From 7058f90fd1ee1ecfd98b93cfc46e699a29be5f2d Mon Sep 17 00:00:00 2001
From: CodingOnStar <hanxujiang@dify.com>
Date: Wed, 11 Feb 2026 15:38:42 +0800
Subject: [PATCH] test: add comprehensive unit tests for RagPipeline components
 including conversion, publish modal, and toast notifications

---
 .../{ => __tests__}/index.spec.tsx            |  52 +-
 .../{ => __tests__}/conversion.spec.tsx       |  35 +-
 .../components/{ => __tests__}/index.spec.tsx | 185 +-----
 ...blish-as-knowledge-pipeline-modal.spec.tsx |  23 +-
 .../{ => __tests__}/publish-toast.spec.tsx    |  32 +-
 .../rag-pipeline-main.spec.tsx                |  18 +-
 .../{ => __tests__}/update-dsl-modal.spec.tsx | 203 +++----
 .../version-mismatch-modal.spec.tsx           |   2 +-
 .../{ => __tests__}/chunk-card.spec.tsx       |  14 +-
 .../{ => __tests__}/index.spec.tsx            | 201 +------
 .../panel/{ => __tests__}/index.spec.tsx      | 218 +------
 .../{ => __tests__}/footer-tip.spec.tsx       |   3 +-
 .../input-field/{ => __tests__}/hooks.spec.ts |  14 +-
 .../{ => __tests__}/index.spec.tsx            | 245 +-------
 .../editor/{ => __tests__}/index.spec.tsx     | 298 +---------
 .../editor/form/{ => __tests__}/hooks.spec.ts |  49 +-
 .../form/{ => __tests__}/index.spec.tsx       | 357 +-----------
 .../form/{ => __tests__}/schema.spec.ts       |  11 +-
 .../field-list/{ => __tests__}/hooks.spec.ts  |  30 +-
 .../field-list/{ => __tests__}/index.spec.tsx | 433 +-------------
 .../{ => __tests__}/index.spec.tsx            |  23 +-
 .../preview/{ => __tests__}/index.spec.tsx    | 317 +----------
 .../test-run/{ => __tests__}/index.spec.tsx   | 118 +---
 .../preparation/{ => __tests__}/hooks.spec.ts |  20 +-
 .../{ => __tests__}/index.spec.tsx            | 532 +-----------------
 .../actions/{ => __tests__}/index.spec.tsx    | 143 +----
 .../{ => __tests__}/index.spec.tsx            | 315 +----------
 .../{ => __tests__}/index.spec.tsx            | 280 +--------
 .../result/{ => __tests__}/index.spec.tsx     | 159 +-----
 .../{ => __tests__}/index.spec.tsx            | 287 +---------
 .../tabs/{ => __tests__}/index.spec.tsx       | 232 +-------
 .../{ => __tests__}/index.spec.tsx            | 131 +----
 .../{ => __tests__}/run-mode.spec.tsx         |  21 +-
 .../publisher/{ => __tests__}/index.spec.tsx  | 278 +--------
 .../publisher/{ => __tests__}/popup.spec.tsx  |  37 +-
 .../hooks/{ => __tests__}/index.spec.ts       |  37 +-
 .../hooks/{ => __tests__}/use-DSL.spec.ts     |  25 +-
 .../use-available-nodes-meta-data.spec.ts     |  12 +-
 .../{ => __tests__}/use-configs-map.spec.ts   |   2 +-
 .../use-get-run-and-trace-url.spec.ts         |   2 +-
 .../use-input-field-panel.spec.ts             |   2 +-
 .../{ => __tests__}/use-input-fields.spec.ts  |   2 +-
 .../use-nodes-sync-draft.spec.ts              |  26 +-
 .../use-pipeline-config.spec.ts               |  20 +-
 .../{ => __tests__}/use-pipeline-init.spec.ts |  24 +-
 .../use-pipeline-refresh-draft.spec.ts        |  20 +-
 .../{ => __tests__}/use-pipeline-run.spec.ts  |  29 +-
 .../use-pipeline-start-run.spec.ts            |  18 +-
 .../use-pipeline-template.spec.ts             |  11 +-
 .../{ => __tests__}/use-pipeline.spec.ts      |  24 +-
 .../use-rag-pipeline-search.spec.tsx          |  12 +-
 .../use-update-dsl-modal.spec.ts              |  26 +-
 .../store/{ => __tests__}/index.spec.ts       |  11 +-
 .../utils/{ => __tests__}/index.spec.ts       |  17 +-
 54 files changed, 311 insertions(+), 5325 deletions(-)
 rename web/app/components/rag-pipeline/{ => __tests__}/index.spec.tsx (87%)
 rename web/app/components/rag-pipeline/components/{ => __tests__}/conversion.spec.tsx (80%)
 rename web/app/components/rag-pipeline/components/{ => __tests__}/index.spec.tsx (82%)
 rename web/app/components/rag-pipeline/components/{ => __tests__}/publish-as-knowledge-pipeline-modal.spec.tsx (92%)
 rename web/app/components/rag-pipeline/components/{ => __tests__}/publish-toast.spec.tsx (69%)
 rename web/app/components/rag-pipeline/components/{ => __tests__}/rag-pipeline-main.spec.tsx (94%)
 rename web/app/components/rag-pipeline/components/{ => __tests__}/update-dsl-modal.spec.tsx (77%)
 rename web/app/components/rag-pipeline/components/{ => __tests__}/version-mismatch-modal.spec.tsx (98%)
 rename web/app/components/rag-pipeline/components/chunk-card-list/{ => __tests__}/chunk-card.spec.tsx (94%)
 rename web/app/components/rag-pipeline/components/chunk-card-list/{ => __tests__}/index.spec.tsx (83%)
 rename web/app/components/rag-pipeline/components/panel/{ => __tests__}/index.spec.tsx (76%)
 rename web/app/components/rag-pipeline/components/panel/input-field/{ => __tests__}/footer-tip.spec.tsx (94%)
 rename web/app/components/rag-pipeline/components/panel/input-field/{ => __tests__}/hooks.spec.ts (87%)
 rename web/app/components/rag-pipeline/components/panel/input-field/{ => __tests__}/index.spec.tsx (78%)
 rename web/app/components/rag-pipeline/components/panel/input-field/editor/{ => __tests__}/index.spec.tsx (82%)
 rename web/app/components/rag-pipeline/components/panel/input-field/editor/form/{ => __tests__}/hooks.spec.ts (88%)
 rename web/app/components/rag-pipeline/components/panel/input-field/editor/form/{ => __tests__}/index.spec.tsx (77%)
 rename web/app/components/rag-pipeline/components/panel/input-field/editor/form/{ => __tests__}/schema.spec.ts (94%)
 rename web/app/components/rag-pipeline/components/panel/input-field/field-list/{ => __tests__}/hooks.spec.ts (91%)
 rename web/app/components/rag-pipeline/components/panel/input-field/field-list/{ => __tests__}/index.spec.tsx (80%)
 rename web/app/components/rag-pipeline/components/panel/input-field/label-right-content/{ => __tests__}/index.spec.tsx (90%)
 rename web/app/components/rag-pipeline/components/panel/input-field/preview/{ => __tests__}/index.spec.tsx (75%)
 rename web/app/components/rag-pipeline/components/panel/test-run/{ => __tests__}/index.spec.tsx (85%)
 rename web/app/components/rag-pipeline/components/panel/test-run/preparation/{ => __tests__}/hooks.spec.ts (92%)
 rename web/app/components/rag-pipeline/components/panel/test-run/preparation/{ => __tests__}/index.spec.tsx (76%)
 rename web/app/components/rag-pipeline/components/panel/test-run/preparation/actions/{ => __tests__}/index.spec.tsx (74%)
 rename web/app/components/rag-pipeline/components/panel/test-run/preparation/data-source-options/{ => __tests__}/index.spec.tsx (80%)
 rename web/app/components/rag-pipeline/components/panel/test-run/preparation/document-processing/{ => __tests__}/index.spec.tsx (85%)
 rename web/app/components/rag-pipeline/components/panel/test-run/result/{ => __tests__}/index.spec.tsx (81%)
 rename web/app/components/rag-pipeline/components/panel/test-run/result/result-preview/{ => __tests__}/index.spec.tsx (79%)
 rename web/app/components/rag-pipeline/components/panel/test-run/result/tabs/{ => __tests__}/index.spec.tsx (81%)
 rename web/app/components/rag-pipeline/components/rag-pipeline-header/{ => __tests__}/index.spec.tsx (84%)
 rename web/app/components/rag-pipeline/components/rag-pipeline-header/{ => __tests__}/run-mode.spec.tsx (90%)
 rename web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/{ => __tests__}/index.spec.tsx (81%)
 rename web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/{ => __tests__}/popup.spec.tsx (87%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/index.spec.ts (92%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-DSL.spec.ts (90%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-available-nodes-meta-data.spec.ts (93%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-configs-map.spec.ts (97%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-get-run-and-trace-url.spec.ts (95%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-input-field-panel.spec.ts (98%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-input-fields.spec.ts (99%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-nodes-sync-draft.spec.ts (93%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-pipeline-config.spec.ts (92%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-pipeline-init.spec.ts (92%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-pipeline-refresh-draft.spec.ts (90%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-pipeline-run.spec.ts (96%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-pipeline-start-run.spec.ts (90%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-pipeline-template.spec.ts (87%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-pipeline.spec.ts (90%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-rag-pipeline-search.spec.tsx (92%)
 rename web/app/components/rag-pipeline/hooks/{ => __tests__}/use-update-dsl-modal.spec.ts (94%)
 rename web/app/components/rag-pipeline/store/{ => __tests__}/index.spec.ts (95%)
 rename web/app/components/rag-pipeline/utils/{ => __tests__}/index.spec.ts (93%)

diff --git a/web/app/components/rag-pipeline/index.spec.tsx b/web/app/components/rag-pipeline/__tests__/index.spec.tsx
similarity index 87%
rename from web/app/components/rag-pipeline/index.spec.tsx
rename to web/app/components/rag-pipeline/__tests__/index.spec.tsx
index ed7ef0c367..221713defe 100644
--- a/web/app/components/rag-pipeline/index.spec.tsx
+++ b/web/app/components/rag-pipeline/__tests__/index.spec.tsx
@@ -3,44 +3,35 @@ import { cleanup, render, screen } from '@testing-library/react'
 import * as React from 'react'
 import { BlockEnum } from '@/app/components/workflow/types'
 
-// Import real utility functions (pure functions, no side effects)
-
-// Import mocked modules for manipulation
 import { useDatasetDetailContextWithSelector } from '@/context/dataset-detail'
-import { usePipelineInit } from './hooks'
-import RagPipelineWrapper from './index'
-import { processNodesWithoutDataSource } from './utils'
+import { usePipelineInit } from '../hooks'
+import RagPipelineWrapper from '../index'
+import { processNodesWithoutDataSource } from '../utils'
 
-// Mock: Context - need to control return values
 vi.mock('@/context/dataset-detail', () => ({
   useDatasetDetailContextWithSelector: vi.fn(),
 }))
 
-// Mock: Hook with API calls
-vi.mock('./hooks', () => ({
+vi.mock('../hooks', () => ({
   usePipelineInit: vi.fn(),
 }))
 
-// Mock: Store creator
-vi.mock('./store', () => ({
+vi.mock('../store', () => ({
   createRagPipelineSliceSlice: vi.fn(() => ({})),
 }))
 
-// Mock: Utility with complex workflow dependencies (generateNewNode, etc.)
-vi.mock('./utils', () => ({
+vi.mock('../utils', () => ({
   processNodesWithoutDataSource: vi.fn((nodes, viewport) => ({
     nodes,
     viewport,
   })),
 }))
 
-// Mock: Complex component with useParams, Toast, API calls
-vi.mock('./components/conversion', () => ({
+vi.mock('../components/conversion', () => ({
   default: () => <div data-testid="conversion-component">Conversion Component</div>,
 }))
 
-// Mock: Complex component with many hooks and workflow dependencies
-vi.mock('./components/rag-pipeline-main', () => ({
+vi.mock('../components/rag-pipeline-main', () => ({
   default: ({ nodes, edges, viewport }: { nodes?: unknown[], edges?: unknown[], viewport?: { zoom?: number } }) => (
     <div data-testid="rag-pipeline-main">
       <span data-testid="nodes-count">{nodes?.length ?? 0}</span>
@@ -50,27 +41,22 @@ vi.mock('./components/rag-pipeline-main', () => ({
   ),
 }))
 
-// Mock: Complex component with ReactFlow and many providers
 vi.mock('@/app/components/workflow', () => ({
   default: ({ children }: { children: React.ReactNode }) => (
     <div data-testid="workflow-default-context">{children}</div>
   ),
 }))
 
-// Mock: Context provider
 vi.mock('@/app/components/workflow/context', () => ({
   WorkflowContextProvider: ({ children }: { children: React.ReactNode }) => (
     <div data-testid="workflow-context-provider">{children}</div>
   ),
 }))
 
-// Type assertions for mocked functions
 const mockUseDatasetDetailContextWithSelector = vi.mocked(useDatasetDetailContextWithSelector)
 const mockUsePipelineInit = vi.mocked(usePipelineInit)
 const mockProcessNodesWithoutDataSource = vi.mocked(processNodesWithoutDataSource)
 
-// Helper to mock selector with actual execution (increases function coverage)
-// This executes the real selector function: s => s.dataset?.pipeline_id
 const mockSelectorWithDataset = (pipelineId: string | null | undefined) => {
   mockUseDatasetDetailContextWithSelector.mockImplementation((selector: (state: Record<string, unknown>) => unknown) => {
     const mockState = { dataset: pipelineId ? { pipeline_id: pipelineId } : null }
@@ -78,7 +64,6 @@ const mockSelectorWithDataset = (pipelineId: string | null | undefined) => {
   })
 }
 
-// Test data factory
 const createMockWorkflowData = (overrides?: Partial<FetchWorkflowDraftResponse>): FetchWorkflowDraftResponse => ({
   graph: {
     nodes: [
@@ -157,7 +142,6 @@ describe('RagPipelineWrapper', () => {
 
 describe('RagPipeline', () => {
   beforeEach(() => {
-    // Default setup for RagPipeline tests - execute real selector function
     mockSelectorWithDataset('pipeline-123')
   })
 
@@ -167,7 +151,6 @@ describe('RagPipeline', () => {
 
       render(<RagPipelineWrapper />)
 
-      // Real Loading component has role="status"
       expect(screen.getByRole('status')).toBeInTheDocument()
     })
 
@@ -240,8 +223,6 @@ describe('RagPipeline', () => {
 
       render(<RagPipelineWrapper />)
 
-      // initialNodes is a real function - verify nodes are rendered
-      // The real initialNodes processes nodes and adds position data
       expect(screen.getByTestId('rag-pipeline-main')).toBeInTheDocument()
     })
 
@@ -251,7 +232,6 @@ describe('RagPipeline', () => {
 
       render(<RagPipelineWrapper />)
 
-      // initialEdges is a real function - verify component renders with edges
       expect(screen.getByTestId('edges-count').textContent).toBe('1')
     })
 
@@ -269,7 +249,6 @@ describe('RagPipeline', () => {
 
       render(<RagPipelineWrapper />)
 
-      // When data is undefined, Loading is shown, processNodesWithoutDataSource is not called
       expect(mockProcessNodesWithoutDataSource).not.toHaveBeenCalled()
     })
 
@@ -279,13 +258,10 @@ describe('RagPipeline', () => {
 
       const { rerender } = render(<RagPipelineWrapper />)
 
-      // Clear mock call count after initial render
       mockProcessNodesWithoutDataSource.mockClear()
 
-      // Rerender with same data reference (no change to mockUsePipelineInit)
       rerender(<RagPipelineWrapper />)
 
-      // processNodesWithoutDataSource should not be called again due to useMemo
       // Note: React strict mode may cause double render, so we check it's not excessive
       expect(mockProcessNodesWithoutDataSource.mock.calls.length).toBeLessThanOrEqual(1)
     })
@@ -467,14 +443,11 @@ describe('Conditional Rendering Flow', () => {
   it('should transition from loading to loaded state', () => {
     mockSelectorWithDataset('pipeline-123')
 
-    // Start with loading state
     mockUsePipelineInit.mockReturnValue({ data: undefined, isLoading: true })
     const { rerender } = render(<RagPipelineWrapper />)
 
-    // Real Loading component has role="status"
     expect(screen.getByRole('status')).toBeInTheDocument()
 
-    // Transition to loaded state
     const mockData = createMockWorkflowData()
     mockUsePipelineInit.mockReturnValue({ data: mockData, isLoading: false })
     rerender(<RagPipelineWrapper />)
@@ -483,7 +456,6 @@ describe('Conditional Rendering Flow', () => {
   })
 
   it('should switch from Conversion to Pipeline when pipelineId becomes available', () => {
-    // Start without pipelineId
     mockSelectorWithDataset(null)
     mockUsePipelineInit.mockReturnValue({ data: undefined, isLoading: false })
 
@@ -491,13 +463,11 @@ describe('Conditional Rendering Flow', () => {
 
     expect(screen.getByTestId('conversion-component')).toBeInTheDocument()
 
-    // PipelineId becomes available
     mockSelectorWithDataset('new-pipeline-id')
     mockUsePipelineInit.mockReturnValue({ data: undefined, isLoading: true })
     rerender(<RagPipelineWrapper />)
 
     expect(screen.queryByTestId('conversion-component')).not.toBeInTheDocument()
-    // Real Loading component has role="status"
     expect(screen.getByRole('status')).toBeInTheDocument()
   })
 })
@@ -520,11 +490,8 @@ describe('Error Handling', () => {
 
     mockUsePipelineInit.mockReturnValue({ data: mockData, isLoading: false })
 
-    // Suppress console.error for expected error
     const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
 
-    // Real initialNodes will throw when nodes is null
-    // This documents the component's current behavior - it requires valid nodes array
     expect(() => render(<RagPipelineWrapper />)).toThrow()
 
     consoleSpy.mockRestore()
@@ -538,11 +505,8 @@ describe('Error Handling', () => {
 
     mockUsePipelineInit.mockReturnValue({ data: mockData, isLoading: false })
 
-    // Suppress console.error for expected error
     const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
 
-    // When graph is undefined, component throws because data.graph.nodes is accessed
-    // This documents the component's current behavior - it requires graph to be present
     expect(() => render(<RagPipelineWrapper />)).toThrow()
 
     consoleSpy.mockRestore()
diff --git a/web/app/components/rag-pipeline/components/conversion.spec.tsx b/web/app/components/rag-pipeline/components/__tests__/conversion.spec.tsx
similarity index 80%
rename from web/app/components/rag-pipeline/components/conversion.spec.tsx
rename to web/app/components/rag-pipeline/components/__tests__/conversion.spec.tsx
index 8dac542428..2bd20fb5c3 100644
--- a/web/app/components/rag-pipeline/components/conversion.spec.tsx
+++ b/web/app/components/rag-pipeline/components/__tests__/conversion.spec.tsx
@@ -1,17 +1,10 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
-import Conversion from './conversion'
+import Conversion from '../conversion'
 
 const mockConvert = vi.fn()
 const mockInvalidDatasetDetail = vi.fn()
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
-
 vi.mock('next/navigation', () => ({
   useParams: () => ({ datasetId: 'ds-123' }),
 }))
@@ -66,7 +59,7 @@ vi.mock('@/app/components/base/confirm', () => ({
       : null,
 }))
 
-vi.mock('./screenshot', () => ({
+vi.mock('../screenshot', () => ({
   default: () => <div data-testid="screenshot" />,
 }))
 
@@ -82,21 +75,21 @@ describe('Conversion', () => {
   it('should render conversion title and description', () => {
     render(<Conversion />)
 
-    expect(screen.getByText('conversion.title')).toBeInTheDocument()
-    expect(screen.getByText('conversion.descriptionChunk1')).toBeInTheDocument()
-    expect(screen.getByText('conversion.descriptionChunk2')).toBeInTheDocument()
+    expect(screen.getByText('datasetPipeline.conversion.title')).toBeInTheDocument()
+    expect(screen.getByText('datasetPipeline.conversion.descriptionChunk1')).toBeInTheDocument()
+    expect(screen.getByText('datasetPipeline.conversion.descriptionChunk2')).toBeInTheDocument()
   })
 
   it('should render convert button', () => {
     render(<Conversion />)
 
-    expect(screen.getByText('operations.convert')).toBeInTheDocument()
+    expect(screen.getByText('datasetPipeline.operations.convert')).toBeInTheDocument()
   })
 
   it('should render warning text', () => {
     render(<Conversion />)
 
-    expect(screen.getByText('conversion.warning')).toBeInTheDocument()
+    expect(screen.getByText('datasetPipeline.conversion.warning')).toBeInTheDocument()
   })
 
   it('should render screenshot component', () => {
@@ -110,16 +103,16 @@ describe('Conversion', () => {
 
     expect(screen.queryByTestId('confirm-modal')).not.toBeInTheDocument()
 
-    fireEvent.click(screen.getByText('operations.convert'))
+    fireEvent.click(screen.getByText('datasetPipeline.operations.convert'))
 
     expect(screen.getByTestId('confirm-modal')).toBeInTheDocument()
-    expect(screen.getByText('conversion.confirm.title')).toBeInTheDocument()
+    expect(screen.getByText('datasetPipeline.conversion.confirm.title')).toBeInTheDocument()
   })
 
   it('should hide confirm modal when cancel is clicked', () => {
     render(<Conversion />)
 
-    fireEvent.click(screen.getByText('operations.convert'))
+    fireEvent.click(screen.getByText('datasetPipeline.operations.convert'))
     expect(screen.getByTestId('confirm-modal')).toBeInTheDocument()
 
     fireEvent.click(screen.getByTestId('cancel-btn'))
@@ -129,7 +122,7 @@ describe('Conversion', () => {
   it('should call convert when confirm is clicked', () => {
     render(<Conversion />)
 
-    fireEvent.click(screen.getByText('operations.convert'))
+    fireEvent.click(screen.getByText('datasetPipeline.operations.convert'))
     fireEvent.click(screen.getByTestId('confirm-btn'))
 
     expect(mockConvert).toHaveBeenCalledWith('ds-123', expect.objectContaining({
@@ -146,7 +139,7 @@ describe('Conversion', () => {
 
     render(<Conversion />)
 
-    fireEvent.click(screen.getByText('operations.convert'))
+    fireEvent.click(screen.getByText('datasetPipeline.operations.convert'))
     fireEvent.click(screen.getByTestId('confirm-btn'))
 
     expect(Toast.default.notify).toHaveBeenCalledWith(expect.objectContaining({
@@ -163,7 +156,7 @@ describe('Conversion', () => {
 
     render(<Conversion />)
 
-    fireEvent.click(screen.getByText('operations.convert'))
+    fireEvent.click(screen.getByText('datasetPipeline.operations.convert'))
     fireEvent.click(screen.getByTestId('confirm-btn'))
 
     expect(Toast.default.notify).toHaveBeenCalledWith(expect.objectContaining({
@@ -179,7 +172,7 @@ describe('Conversion', () => {
 
     render(<Conversion />)
 
-    fireEvent.click(screen.getByText('operations.convert'))
+    fireEvent.click(screen.getByText('datasetPipeline.operations.convert'))
     fireEvent.click(screen.getByTestId('confirm-btn'))
 
     expect(Toast.default.notify).toHaveBeenCalledWith(expect.objectContaining({
diff --git a/web/app/components/rag-pipeline/components/index.spec.tsx b/web/app/components/rag-pipeline/components/__tests__/index.spec.tsx
similarity index 82%
rename from web/app/components/rag-pipeline/components/index.spec.tsx
rename to web/app/components/rag-pipeline/components/__tests__/index.spec.tsx
index e17f07303d..5c3781e8c1 100644
--- a/web/app/components/rag-pipeline/components/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/__tests__/index.spec.tsx
@@ -3,29 +3,19 @@ import type { EnvironmentVariable } from '@/app/components/workflow/types'
 import { fireEvent, render, screen, waitFor } from '@testing-library/react'
 import { createMockProviderContextValue } from '@/__mocks__/provider-context'
 
-// ============================================================================
-// Import Components After Mocks Setup
-// ============================================================================
+import Conversion from '../conversion'
+import RagPipelinePanel from '../panel'
+import PublishAsKnowledgePipelineModal from '../publish-as-knowledge-pipeline-modal'
+import PublishToast from '../publish-toast'
+import RagPipelineChildren from '../rag-pipeline-children'
+import PipelineScreenShot from '../screenshot'
 
-import Conversion from './conversion'
-import RagPipelinePanel from './panel'
-import PublishAsKnowledgePipelineModal from './publish-as-knowledge-pipeline-modal'
-import PublishToast from './publish-toast'
-import RagPipelineChildren from './rag-pipeline-children'
-import PipelineScreenShot from './screenshot'
-
-// ============================================================================
-// Mock External Dependencies - All vi.mock calls must come before any imports
-// ============================================================================
-
-// Mock next/navigation
 const mockPush = vi.fn()
 vi.mock('next/navigation', () => ({
   useParams: () => ({ datasetId: 'test-dataset-id' }),
   useRouter: () => ({ push: mockPush }),
 }))
 
-// Mock next/image
 vi.mock('next/image', () => ({
   default: ({ src, alt, width, height }: { src: string, alt: string, width: number, height: number }) => (
     // eslint-disable-next-line next/no-img-element
@@ -33,7 +23,6 @@ vi.mock('next/image', () => ({
   ),
 }))
 
-// Mock next/dynamic
 vi.mock('next/dynamic', () => ({
   default: (importFn: () => Promise<{ default: React.ComponentType<unknown> }>, options?: { ssr?: boolean }) => {
     const DynamicComponent = ({ children, ...props }: PropsWithChildren) => {
@@ -44,7 +33,6 @@ vi.mock('next/dynamic', () => ({
   },
 }))
 
-// Mock workflow store - using controllable state
 let mockShowImportDSLModal = false
 const mockSetShowImportDSLModal = vi.fn((value: boolean) => {
   mockShowImportDSLModal = value
@@ -112,7 +100,6 @@ vi.mock('@/app/components/workflow/store', () => {
   }
 })
 
-// Mock workflow hooks - extract mock functions for assertions using vi.hoisted
 const {
   mockHandlePaneContextmenuCancel,
   mockExportCheck,
@@ -148,8 +135,7 @@ vi.mock('@/app/components/workflow/hooks', () => {
   }
 })
 
-// Mock rag-pipeline hooks
-vi.mock('../hooks', () => ({
+vi.mock('../../hooks', () => ({
   useAvailableNodesMetaData: () => ({}),
   useDSL: () => ({
     exportCheck: mockExportCheck,
@@ -178,18 +164,15 @@ vi.mock('../hooks', () => ({
   }),
 }))
 
-// Mock rag-pipeline search hook
-vi.mock('../hooks/use-rag-pipeline-search', () => ({
+vi.mock('../../hooks/use-rag-pipeline-search', () => ({
   useRagPipelineSearch: vi.fn(),
 }))
 
-// Mock configs-map hook
-vi.mock('../hooks/use-configs-map', () => ({
+vi.mock('../../hooks/use-configs-map', () => ({
   useConfigsMap: () => ({}),
 }))
 
-// Mock inspect-vars-crud hook
-vi.mock('../hooks/use-inspect-vars-crud', () => ({
+vi.mock('../../hooks/use-inspect-vars-crud', () => ({
   useInspectVarsCrud: () => ({
     hasNodeInspectVars: vi.fn(),
     hasSetInspectVar: vi.fn(),
@@ -208,14 +191,12 @@ vi.mock('../hooks/use-inspect-vars-crud', () => ({
   }),
 }))
 
-// Mock workflow hooks for fetch-workflow-inspect-vars
 vi.mock('@/app/components/workflow/hooks/use-fetch-workflow-inspect-vars', () => ({
   useSetWorkflowVarsWithValue: () => ({
     fetchInspectVars: vi.fn(),
   }),
 }))
 
-// Mock service hooks - with controllable convert function
 let mockConvertFn = vi.fn()
 let mockIsPending = false
 vi.mock('@/service/use-pipeline', () => ({
@@ -253,7 +234,6 @@ vi.mock('@/service/workflow', () => ({
   }),
 }))
 
-// Mock event emitter context - with controllable subscription
 let mockEventSubscriptionCallback: ((v: { type: string, payload?: { data?: EnvironmentVariable[] } }) => void) | null = null
 const mockUseSubscription = vi.fn((callback: (v: { type: string, payload?: { data?: EnvironmentVariable[] } }) => void) => {
   mockEventSubscriptionCallback = callback
@@ -267,7 +247,6 @@ vi.mock('@/context/event-emitter', () => ({
   }),
 }))
 
-// Mock toast
 vi.mock('@/app/components/base/toast', () => ({
   default: {
     notify: vi.fn(),
@@ -280,33 +259,28 @@ vi.mock('@/app/components/base/toast', () => ({
   },
 }))
 
-// Mock useTheme hook
 vi.mock('@/hooks/use-theme', () => ({
   default: () => ({
     theme: 'light',
   }),
 }))
 
-// Mock basePath
 vi.mock('@/utils/var', () => ({
   basePath: '/public',
 }))
 
-// Mock provider context
 vi.mock('@/context/provider-context', () => ({
   useProviderContext: () => createMockProviderContextValue(),
   useProviderContextSelector: <T,>(selector: (state: ReturnType<typeof createMockProviderContextValue>) => T): T =>
     selector(createMockProviderContextValue()),
 }))
 
-// Mock WorkflowWithInnerContext
 vi.mock('@/app/components/workflow', () => ({
   WorkflowWithInnerContext: ({ children }: PropsWithChildren) => (
     <div data-testid="workflow-inner-context">{children}</div>
   ),
 }))
 
-// Mock workflow panel
 vi.mock('@/app/components/workflow/panel', () => ({
   default: ({ components }: { components?: { left?: React.ReactNode, right?: React.ReactNode } }) => (
     <div data-testid="workflow-panel">
@@ -316,19 +290,16 @@ vi.mock('@/app/components/workflow/panel', () => ({
   ),
 }))
 
-// Mock PluginDependency
-vi.mock('../../workflow/plugin-dependency', () => ({
+vi.mock('../../../workflow/plugin-dependency', () => ({
   default: () => <div data-testid="plugin-dependency" />,
 }))
 
-// Mock plugin-dependency hooks
 vi.mock('@/app/components/workflow/plugin-dependency/hooks', () => ({
   usePluginDependencies: () => ({
     handleCheckPluginDependencies: vi.fn().mockResolvedValue(undefined),
   }),
 }))
 
-// Mock DSLExportConfirmModal
 vi.mock('@/app/components/workflow/dsl-export-confirm-modal', () => ({
   default: ({ envList, onConfirm, onClose }: { envList: EnvironmentVariable[], onConfirm: () => void, onClose: () => void }) => (
     <div data-testid="dsl-export-confirm-modal">
@@ -339,13 +310,11 @@ vi.mock('@/app/components/workflow/dsl-export-confirm-modal', () => ({
   ),
 }))
 
-// Mock workflow constants
 vi.mock('@/app/components/workflow/constants', () => ({
   DSL_EXPORT_CHECK: 'DSL_EXPORT_CHECK',
   WORKFLOW_DATA_UPDATE: 'WORKFLOW_DATA_UPDATE',
 }))
 
-// Mock workflow utils
 vi.mock('@/app/components/workflow/utils', () => ({
   initialNodes: vi.fn(nodes => nodes),
   initialEdges: vi.fn(edges => edges),
@@ -353,7 +322,6 @@ vi.mock('@/app/components/workflow/utils', () => ({
   getKeyboardKeyNameBySystem: (key: string) => key,
 }))
 
-// Mock Confirm component
 vi.mock('@/app/components/base/confirm', () => ({
   default: ({ title, content, isShow, onConfirm, onCancel, isLoading, isDisabled }: {
     title: string
@@ -381,7 +349,6 @@ vi.mock('@/app/components/base/confirm', () => ({
     : null,
 }))
 
-// Mock Modal component
 vi.mock('@/app/components/base/modal', () => ({
   default: ({ children, isShow, onClose, className }: PropsWithChildren<{
     isShow: boolean
@@ -396,7 +363,6 @@ vi.mock('@/app/components/base/modal', () => ({
     : null,
 }))
 
-// Mock Input component
 vi.mock('@/app/components/base/input', () => ({
   default: ({ value, onChange, placeholder }: {
     value: string
@@ -412,7 +378,6 @@ vi.mock('@/app/components/base/input', () => ({
   ),
 }))
 
-// Mock Textarea component
 vi.mock('@/app/components/base/textarea', () => ({
   default: ({ value, onChange, placeholder, className }: {
     value: string
@@ -430,7 +395,6 @@ vi.mock('@/app/components/base/textarea', () => ({
   ),
 }))
 
-// Mock AppIcon component
 vi.mock('@/app/components/base/app-icon', () => ({
   default: ({ onClick, iconType, icon, background, imageUrl, className, size }: {
     onClick?: () => void
@@ -454,7 +418,6 @@ vi.mock('@/app/components/base/app-icon', () => ({
   ),
 }))
 
-// Mock AppIconPicker component
 vi.mock('@/app/components/base/app-icon-picker', () => ({
   default: ({ onSelect, onClose }: {
     onSelect: (item: { type: string, icon?: string, background?: string, url?: string }) => void
@@ -478,7 +441,6 @@ vi.mock('@/app/components/base/app-icon-picker', () => ({
   ),
 }))
 
-// Mock Uploader component
 vi.mock('@/app/components/app/create-from-dsl-modal/uploader', () => ({
   default: ({ file, updateFile, className, accept, displayName }: {
     file?: File
@@ -504,25 +466,21 @@ vi.mock('@/app/components/app/create-from-dsl-modal/uploader', () => ({
   ),
 }))
 
-// Mock use-context-selector
 vi.mock('use-context-selector', () => ({
   useContext: vi.fn(() => ({
     notify: vi.fn(),
   })),
 }))
 
-// Mock RagPipelineHeader
-vi.mock('./rag-pipeline-header', () => ({
+vi.mock('../rag-pipeline-header', () => ({
   default: () => <div data-testid="rag-pipeline-header" />,
 }))
 
-// Mock PublishToast
-vi.mock('./publish-toast', () => ({
+vi.mock('../publish-toast', () => ({
   default: () => <div data-testid="publish-toast" />,
 }))
 
-// Mock UpdateDSLModal for RagPipelineChildren tests
-vi.mock('./update-dsl-modal', () => ({
+vi.mock('../update-dsl-modal', () => ({
   default: ({ onCancel, onBackup, onImport }: {
     onCancel: () => void
     onBackup: () => void
@@ -536,7 +494,6 @@ vi.mock('./update-dsl-modal', () => ({
   ),
 }))
 
-// Mock DSLExportConfirmModal for RagPipelineChildren tests
 vi.mock('@/app/components/workflow/dsl-export-confirm-modal', () => ({
   default: ({ envList, onConfirm, onClose }: {
     envList: EnvironmentVariable[]
@@ -555,18 +512,11 @@ vi.mock('@/app/components/workflow/dsl-export-confirm-modal', () => ({
   ),
 }))
 
-// ============================================================================
-// Test Suites
-// ============================================================================
-
 describe('Conversion', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render conversion component without crashing', () => {
       render(<Conversion />)
@@ -600,9 +550,6 @@ describe('Conversion', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // User Interactions Tests
-  // --------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should show confirm modal when convert button is clicked', () => {
       render(<Conversion />)
@@ -617,20 +564,15 @@ describe('Conversion', () => {
     it('should hide confirm modal when cancel is clicked', () => {
       render(<Conversion />)
 
-      // Open modal
       const convertButton = screen.getByRole('button', { name: /datasetPipeline\.operations\.convert/i })
       fireEvent.click(convertButton)
       expect(screen.getByTestId('confirm-modal')).toBeInTheDocument()
 
-      // Cancel modal
       fireEvent.click(screen.getByTestId('cancel-btn'))
       expect(screen.queryByTestId('confirm-modal')).not.toBeInTheDocument()
     })
   })
 
-  // --------------------------------------------------------------------------
-  // API Callback Tests - covers lines 21-39
-  // --------------------------------------------------------------------------
   describe('API Callbacks', () => {
     beforeEach(() => {
       mockConvertFn = vi.fn()
@@ -638,14 +580,12 @@ describe('Conversion', () => {
     })
 
     it('should call convert with datasetId and show success toast on success', async () => {
-      // Setup mock to capture and call onSuccess callback
       mockConvertFn.mockImplementation((_datasetId: string, options: { onSuccess: (res: { status: string }) => void }) => {
         options.onSuccess({ status: 'success' })
       })
 
       render(<Conversion />)
 
-      // Open modal and confirm
       const convertButton = screen.getByRole('button', { name: /datasetPipeline\.operations\.convert/i })
       fireEvent.click(convertButton)
       fireEvent.click(screen.getByTestId('confirm-btn'))
@@ -690,7 +630,6 @@ describe('Conversion', () => {
       await waitFor(() => {
         expect(mockConvertFn).toHaveBeenCalled()
       })
-      // Modal should still be visible since conversion failed
       expect(screen.getByTestId('confirm-modal')).toBeInTheDocument()
     })
 
@@ -711,32 +650,23 @@ describe('Conversion', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Memoization Tests
-  // --------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped with React.memo', () => {
-      // Conversion is exported with React.memo
       expect((Conversion as unknown as { $$typeof: symbol }).$$typeof).toBe(Symbol.for('react.memo'))
     })
 
     it('should use useCallback for handleConvert', () => {
       const { rerender } = render(<Conversion />)
 
-      // Rerender should not cause issues with callback
       rerender(<Conversion />)
       expect(screen.getByRole('button', { name: /datasetPipeline\.operations\.convert/i })).toBeInTheDocument()
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Edge Cases Tests
-  // --------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle missing datasetId gracefully', () => {
       render(<Conversion />)
 
-      // Component should render without crashing
       expect(screen.getByText('datasetPipeline.conversion.title')).toBeInTheDocument()
     })
   })
@@ -747,9 +677,6 @@ describe('PipelineScreenShot', () => {
     vi.clearAllMocks()
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', () => {
       render(<PipelineScreenShot />)
@@ -770,14 +697,10 @@ describe('PipelineScreenShot', () => {
       render(<PipelineScreenShot />)
 
       const img = screen.getByTestId('mock-image')
-      // Default theme is 'light' from mock
       expect(img).toHaveAttribute('src', '/public/screenshots/light/Pipeline.png')
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Memoization Tests
-  // --------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped with React.memo', () => {
       expect((PipelineScreenShot as unknown as { $$typeof: symbol }).$$typeof).toBe(Symbol.for('react.memo'))
@@ -790,9 +713,6 @@ describe('PublishToast', () => {
     vi.clearAllMocks()
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', () => {
       // Note: PublishToast is mocked, so we just verify the mock renders
@@ -802,12 +722,8 @@ describe('PublishToast', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Memoization Tests
-  // --------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be defined', () => {
-      // The real PublishToast is mocked, but we can verify the import
       expect(PublishToast).toBeDefined()
     })
   })
@@ -826,9 +742,6 @@ describe('PublishAsKnowledgePipelineModal', () => {
     onConfirm: mockOnConfirm,
   }
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render modal with title', () => {
       render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
@@ -863,9 +776,6 @@ describe('PublishAsKnowledgePipelineModal', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // User Interactions Tests
-  // --------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should update name when input changes', () => {
       render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
@@ -906,11 +816,9 @@ describe('PublishAsKnowledgePipelineModal', () => {
 
       render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
-      // Update values
       fireEvent.change(screen.getByTestId('input'), { target: { value: '  Trimmed Name  ' } })
       fireEvent.change(screen.getByTestId('textarea'), { target: { value: '  Trimmed Description  ' } })
 
-      // Click publish
       fireEvent.click(screen.getByRole('button', { name: /workflow\.common\.publish/i }))
 
       expect(mockOnConfirm).toHaveBeenCalledWith(
@@ -931,52 +839,39 @@ describe('PublishAsKnowledgePipelineModal', () => {
     it('should update icon when emoji is selected', () => {
       render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
-      // Open picker
       fireEvent.click(screen.getByTestId('app-icon'))
 
-      // Select emoji
       fireEvent.click(screen.getByTestId('select-emoji'))
 
-      // Picker should close
       expect(screen.queryByTestId('app-icon-picker')).not.toBeInTheDocument()
     })
 
     it('should update icon when image is selected', () => {
       render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
-      // Open picker
       fireEvent.click(screen.getByTestId('app-icon'))
 
-      // Select image
       fireEvent.click(screen.getByTestId('select-image'))
 
-      // Picker should close
       expect(screen.queryByTestId('app-icon-picker')).not.toBeInTheDocument()
     })
 
     it('should close picker and restore icon when picker is closed', () => {
       render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
-      // Open picker
       fireEvent.click(screen.getByTestId('app-icon'))
       expect(screen.getByTestId('app-icon-picker')).toBeInTheDocument()
 
-      // Close picker
       fireEvent.click(screen.getByTestId('close-picker'))
 
-      // Picker should close
       expect(screen.queryByTestId('app-icon-picker')).not.toBeInTheDocument()
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Props Validation Tests
-  // --------------------------------------------------------------------------
   describe('Props Validation', () => {
     it('should disable publish button when name is empty', () => {
       render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
-      // Clear the name
       fireEvent.change(screen.getByTestId('input'), { target: { value: '' } })
 
       const publishButton = screen.getByRole('button', { name: /workflow\.common\.publish/i })
@@ -986,7 +881,6 @@ describe('PublishAsKnowledgePipelineModal', () => {
     it('should disable publish button when name is only whitespace', () => {
       render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
-      // Set whitespace-only name
       fireEvent.change(screen.getByTestId('input'), { target: { value: '   ' } })
 
       const publishButton = screen.getByRole('button', { name: /workflow\.common\.publish/i })
@@ -1009,14 +903,10 @@ describe('PublishAsKnowledgePipelineModal', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Memoization Tests
-  // --------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should use useCallback for handleSelectIcon', () => {
       const { rerender } = render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
-      // Rerender should not cause issues
       rerender(<PublishAsKnowledgePipelineModal {...defaultProps} />)
       expect(screen.getByTestId('app-icon')).toBeInTheDocument()
     })
@@ -1028,9 +918,6 @@ describe('RagPipelinePanel', () => {
     vi.clearAllMocks()
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render panel component without crashing', () => {
       render(<RagPipelinePanel />)
@@ -1046,9 +933,6 @@ describe('RagPipelinePanel', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Memoization Tests
-  // --------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped with memo', () => {
       expect((RagPipelinePanel as unknown as { $$typeof: symbol }).$$typeof).toBe(Symbol.for('react.memo'))
@@ -1063,9 +947,6 @@ describe('RagPipelineChildren', () => {
     mockEventSubscriptionCallback = null
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', () => {
       render(<RagPipelineChildren />)
@@ -1090,9 +971,6 @@ describe('RagPipelineChildren', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Event Subscription Tests - covers lines 37-40
-  // --------------------------------------------------------------------------
   describe('Event Subscription', () => {
     it('should subscribe to event emitter', () => {
       render(<RagPipelineChildren />)
@@ -1103,12 +981,10 @@ describe('RagPipelineChildren', () => {
     it('should handle DSL_EXPORT_CHECK event and set secretEnvList', async () => {
       render(<RagPipelineChildren />)
 
-      // Simulate DSL_EXPORT_CHECK event
       const mockEnvVariables: EnvironmentVariable[] = [
         { id: '1', name: 'SECRET_KEY', value: 'test-secret', value_type: 'secret' as const, description: '' },
       ]
 
-      // Trigger the subscription callback
       if (mockEventSubscriptionCallback) {
         mockEventSubscriptionCallback({
           type: 'DSL_EXPORT_CHECK',
@@ -1116,7 +992,6 @@ describe('RagPipelineChildren', () => {
         })
       }
 
-      // DSLExportConfirmModal should be rendered
       await waitFor(() => {
         expect(screen.getByTestId('dsl-export-confirm-modal')).toBeInTheDocument()
       })
@@ -1125,7 +1000,6 @@ describe('RagPipelineChildren', () => {
     it('should not show DSLExportConfirmModal for non-DSL_EXPORT_CHECK events', () => {
       render(<RagPipelineChildren />)
 
-      // Trigger a different event type
       if (mockEventSubscriptionCallback) {
         mockEventSubscriptionCallback({
           type: 'OTHER_EVENT',
@@ -1136,9 +1010,6 @@ describe('RagPipelineChildren', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // UpdateDSLModal Handlers Tests - covers lines 48-51
-  // --------------------------------------------------------------------------
   describe('UpdateDSLModal Handlers', () => {
     beforeEach(() => {
       mockShowImportDSLModal = true
@@ -1168,14 +1039,10 @@ describe('RagPipelineChildren', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // DSLExportConfirmModal Tests - covers lines 55-60
-  // --------------------------------------------------------------------------
   describe('DSLExportConfirmModal', () => {
     it('should render DSLExportConfirmModal when secretEnvList has items', async () => {
       render(<RagPipelineChildren />)
 
-      // Simulate DSL_EXPORT_CHECK event with secrets
       const mockEnvVariables: EnvironmentVariable[] = [
         { id: '1', name: 'API_KEY', value: 'secret-value', value_type: 'secret' as const, description: '' },
       ]
@@ -1195,7 +1062,6 @@ describe('RagPipelineChildren', () => {
     it('should close DSLExportConfirmModal when onClose is triggered', async () => {
       render(<RagPipelineChildren />)
 
-      // First show the modal
       const mockEnvVariables: EnvironmentVariable[] = [
         { id: '1', name: 'API_KEY', value: 'secret-value', value_type: 'secret' as const, description: '' },
       ]
@@ -1211,7 +1077,6 @@ describe('RagPipelineChildren', () => {
         expect(screen.getByTestId('dsl-export-confirm-modal')).toBeInTheDocument()
       })
 
-      // Close the modal
       fireEvent.click(screen.getByTestId('dsl-export-close'))
 
       await waitFor(() => {
@@ -1222,7 +1087,6 @@ describe('RagPipelineChildren', () => {
     it('should call handleExportDSL when onConfirm is triggered', async () => {
       render(<RagPipelineChildren />)
 
-      // Show the modal
       const mockEnvVariables: EnvironmentVariable[] = [
         { id: '1', name: 'API_KEY', value: 'secret-value', value_type: 'secret' as const, description: '' },
       ]
@@ -1238,16 +1102,12 @@ describe('RagPipelineChildren', () => {
         expect(screen.getByTestId('dsl-export-confirm-modal')).toBeInTheDocument()
       })
 
-      // Confirm export
       fireEvent.click(screen.getByTestId('dsl-export-confirm'))
 
       expect(mockHandleExportDSL).toHaveBeenCalledTimes(1)
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Memoization Tests
-  // --------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped with memo', () => {
       expect((RagPipelineChildren as unknown as { $$typeof: symbol }).$$typeof).toBe(Symbol.for('react.memo'))
@@ -1255,10 +1115,6 @@ describe('RagPipelineChildren', () => {
   })
 })
 
-// ============================================================================
-// Integration Tests
-// ============================================================================
-
 describe('Integration Tests', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1276,17 +1132,13 @@ describe('Integration Tests', () => {
         />,
       )
 
-      // Update name
       fireEvent.change(screen.getByTestId('input'), { target: { value: 'My Pipeline' } })
 
-      // Add description
       fireEvent.change(screen.getByTestId('textarea'), { target: { value: 'A great pipeline' } })
 
-      // Change icon
       fireEvent.click(screen.getByTestId('app-icon'))
       fireEvent.click(screen.getByTestId('select-emoji'))
 
-      // Publish
       fireEvent.click(screen.getByRole('button', { name: /workflow\.common\.publish/i }))
 
       await waitFor(() => {
@@ -1304,10 +1156,6 @@ describe('Integration Tests', () => {
   })
 })
 
-// ============================================================================
-// Edge Cases
-// ============================================================================
-
 describe('Edge Cases', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1322,7 +1170,6 @@ describe('Edge Cases', () => {
         />,
       )
 
-      // Clear the name
       const input = screen.getByTestId('input')
       fireEvent.change(input, { target: { value: '' } })
       expect(input).toHaveValue('')
@@ -1360,10 +1207,6 @@ describe('Edge Cases', () => {
   })
 })
 
-// ============================================================================
-// Accessibility Tests
-// ============================================================================
-
 describe('Accessibility', () => {
   describe('Conversion', () => {
     it('should have accessible button', () => {
diff --git a/web/app/components/rag-pipeline/components/publish-as-knowledge-pipeline-modal.spec.tsx b/web/app/components/rag-pipeline/components/__tests__/publish-as-knowledge-pipeline-modal.spec.tsx
similarity index 92%
rename from web/app/components/rag-pipeline/components/publish-as-knowledge-pipeline-modal.spec.tsx
rename to web/app/components/rag-pipeline/components/__tests__/publish-as-knowledge-pipeline-modal.spec.tsx
index 51b0e1d1b2..0d6687cbed 100644
--- a/web/app/components/rag-pipeline/components/publish-as-knowledge-pipeline-modal.spec.tsx
+++ b/web/app/components/rag-pipeline/components/__tests__/publish-as-knowledge-pipeline-modal.spec.tsx
@@ -1,13 +1,7 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
-import PublishAsKnowledgePipelineModal from './publish-as-knowledge-pipeline-modal'
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
+import PublishAsKnowledgePipelineModal from '../publish-as-knowledge-pipeline-modal'
 
 vi.mock('@/app/components/workflow/store', () => ({
   useWorkflowStore: () => ({
@@ -105,7 +99,7 @@ describe('PublishAsKnowledgePipelineModal', () => {
     render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
     expect(screen.getByTestId('modal')).toBeInTheDocument()
-    expect(screen.getByText('common.publishAs')).toBeInTheDocument()
+    expect(screen.getByText('pipeline.common.publishAs')).toBeInTheDocument()
   })
 
   it('should initialize with knowledgeName from store', () => {
@@ -133,7 +127,7 @@ describe('PublishAsKnowledgePipelineModal', () => {
   it('should call onCancel when cancel button clicked', () => {
     render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
-    fireEvent.click(screen.getByText('operation.cancel'))
+    fireEvent.click(screen.getByText('common.operation.cancel'))
 
     expect(mockOnCancel).toHaveBeenCalled()
   })
@@ -141,7 +135,7 @@ describe('PublishAsKnowledgePipelineModal', () => {
   it('should call onConfirm with name, icon, and description when confirm clicked', () => {
     render(<PublishAsKnowledgePipelineModal {...defaultProps} />)
 
-    fireEvent.click(screen.getByText('common.publish'))
+    fireEvent.click(screen.getByText('workflow.common.publish'))
 
     expect(mockOnConfirm).toHaveBeenCalledWith(
       'Test Pipeline',
@@ -174,21 +168,21 @@ describe('PublishAsKnowledgePipelineModal', () => {
     const nameInput = screen.getByTestId('name-input')
     fireEvent.change(nameInput, { target: { value: '' } })
 
-    const confirmBtn = screen.getByText('common.publish')
+    const confirmBtn = screen.getByText('workflow.common.publish')
     expect(confirmBtn).toBeDisabled()
   })
 
   it('should disable confirm button when confirmDisabled is true', () => {
     render(<PublishAsKnowledgePipelineModal {...defaultProps} confirmDisabled />)
 
-    const confirmBtn = screen.getByText('common.publish')
+    const confirmBtn = screen.getByText('workflow.common.publish')
     expect(confirmBtn).toBeDisabled()
   })
 
   it('should not call onConfirm when confirmDisabled is true', () => {
     render(<PublishAsKnowledgePipelineModal {...defaultProps} confirmDisabled />)
 
-    fireEvent.click(screen.getByText('common.publish'))
+    fireEvent.click(screen.getByText('workflow.common.publish'))
 
     expect(mockOnConfirm).not.toHaveBeenCalled()
   })
@@ -209,7 +203,6 @@ describe('PublishAsKnowledgePipelineModal', () => {
     fireEvent.click(screen.getByTestId('app-icon'))
     fireEvent.click(screen.getByTestId('select-emoji'))
 
-    // Icon picker should close
     expect(screen.queryByTestId('icon-picker')).not.toBeInTheDocument()
   })
 
@@ -240,7 +233,7 @@ describe('PublishAsKnowledgePipelineModal', () => {
     const textarea = screen.getByTestId('description-textarea')
     fireEvent.change(textarea, { target: { value: '  Some desc  ' } })
 
-    fireEvent.click(screen.getByText('common.publish'))
+    fireEvent.click(screen.getByText('workflow.common.publish'))
 
     expect(mockOnConfirm).toHaveBeenCalledWith(
       'Trimmed Name',
diff --git a/web/app/components/rag-pipeline/components/publish-toast.spec.tsx b/web/app/components/rag-pipeline/components/__tests__/publish-toast.spec.tsx
similarity index 69%
rename from web/app/components/rag-pipeline/components/publish-toast.spec.tsx
rename to web/app/components/rag-pipeline/components/__tests__/publish-toast.spec.tsx
index d61f091ed2..0e65f8f1db 100644
--- a/web/app/components/rag-pipeline/components/publish-toast.spec.tsx
+++ b/web/app/components/rag-pipeline/components/__tests__/publish-toast.spec.tsx
@@ -1,15 +1,7 @@
 import { cleanup, fireEvent, render, screen } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-import PublishToast from './publish-toast'
+import PublishToast from '../publish-toast'
 
-// Mock react-i18next
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
-
-// Mock workflow store with controllable state
 let mockPublishedAt = 0
 vi.mock('@/app/components/workflow/store', () => ({
   useStore: (selector: (state: Record<string, unknown>) => unknown) => {
@@ -32,19 +24,19 @@ describe('PublishToast', () => {
       mockPublishedAt = 0
       render(<PublishToast />)
 
-      expect(screen.getByText('publishToast.title')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.publishToast.title')).toBeInTheDocument()
     })
 
     it('should render toast title', () => {
       render(<PublishToast />)
 
-      expect(screen.getByText('publishToast.title')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.publishToast.title')).toBeInTheDocument()
     })
 
     it('should render toast description', () => {
       render(<PublishToast />)
 
-      expect(screen.getByText('publishToast.desc')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.publishToast.desc')).toBeInTheDocument()
     })
 
     it('should not render when publishedAt is set', () => {
@@ -57,14 +49,13 @@ describe('PublishToast', () => {
     it('should have correct positioning classes', () => {
       render(<PublishToast />)
 
-      const container = screen.getByText('publishToast.title').closest('.absolute')
+      const container = screen.getByText('pipeline.publishToast.title').closest('.absolute')
       expect(container).toHaveClass('bottom-[45px]', 'left-0', 'right-0', 'z-10')
     })
 
     it('should render info icon', () => {
       const { container } = render(<PublishToast />)
 
-      // The RiInformation2Fill icon should be rendered
       const iconContainer = container.querySelector('.text-text-accent')
       expect(iconContainer).toBeInTheDocument()
     })
@@ -72,7 +63,6 @@ describe('PublishToast', () => {
     it('should render close button', () => {
       const { container } = render(<PublishToast />)
 
-      // The close button is a div with cursor-pointer, not a semantic button
       const closeButton = container.querySelector('.cursor-pointer')
       expect(closeButton).toBeInTheDocument()
     })
@@ -82,25 +72,23 @@ describe('PublishToast', () => {
     it('should hide toast when close button is clicked', () => {
       const { container } = render(<PublishToast />)
 
-      // The close button is a div with cursor-pointer, not a semantic button
       const closeButton = container.querySelector('.cursor-pointer')
-      expect(screen.getByText('publishToast.title')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.publishToast.title')).toBeInTheDocument()
 
       fireEvent.click(closeButton!)
 
-      expect(screen.queryByText('publishToast.title')).not.toBeInTheDocument()
+      expect(screen.queryByText('pipeline.publishToast.title')).not.toBeInTheDocument()
     })
 
     it('should remain hidden after close button is clicked', () => {
       const { container, rerender } = render(<PublishToast />)
 
-      // The close button is a div with cursor-pointer, not a semantic button
       const closeButton = container.querySelector('.cursor-pointer')
       fireEvent.click(closeButton!)
 
       rerender(<PublishToast />)
 
-      expect(screen.queryByText('publishToast.title')).not.toBeInTheDocument()
+      expect(screen.queryByText('pipeline.publishToast.title')).not.toBeInTheDocument()
     })
   })
 
@@ -115,14 +103,14 @@ describe('PublishToast', () => {
     it('should have correct toast width', () => {
       render(<PublishToast />)
 
-      const toastContainer = screen.getByText('publishToast.title').closest('.w-\\[420px\\]')
+      const toastContainer = screen.getByText('pipeline.publishToast.title').closest('.w-\\[420px\\]')
       expect(toastContainer).toBeInTheDocument()
     })
 
     it('should have rounded border', () => {
       render(<PublishToast />)
 
-      const toastContainer = screen.getByText('publishToast.title').closest('.rounded-xl')
+      const toastContainer = screen.getByText('pipeline.publishToast.title').closest('.rounded-xl')
       expect(toastContainer).toBeInTheDocument()
     })
   })
diff --git a/web/app/components/rag-pipeline/components/rag-pipeline-main.spec.tsx b/web/app/components/rag-pipeline/components/__tests__/rag-pipeline-main.spec.tsx
similarity index 94%
rename from web/app/components/rag-pipeline/components/rag-pipeline-main.spec.tsx
rename to web/app/components/rag-pipeline/components/__tests__/rag-pipeline-main.spec.tsx
index 3de3c3deeb..22d38861da 100644
--- a/web/app/components/rag-pipeline/components/rag-pipeline-main.spec.tsx
+++ b/web/app/components/rag-pipeline/components/__tests__/rag-pipeline-main.spec.tsx
@@ -2,10 +2,9 @@ import type { PropsWithChildren } from 'react'
 import type { Edge, Node, Viewport } from 'reactflow'
 import { cleanup, render, screen } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-import RagPipelineMain from './rag-pipeline-main'
+import RagPipelineMain from '../rag-pipeline-main'
 
-// Mock hooks from ../hooks
-vi.mock('../hooks', () => ({
+vi.mock('../../hooks', () => ({
   useAvailableNodesMetaData: () => ({ nodes: [], nodesMap: {} }),
   useDSL: () => ({
     exportCheck: vi.fn(),
@@ -34,8 +33,7 @@ vi.mock('../hooks', () => ({
   }),
 }))
 
-// Mock useConfigsMap
-vi.mock('../hooks/use-configs-map', () => ({
+vi.mock('../../hooks/use-configs-map', () => ({
   useConfigsMap: () => ({
     flowId: 'test-flow-id',
     flowType: 'ragPipeline',
@@ -43,8 +41,7 @@ vi.mock('../hooks/use-configs-map', () => ({
   }),
 }))
 
-// Mock useInspectVarsCrud
-vi.mock('../hooks/use-inspect-vars-crud', () => ({
+vi.mock('../../hooks/use-inspect-vars-crud', () => ({
   useInspectVarsCrud: () => ({
     hasNodeInspectVars: vi.fn(),
     hasSetInspectVar: vi.fn(),
@@ -63,7 +60,6 @@ vi.mock('../hooks/use-inspect-vars-crud', () => ({
   }),
 }))
 
-// Mock workflow store
 const mockSetRagPipelineVariables = vi.fn()
 const mockSetEnvironmentVariables = vi.fn()
 vi.mock('@/app/components/workflow/store', () => ({
@@ -75,14 +71,12 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock workflow hooks
 vi.mock('@/app/components/workflow/hooks/use-fetch-workflow-inspect-vars', () => ({
   useSetWorkflowVarsWithValue: () => ({
     fetchInspectVars: vi.fn(),
   }),
 }))
 
-// Mock WorkflowWithInnerContext
 vi.mock('@/app/components/workflow', () => ({
   WorkflowWithInnerContext: ({ children, onWorkflowDataUpdate }: PropsWithChildren<{ onWorkflowDataUpdate?: (payload: unknown) => void }>) => (
     <div data-testid="workflow-inner-context">
@@ -108,8 +102,7 @@ vi.mock('@/app/components/workflow', () => ({
   ),
 }))
 
-// Mock RagPipelineChildren
-vi.mock('./rag-pipeline-children', () => ({
+vi.mock('../rag-pipeline-children', () => ({
   default: () => <div data-testid="rag-pipeline-children">Children</div>,
 }))
 
@@ -201,7 +194,6 @@ describe('RagPipelineMain', () => {
     it('should use useNodesSyncDraft hook', () => {
       render(<RagPipelineMain {...defaultProps} />)
 
-      // If the component renders, the hook was called successfully
       expect(screen.getByTestId('workflow-inner-context')).toBeInTheDocument()
     })
 
diff --git a/web/app/components/rag-pipeline/components/update-dsl-modal.spec.tsx b/web/app/components/rag-pipeline/components/__tests__/update-dsl-modal.spec.tsx
similarity index 77%
rename from web/app/components/rag-pipeline/components/update-dsl-modal.spec.tsx
rename to web/app/components/rag-pipeline/components/__tests__/update-dsl-modal.spec.tsx
index addfa3dc53..2f9b2172bd 100644
--- a/web/app/components/rag-pipeline/components/update-dsl-modal.spec.tsx
+++ b/web/app/components/rag-pipeline/components/__tests__/update-dsl-modal.spec.tsx
@@ -2,7 +2,7 @@ import type { PropsWithChildren } from 'react'
 import { act, fireEvent, render, screen, waitFor } from '@testing-library/react'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { DSLImportStatus } from '@/models/app'
-import UpdateDSLModal from './update-dsl-modal'
+import UpdateDSLModal from '../update-dsl-modal'
 
 class MockFileReader {
   onload: ((this: FileReader, event: ProgressEvent<FileReader>) => void) | null = null
@@ -15,25 +15,15 @@ class MockFileReader {
 
 vi.stubGlobal('FileReader', MockFileReader as unknown as typeof FileReader)
 
-// Mock react-i18next
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
-
-// Mock use-context-selector
 const mockNotify = vi.fn()
 vi.mock('use-context-selector', () => ({
   useContext: () => ({ notify: mockNotify }),
 }))
 
-// Mock toast context
 vi.mock('@/app/components/base/toast', () => ({
   ToastContext: { Provider: ({ children }: PropsWithChildren) => children },
 }))
 
-// Mock event emitter
 const mockEmit = vi.fn()
 vi.mock('@/context/event-emitter', () => ({
   useEventEmitterContextContext: () => ({
@@ -41,7 +31,6 @@ vi.mock('@/context/event-emitter', () => ({
   }),
 }))
 
-// Mock workflow store
 vi.mock('@/app/components/workflow/store', () => ({
   useWorkflowStore: () => ({
     getState: () => ({
@@ -50,13 +39,11 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock workflow utils
 vi.mock('@/app/components/workflow/utils', () => ({
   initialNodes: (nodes: unknown[]) => nodes,
   initialEdges: (edges: unknown[]) => edges,
 }))
 
-// Mock plugin dependencies
 const mockHandleCheckPluginDependencies = vi.fn()
 vi.mock('@/app/components/workflow/plugin-dependency/hooks', () => ({
   usePluginDependencies: () => ({
@@ -64,7 +51,6 @@ vi.mock('@/app/components/workflow/plugin-dependency/hooks', () => ({
   }),
 }))
 
-// Mock pipeline service
 const mockImportDSL = vi.fn()
 const mockImportDSLConfirm = vi.fn()
 vi.mock('@/service/use-pipeline', () => ({
@@ -72,7 +58,6 @@ vi.mock('@/service/use-pipeline', () => ({
   useImportPipelineDSLConfirm: () => ({ mutateAsync: mockImportDSLConfirm }),
 }))
 
-// Mock workflow service
 vi.mock('@/service/workflow', () => ({
   fetchWorkflowDraft: vi.fn().mockResolvedValue({
     graph: { nodes: [], edges: [], viewport: { x: 0, y: 0, zoom: 1 } },
@@ -81,7 +66,6 @@ vi.mock('@/service/workflow', () => ({
   }),
 }))
 
-// Mock Uploader
 vi.mock('@/app/components/app/create-from-dsl-modal/uploader', () => ({
   default: ({ updateFile }: { updateFile: (file?: File) => void }) => (
     <div data-testid="uploader">
@@ -103,7 +87,6 @@ vi.mock('@/app/components/app/create-from-dsl-modal/uploader', () => ({
   ),
 }))
 
-// Mock Button
 vi.mock('@/app/components/base/button', () => ({
   default: ({ children, onClick, disabled, className, variant, loading }: {
     children: React.ReactNode
@@ -125,7 +108,6 @@ vi.mock('@/app/components/base/button', () => ({
   ),
 }))
 
-// Mock Modal
 vi.mock('@/app/components/base/modal', () => ({
   default: ({ children, isShow, _onClose, className }: PropsWithChildren<{
     isShow: boolean
@@ -140,7 +122,6 @@ vi.mock('@/app/components/base/modal', () => ({
     : null,
 }))
 
-// Mock workflow constants
 vi.mock('@/app/components/workflow/constants', () => ({
   WORKFLOW_DATA_UPDATE: 'WORKFLOW_DATA_UPDATE',
 }))
@@ -176,15 +157,13 @@ describe('UpdateDSLModal', () => {
     it('should render title', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // The component uses t('common.importDSL', { ns: 'workflow' }) which returns 'common.importDSL'
-      expect(screen.getByText('common.importDSL')).toBeInTheDocument()
+      expect(screen.getByText('workflow.common.importDSL')).toBeInTheDocument()
     })
 
     it('should render warning tip', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // The component uses t('common.importDSLTip', { ns: 'workflow' })
-      expect(screen.getByText('common.importDSLTip')).toBeInTheDocument()
+      expect(screen.getByText('workflow.common.importDSLTip')).toBeInTheDocument()
     })
 
     it('should render uploader', () => {
@@ -196,29 +175,25 @@ describe('UpdateDSLModal', () => {
     it('should render backup button', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // The component uses t('common.backupCurrentDraft', { ns: 'workflow' })
-      expect(screen.getByText('common.backupCurrentDraft')).toBeInTheDocument()
+      expect(screen.getByText('workflow.common.backupCurrentDraft')).toBeInTheDocument()
     })
 
     it('should render cancel button', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // The component uses t('newApp.Cancel', { ns: 'app' })
-      expect(screen.getByText('newApp.Cancel')).toBeInTheDocument()
+      expect(screen.getByText('app.newApp.Cancel')).toBeInTheDocument()
     })
 
     it('should render import button', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // The component uses t('common.overwriteAndImport', { ns: 'workflow' })
-      expect(screen.getByText('common.overwriteAndImport')).toBeInTheDocument()
+      expect(screen.getByText('workflow.common.overwriteAndImport')).toBeInTheDocument()
     })
 
     it('should render choose DSL section', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // The component uses t('common.chooseDSL', { ns: 'workflow' })
-      expect(screen.getByText('common.chooseDSL')).toBeInTheDocument()
+      expect(screen.getByText('workflow.common.chooseDSL')).toBeInTheDocument()
     })
   })
 
@@ -226,7 +201,7 @@ describe('UpdateDSLModal', () => {
     it('should call onCancel when cancel button is clicked', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      const cancelButton = screen.getByText('newApp.Cancel')
+      const cancelButton = screen.getByText('app.newApp.Cancel')
       fireEvent.click(cancelButton)
 
       expect(mockOnCancel).toHaveBeenCalled()
@@ -235,7 +210,7 @@ describe('UpdateDSLModal', () => {
     it('should call onBackup when backup button is clicked', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      const backupButton = screen.getByText('common.backupCurrentDraft')
+      const backupButton = screen.getByText('workflow.common.backupCurrentDraft')
       fireEvent.click(backupButton)
 
       expect(mockOnBackup).toHaveBeenCalled()
@@ -249,7 +224,6 @@ describe('UpdateDSLModal', () => {
 
       fireEvent.change(fileInput, { target: { files: [file] } })
 
-      // File should be processed
       await waitFor(() => {
         expect(screen.getByTestId('uploader')).toBeInTheDocument()
       })
@@ -261,14 +235,12 @@ describe('UpdateDSLModal', () => {
       const clearButton = screen.getByTestId('clear-file')
       fireEvent.click(clearButton)
 
-      // File should be cleared
       expect(screen.getByTestId('uploader')).toBeInTheDocument()
     })
 
     it('should call onCancel when close icon is clicked', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // The close icon is in a div with onClick={onCancel}
       const closeIconContainer = document.querySelector('.cursor-pointer')
       if (closeIconContainer) {
         fireEvent.click(closeIconContainer)
@@ -281,7 +253,7 @@ describe('UpdateDSLModal', () => {
     it('should show import button disabled when no file is selected', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       expect(importButton).toBeDisabled()
     })
 
@@ -294,7 +266,7 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
     })
@@ -302,22 +274,20 @@ describe('UpdateDSLModal', () => {
     it('should disable import button after file is cleared', async () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // First select a file
       const fileInput = screen.getByTestId('file-input')
       const file = new File(['test content'], 'test.pipeline', { type: 'text/yaml' })
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      // Clear the file
       const clearButton = screen.getByTestId('clear-file')
       fireEvent.click(clearButton)
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).toBeDisabled()
       })
     })
@@ -344,15 +314,14 @@ describe('UpdateDSLModal', () => {
     it('should render import button with warning variant', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       expect(importButton).toHaveAttribute('data-variant', 'warning')
     })
 
     it('should render backup button with secondary variant', () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // The backup button text is inside a nested div, so we need to find the closest button
-      const backupButtonText = screen.getByText('common.backupCurrentDraft')
+      const backupButtonText = screen.getByText('workflow.common.backupCurrentDraft')
       const backupButton = backupButtonText.closest('button')
       expect(backupButton).toHaveAttribute('data-variant', 'secondary')
     })
@@ -362,22 +331,18 @@ describe('UpdateDSLModal', () => {
     it('should call importDSL when import button is clicked with file content', async () => {
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // Select a file
       const fileInput = screen.getByTestId('file-input')
       const file = new File(['test content'], 'test.pipeline', { type: 'text/yaml' })
       fireEvent.change(fileInput, { target: { files: [file] } })
 
-      // Wait for FileReader to process
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      // Click import button
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
-      // Wait for import to be called
       await waitFor(() => {
         expect(mockImportDSL).toHaveBeenCalled()
       })
@@ -392,17 +357,16 @@ describe('UpdateDSLModal', () => {
 
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // Select a file and click import
       const fileInput = screen.getByTestId('file-input')
       const file = new File(['test content'], 'test.pipeline', { type: 'text/yaml' })
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
@@ -426,11 +390,11 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
@@ -452,11 +416,11 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       }, { timeout: 1000 })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
@@ -478,11 +442,11 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
@@ -506,11 +470,11 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
@@ -533,13 +497,12 @@ describe('UpdateDSLModal', () => {
       const file = new File(['test content'], 'test.pipeline', { type: 'text/yaml' })
       fireEvent.change(fileInput, { target: { files: [file] } })
 
-      // Wait for FileReader to process and button to be enabled
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
@@ -558,13 +521,12 @@ describe('UpdateDSLModal', () => {
       const file = new File(['test content'], 'test.pipeline', { type: 'text/yaml' })
       fireEvent.change(fileInput, { target: { files: [file] } })
 
-      // Wait for FileReader to complete and button to be enabled
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
@@ -588,16 +550,15 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      // Flush the FileReader microtask to ensure fileContent is set
       await act(async () => {
         await new Promise<void>(resolve => queueMicrotask(resolve))
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
@@ -619,11 +580,11 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
@@ -649,23 +610,20 @@ describe('UpdateDSLModal', () => {
 
       await act(async () => {
         fireEvent.change(fileInput, { target: { files: [file] } })
-        // Flush microtasks scheduled by the FileReader mock (which uses queueMicrotask)
         await new Promise<void>(resolve => queueMicrotask(resolve))
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       expect(importButton).not.toBeDisabled()
 
       await act(async () => {
         fireEvent.click(importButton)
-        // Flush the promise resolution from mockImportDSL
         await Promise.resolve()
-        // Advance past the 300ms setTimeout in the component
         await vi.advanceTimersByTimeAsync(350)
       })
 
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       })
 
       vi.useRealTimers()
@@ -687,14 +645,13 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
-      // Wait for error modal with version info
       await waitFor(() => {
         expect(screen.getByText('1.0.0')).toBeInTheDocument()
         expect(screen.getByText('2.0.0')).toBeInTheDocument()
@@ -717,20 +674,18 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
-      // Wait for error modal
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       }, { timeout: 1000 })
 
-      // Find and click cancel button in error modal - it should be the one with secondary variant
-      const cancelButtons = screen.getAllByText('newApp.Cancel')
+      const cancelButtons = screen.getAllByText('app.newApp.Cancel')
       const errorModalCancelButton = cancelButtons.find(btn =>
         btn.getAttribute('data-variant') === 'secondary',
       )
@@ -738,9 +693,8 @@ describe('UpdateDSLModal', () => {
         fireEvent.click(errorModalCancelButton)
       }
 
-      // Modal should be closed
       await waitFor(() => {
-        expect(screen.queryByText('newApp.appCreateDSLErrorTitle')).not.toBeInTheDocument()
+        expect(screen.queryByText('app.newApp.appCreateDSLErrorTitle')).not.toBeInTheDocument()
       })
     })
 
@@ -767,27 +721,23 @@ describe('UpdateDSLModal', () => {
 
       await act(async () => {
         fireEvent.change(fileInput, { target: { files: [file] } })
-        // Flush microtasks scheduled by the FileReader mock (which uses queueMicrotask)
         await new Promise<void>(resolve => queueMicrotask(resolve))
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       expect(importButton).not.toBeDisabled()
 
       await act(async () => {
         fireEvent.click(importButton)
-        // Flush the promise resolution from mockImportDSL
         await Promise.resolve()
-        // Advance past the 300ms setTimeout in the component
         await vi.advanceTimersByTimeAsync(350)
       })
 
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       }, { timeout: 1000 })
 
-      // Click confirm button
-      const confirmButton = screen.getByText('newApp.Confirm')
+      const confirmButton = screen.getByText('app.newApp.Confirm')
       fireEvent.click(confirmButton)
 
       await waitFor(() => {
@@ -818,18 +768,18 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       }, { timeout: 1000 })
 
-      const confirmButton = screen.getByText('newApp.Confirm')
+      const confirmButton = screen.getByText('app.newApp.Confirm')
       fireEvent.click(confirmButton)
 
       await waitFor(() => {
@@ -860,18 +810,18 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       }, { timeout: 1000 })
 
-      const confirmButton = screen.getByText('newApp.Confirm')
+      const confirmButton = screen.getByText('app.newApp.Confirm')
       fireEvent.click(confirmButton)
 
       await waitFor(() => {
@@ -899,18 +849,18 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       }, { timeout: 1000 })
 
-      const confirmButton = screen.getByText('newApp.Confirm')
+      const confirmButton = screen.getByText('app.newApp.Confirm')
       fireEvent.click(confirmButton)
 
       await waitFor(() => {
@@ -941,18 +891,18 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       }, { timeout: 1000 })
 
-      const confirmButton = screen.getByText('newApp.Confirm')
+      const confirmButton = screen.getByText('app.newApp.Confirm')
       fireEvent.click(confirmButton)
 
       await waitFor(() => {
@@ -983,18 +933,18 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       }, { timeout: 1000 })
 
-      const confirmButton = screen.getByText('newApp.Confirm')
+      const confirmButton = screen.getByText('app.newApp.Confirm')
       fireEvent.click(confirmButton)
 
       await waitFor(() => {
@@ -1025,26 +975,23 @@ describe('UpdateDSLModal', () => {
 
       await act(async () => {
         fireEvent.change(fileInput, { target: { files: [file] } })
-        // Flush microtasks scheduled by the FileReader mock (which uses queueMicrotask)
         await new Promise<void>(resolve => queueMicrotask(resolve))
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       expect(importButton).not.toBeDisabled()
 
       await act(async () => {
         fireEvent.click(importButton)
-        // Flush the promise resolution from mockImportDSL
         await Promise.resolve()
-        // Advance past the 300ms setTimeout in the component
         await vi.advanceTimersByTimeAsync(350)
       })
 
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       }, { timeout: 1000 })
 
-      const confirmButton = screen.getByText('newApp.Confirm')
+      const confirmButton = screen.getByText('app.newApp.Confirm')
       fireEvent.click(confirmButton)
 
       await waitFor(() => {
@@ -1070,25 +1017,21 @@ describe('UpdateDSLModal', () => {
       fireEvent.change(fileInput, { target: { files: [file] } })
 
       await waitFor(() => {
-        const importButton = screen.getByText('common.overwriteAndImport')
+        const importButton = screen.getByText('workflow.common.overwriteAndImport')
         expect(importButton).not.toBeDisabled()
       })
 
-      const importButton = screen.getByText('common.overwriteAndImport')
+      const importButton = screen.getByText('workflow.common.overwriteAndImport')
       fireEvent.click(importButton)
 
-      // Should show error modal even with undefined versions
       await waitFor(() => {
-        expect(screen.getByText('newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
+        expect(screen.getByText('app.newApp.appCreateDSLErrorTitle')).toBeInTheDocument()
       }, { timeout: 1000 })
     })
 
     it('should not call importDSLConfirm when importId is not set', async () => {
-      // Render without triggering PENDING status first
       render(<UpdateDSLModal {...defaultProps} />)
 
-      // importId is not set, so confirm should not be called
-      // This is hard to test directly, but we can verify by checking the confirm flow
       expect(mockImportDSLConfirm).not.toHaveBeenCalled()
     })
   })
diff --git a/web/app/components/rag-pipeline/components/version-mismatch-modal.spec.tsx b/web/app/components/rag-pipeline/components/__tests__/version-mismatch-modal.spec.tsx
similarity index 98%
rename from web/app/components/rag-pipeline/components/version-mismatch-modal.spec.tsx
rename to web/app/components/rag-pipeline/components/__tests__/version-mismatch-modal.spec.tsx
index b14cdcf9c1..087f900f8a 100644
--- a/web/app/components/rag-pipeline/components/version-mismatch-modal.spec.tsx
+++ b/web/app/components/rag-pipeline/components/__tests__/version-mismatch-modal.spec.tsx
@@ -1,6 +1,6 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
-import VersionMismatchModal from './version-mismatch-modal'
+import VersionMismatchModal from '../version-mismatch-modal'
 
 describe('VersionMismatchModal', () => {
   const mockOnClose = vi.fn()
diff --git a/web/app/components/rag-pipeline/components/chunk-card-list/chunk-card.spec.tsx b/web/app/components/rag-pipeline/components/chunk-card-list/__tests__/chunk-card.spec.tsx
similarity index 94%
rename from web/app/components/rag-pipeline/components/chunk-card-list/chunk-card.spec.tsx
rename to web/app/components/rag-pipeline/components/chunk-card-list/__tests__/chunk-card.spec.tsx
index 5db52237dd..59cd9613f3 100644
--- a/web/app/components/rag-pipeline/components/chunk-card-list/chunk-card.spec.tsx
+++ b/web/app/components/rag-pipeline/components/chunk-card-list/__tests__/chunk-card.spec.tsx
@@ -1,15 +1,9 @@
-import type { ParentChildChunk } from './types'
+import type { ParentChildChunk } from '../types'
 import { render, screen } from '@testing-library/react'
 import { describe, expect, it, vi } from 'vitest'
 import { ChunkingMode } from '@/models/datasets'
 
-import ChunkCard from './chunk-card'
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string, opts?: Record<string, unknown>) => `${key}${opts?.count !== undefined ? `:${opts.count}` : ''}`,
-  }),
-}))
+import ChunkCard from '../chunk-card'
 
 vi.mock('@/app/components/datasets/documents/detail/completed/common/dot', () => ({
   default: () => <span data-testid="dot" />,
@@ -52,13 +46,13 @@ vi.mock('@/utils/format', () => ({
   formatNumber: (n: number) => String(n),
 }))
 
-vi.mock('./q-a-item', () => ({
+vi.mock('../q-a-item', () => ({
   default: ({ type, text }: { type: string, text: string }) => (
     <span data-testid={`qa-${type}`}>{text}</span>
   ),
 }))
 
-vi.mock('./types', () => ({
+vi.mock('../types', () => ({
   QAItemType: {
     Question: 'question',
     Answer: 'answer',
diff --git a/web/app/components/rag-pipeline/components/chunk-card-list/index.spec.tsx b/web/app/components/rag-pipeline/components/chunk-card-list/__tests__/index.spec.tsx
similarity index 83%
rename from web/app/components/rag-pipeline/components/chunk-card-list/index.spec.tsx
rename to web/app/components/rag-pipeline/components/chunk-card-list/__tests__/index.spec.tsx
index ca5fae25c7..2fab56f0ea 100644
--- a/web/app/components/rag-pipeline/components/chunk-card-list/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/chunk-card-list/__tests__/index.spec.tsx
@@ -1,14 +1,10 @@
-import type { GeneralChunks, ParentChildChunk, ParentChildChunks, QAChunk, QAChunks } from './types'
+import type { GeneralChunks, ParentChildChunk, ParentChildChunks, QAChunk, QAChunks } from '../types'
 import { render, screen } from '@testing-library/react'
 import { ChunkingMode } from '@/models/datasets'
-import ChunkCard from './chunk-card'
-import { ChunkCardList } from './index'
-import QAItem from './q-a-item'
-import { QAItemType } from './types'
-
-// =============================================================================
-// Test Data Factories
-// =============================================================================
+import ChunkCard from '../chunk-card'
+import { ChunkCardList } from '../index'
+import QAItem from '../q-a-item'
+import { QAItemType } from '../types'
 
 const createGeneralChunks = (overrides: GeneralChunks = []): GeneralChunks => {
   if (overrides.length > 0)
@@ -56,99 +52,71 @@ const createQAChunks = (overrides: Partial<QAChunks> = {}): QAChunks => ({
   ...overrides,
 })
 
-// =============================================================================
-// QAItem Component Tests
-// =============================================================================
-
 describe('QAItem', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // Tests for basic rendering of QAItem component
   describe('Rendering', () => {
     it('should render question type with Q prefix', () => {
-      // Arrange & Act
       render(<QAItem type={QAItemType.Question} text="What is this?" />)
 
-      // Assert
       expect(screen.getByText('Q')).toBeInTheDocument()
       expect(screen.getByText('What is this?')).toBeInTheDocument()
     })
 
     it('should render answer type with A prefix', () => {
-      // Arrange & Act
       render(<QAItem type={QAItemType.Answer} text="This is the answer." />)
 
-      // Assert
       expect(screen.getByText('A')).toBeInTheDocument()
       expect(screen.getByText('This is the answer.')).toBeInTheDocument()
     })
   })
 
-  // Tests for different prop variations
   describe('Props', () => {
     it('should render with empty text', () => {
-      // Arrange & Act
       render(<QAItem type={QAItemType.Question} text="" />)
 
-      // Assert
       expect(screen.getByText('Q')).toBeInTheDocument()
     })
 
     it('should render with long text content', () => {
-      // Arrange
       const longText = 'A'.repeat(1000)
 
-      // Act
       render(<QAItem type={QAItemType.Answer} text={longText} />)
 
-      // Assert
       expect(screen.getByText(longText)).toBeInTheDocument()
     })
 
     it('should render with special characters in text', () => {
-      // Arrange
       const specialText = '<script>alert("xss")</script> & "quotes" \'apostrophe\''
 
-      // Act
       render(<QAItem type={QAItemType.Question} text={specialText} />)
 
-      // Assert
       expect(screen.getByText(specialText)).toBeInTheDocument()
     })
   })
 
-  // Tests for memoization behavior
   describe('Memoization', () => {
     it('should be memoized with React.memo', () => {
-      // Arrange & Act
       const { rerender } = render(<QAItem type={QAItemType.Question} text="Test" />)
 
-      // Assert - component should render consistently
       expect(screen.getByText('Q')).toBeInTheDocument()
       expect(screen.getByText('Test')).toBeInTheDocument()
 
-      // Rerender with same props - should not cause issues
       rerender(<QAItem type={QAItemType.Question} text="Test" />)
       expect(screen.getByText('Q')).toBeInTheDocument()
     })
   })
 })
 
-// =============================================================================
-// ChunkCard Component Tests
-// =============================================================================
-
 describe('ChunkCard', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // Tests for basic rendering with different chunk types
   describe('Rendering', () => {
     it('should render text chunk type correctly', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -158,19 +126,16 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('This is the first chunk of text content.')).toBeInTheDocument()
       expect(screen.getByText(/Chunk-01/)).toBeInTheDocument()
     })
 
     it('should render QA chunk type with question and answer', () => {
-      // Arrange
       const qaContent: QAChunk = {
         question: 'What is React?',
         answer: 'React is a JavaScript library.',
       }
 
-      // Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.qa}
@@ -180,7 +145,6 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Q')).toBeInTheDocument()
       expect(screen.getByText('What is React?')).toBeInTheDocument()
       expect(screen.getByText('A')).toBeInTheDocument()
@@ -188,10 +152,8 @@ describe('ChunkCard', () => {
     })
 
     it('should render parent-child chunk type with child contents', () => {
-      // Arrange
       const childContents = ['Child 1 content', 'Child 2 content']
 
-      // Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.parentChild}
@@ -202,7 +164,6 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Child 1 content')).toBeInTheDocument()
       expect(screen.getByText('Child 2 content')).toBeInTheDocument()
       expect(screen.getByText('C-1')).toBeInTheDocument()
@@ -210,10 +171,8 @@ describe('ChunkCard', () => {
     })
   })
 
-  // Tests for parent mode variations
   describe('Parent Mode Variations', () => {
     it('should show Parent-Chunk label prefix for paragraph mode', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.parentChild}
@@ -224,12 +183,10 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(/Parent-Chunk-01/)).toBeInTheDocument()
     })
 
     it('should hide segment index tag for full-doc mode', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.parentChild}
@@ -240,13 +197,11 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert - should not show Chunk or Parent-Chunk label
       expect(screen.queryByText(/Chunk/)).not.toBeInTheDocument()
       expect(screen.queryByText(/Parent-Chunk/)).not.toBeInTheDocument()
     })
 
     it('should show Chunk label prefix for text mode', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -256,15 +211,12 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(/Chunk-05/)).toBeInTheDocument()
     })
   })
 
-  // Tests for word count display
   describe('Word Count Display', () => {
     it('should display formatted word count', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -274,12 +226,10 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert - formatNumber(1234) returns '1,234'
       expect(screen.getByText(/1,234/)).toBeInTheDocument()
     })
 
     it('should display word count with character translation key', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -289,12 +239,10 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert - translation key is returned as-is by mock
       expect(screen.getByText(/100\s+(?:\S.*)?characters/)).toBeInTheDocument()
     })
 
     it('should not display word count info for full-doc mode', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.parentChild}
@@ -305,15 +253,12 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert - the header with word count should be hidden
       expect(screen.queryByText(/500/)).not.toBeInTheDocument()
     })
   })
 
-  // Tests for position ID variations
   describe('Position ID', () => {
     it('should handle numeric position ID', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -323,12 +268,10 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(/Chunk-42/)).toBeInTheDocument()
     })
 
     it('should handle string position ID', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -338,12 +281,10 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(/Chunk-99/)).toBeInTheDocument()
     })
 
     it('should pad single digit position ID', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -353,15 +294,12 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(/Chunk-03/)).toBeInTheDocument()
     })
   })
 
-  // Tests for memoization dependencies
   describe('Memoization', () => {
     it('should update isFullDoc memo when parentMode changes', () => {
-      // Arrange
       const { rerender } = render(
         <ChunkCard
           chunkType={ChunkingMode.parentChild}
@@ -372,10 +310,8 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert - paragraph mode shows label
       expect(screen.getByText(/Parent-Chunk/)).toBeInTheDocument()
 
-      // Act - change to full-doc
       rerender(
         <ChunkCard
           chunkType={ChunkingMode.parentChild}
@@ -386,12 +322,10 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert - full-doc mode hides label
       expect(screen.queryByText(/Parent-Chunk/)).not.toBeInTheDocument()
     })
 
     it('should update contentElement memo when content changes', () => {
-      // Arrange
       const initialContent = { content: 'Initial content' }
       const updatedContent = { content: 'Updated content' }
 
@@ -404,10 +338,8 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Initial content')).toBeInTheDocument()
 
-      // Act
       rerender(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -417,13 +349,11 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Updated content')).toBeInTheDocument()
       expect(screen.queryByText('Initial content')).not.toBeInTheDocument()
     })
 
     it('should update contentElement memo when chunkType changes', () => {
-      // Arrange
       const textContent = { content: 'Text content' }
       const { rerender } = render(
         <ChunkCard
@@ -434,10 +364,8 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Text content')).toBeInTheDocument()
 
-      // Act - change to QA type
       const qaContent: QAChunk = { question: 'Q?', answer: 'A.' }
       rerender(
         <ChunkCard
@@ -448,16 +376,13 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Q')).toBeInTheDocument()
       expect(screen.getByText('Q?')).toBeInTheDocument()
     })
   })
 
-  // Tests for edge cases
   describe('Edge Cases', () => {
     it('should handle empty child contents array', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.parentChild}
@@ -468,15 +393,12 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert - should render without errors
       expect(screen.getByText(/Parent-Chunk-01/)).toBeInTheDocument()
     })
 
     it('should handle QA chunk with empty strings', () => {
-      // Arrange
       const emptyQA: QAChunk = { question: '', answer: '' }
 
-      // Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.qa}
@@ -486,17 +408,14 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Q')).toBeInTheDocument()
       expect(screen.getByText('A')).toBeInTheDocument()
     })
 
     it('should handle very long content', () => {
-      // Arrange
       const longContent = 'A'.repeat(10000)
       const longContentChunk = { content: longContent }
 
-      // Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -506,12 +425,10 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(longContent)).toBeInTheDocument()
     })
 
     it('should handle zero word count', () => {
-      // Arrange & Act
       render(
         <ChunkCard
           chunkType={ChunkingMode.text}
@@ -521,28 +438,20 @@ describe('ChunkCard', () => {
         />,
       )
 
-      // Assert - formatNumber returns falsy for 0, so it shows 0
       expect(screen.getByText(/0\s+(?:\S.*)?characters/)).toBeInTheDocument()
     })
   })
 })
 
-// =============================================================================
-// ChunkCardList Component Tests
-// =============================================================================
-
 describe('ChunkCardList', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // Tests for rendering with different chunk types
   describe('Rendering', () => {
     it('should render text chunks correctly', () => {
-      // Arrange
       const chunks = createGeneralChunks()
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -550,17 +459,14 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(chunks[0].content)).toBeInTheDocument()
       expect(screen.getByText(chunks[1].content)).toBeInTheDocument()
       expect(screen.getByText(chunks[2].content)).toBeInTheDocument()
     })
 
     it('should render parent-child chunks correctly', () => {
-      // Arrange
       const chunks = createParentChildChunks()
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.parentChild}
@@ -569,17 +475,14 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - should render child contents from parent-child chunks
       expect(screen.getByText('Child content 1')).toBeInTheDocument()
       expect(screen.getByText('Child content 2')).toBeInTheDocument()
       expect(screen.getByText('Another child 1')).toBeInTheDocument()
     })
 
     it('should render QA chunks correctly', () => {
-      // Arrange
       const chunks = createQAChunks()
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.qa}
@@ -587,7 +490,6 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('What is the answer to life?')).toBeInTheDocument()
       expect(screen.getByText('The answer is 42.')).toBeInTheDocument()
       expect(screen.getByText('How does this work?')).toBeInTheDocument()
@@ -595,16 +497,13 @@ describe('ChunkCardList', () => {
     })
   })
 
-  // Tests for chunkList memoization
   describe('Memoization - chunkList', () => {
     it('should extract chunks from GeneralChunks for text mode', () => {
-      // Arrange
       const chunks: GeneralChunks = [
         { content: 'Chunk 1' },
         { content: 'Chunk 2' },
       ]
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -612,20 +511,17 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Chunk 1')).toBeInTheDocument()
       expect(screen.getByText('Chunk 2')).toBeInTheDocument()
     })
 
     it('should extract parent_child_chunks from ParentChildChunks for parentChild mode', () => {
-      // Arrange
       const chunks = createParentChildChunks({
         parent_child_chunks: [
           createParentChildChunk({ child_contents: ['Specific child'] }),
         ],
       })
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.parentChild}
@@ -634,19 +530,16 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Specific child')).toBeInTheDocument()
     })
 
     it('should extract qa_chunks from QAChunks for qa mode', () => {
-      // Arrange
       const chunks: QAChunks = {
         qa_chunks: [
           { question: 'Specific Q', answer: 'Specific A' },
         ],
       }
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.qa}
@@ -654,13 +547,11 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Specific Q')).toBeInTheDocument()
       expect(screen.getByText('Specific A')).toBeInTheDocument()
     })
 
     it('should update chunkList when chunkInfo changes', () => {
-      // Arrange
       const initialChunks = createGeneralChunks([{ content: 'Initial chunk' }])
 
       const { rerender } = render(
@@ -670,10 +561,8 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert initial state
       expect(screen.getByText('Initial chunk')).toBeInTheDocument()
 
-      // Act - update chunks
       const updatedChunks = createGeneralChunks([{ content: 'Updated chunk' }])
       rerender(
         <ChunkCardList
@@ -682,19 +571,15 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert updated state
       expect(screen.getByText('Updated chunk')).toBeInTheDocument()
       expect(screen.queryByText('Initial chunk')).not.toBeInTheDocument()
     })
   })
 
-  // Tests for getWordCount function
   describe('Word Count Calculation', () => {
     it('should calculate word count for text chunks using string length', () => {
-      // Arrange - "Hello" has 5 characters
       const chunks = createGeneralChunks([{ content: 'Hello' }])
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -702,12 +587,10 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - word count should be 5 (string length)
       expect(screen.getByText(/5\s+(?:\S.*)?characters/)).toBeInTheDocument()
     })
 
     it('should calculate word count for parent-child chunks using parent_content length', () => {
-      // Arrange - parent_content length determines word count
       const chunks = createParentChildChunks({
         parent_child_chunks: [
           createParentChildChunk({
@@ -717,7 +600,6 @@ describe('ChunkCardList', () => {
         ],
       })
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.parentChild}
@@ -726,19 +608,16 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - word count should be 6 (parent_content length)
       expect(screen.getByText(/6\s+(?:\S.*)?characters/)).toBeInTheDocument()
     })
 
     it('should calculate word count for QA chunks using question + answer length', () => {
-      // Arrange - "Hi" (2) + "Bye" (3) = 5
       const chunks: QAChunks = {
         qa_chunks: [
           { question: 'Hi', answer: 'Bye' },
         ],
       }
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.qa}
@@ -746,22 +625,18 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - word count should be 5 (question.length + answer.length)
       expect(screen.getByText(/5\s+(?:\S.*)?characters/)).toBeInTheDocument()
     })
   })
 
-  // Tests for position ID assignment
   describe('Position ID', () => {
     it('should assign 1-based position IDs to chunks', () => {
-      // Arrange
       const chunks = createGeneralChunks([
         { content: 'First' },
         { content: 'Second' },
         { content: 'Third' },
       ])
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -769,20 +644,16 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - position IDs should be 1, 2, 3
       expect(screen.getByText(/Chunk-01/)).toBeInTheDocument()
       expect(screen.getByText(/Chunk-02/)).toBeInTheDocument()
       expect(screen.getByText(/Chunk-03/)).toBeInTheDocument()
     })
   })
 
-  // Tests for className prop
   describe('Custom className', () => {
     it('should apply custom className to container', () => {
-      // Arrange
       const chunks = createGeneralChunks([{ content: 'Test' }])
 
-      // Act
       const { container } = render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -791,15 +662,12 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(container.firstChild).toHaveClass('custom-class')
     })
 
     it('should merge custom className with default classes', () => {
-      // Arrange
       const chunks = createGeneralChunks([{ content: 'Test' }])
 
-      // Act
       const { container } = render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -808,7 +676,6 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - should have both default and custom classes
       expect(container.firstChild).toHaveClass('flex')
       expect(container.firstChild).toHaveClass('w-full')
       expect(container.firstChild).toHaveClass('flex-col')
@@ -816,10 +683,8 @@ describe('ChunkCardList', () => {
     })
 
     it('should render without className prop', () => {
-      // Arrange
       const chunks = createGeneralChunks([{ content: 'Test' }])
 
-      // Act
       const { container } = render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -827,19 +692,15 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - should have default classes
       expect(container.firstChild).toHaveClass('flex')
       expect(container.firstChild).toHaveClass('w-full')
     })
   })
 
-  // Tests for parentMode prop
   describe('Parent Mode', () => {
     it('should pass parentMode to ChunkCard for parent-child type', () => {
-      // Arrange
       const chunks = createParentChildChunks()
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.parentChild}
@@ -848,15 +709,12 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - paragraph mode shows Parent-Chunk label
       expect(screen.getAllByText(/Parent-Chunk/).length).toBeGreaterThan(0)
     })
 
     it('should handle full-doc parentMode', () => {
-      // Arrange
       const chunks = createParentChildChunks()
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.parentChild}
@@ -865,16 +723,13 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - full-doc mode hides chunk labels
       expect(screen.queryByText(/Parent-Chunk/)).not.toBeInTheDocument()
       expect(screen.queryByText(/Chunk-/)).not.toBeInTheDocument()
     })
 
     it('should not use parentMode for text type', () => {
-      // Arrange
       const chunks = createGeneralChunks([{ content: 'Text' }])
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -883,18 +738,14 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - should show Chunk label, not affected by parentMode
       expect(screen.getByText(/Chunk-01/)).toBeInTheDocument()
     })
   })
 
-  // Tests for edge cases
   describe('Edge Cases', () => {
     it('should handle empty GeneralChunks array', () => {
-      // Arrange
       const chunks: GeneralChunks = []
 
-      // Act
       const { container } = render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -902,19 +753,16 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - should render empty container
       expect(container.firstChild).toBeInTheDocument()
       expect(container.firstChild?.childNodes.length).toBe(0)
     })
 
     it('should handle empty ParentChildChunks', () => {
-      // Arrange
       const chunks: ParentChildChunks = {
         parent_child_chunks: [],
         parent_mode: 'paragraph',
       }
 
-      // Act
       const { container } = render(
         <ChunkCardList
           chunkType={ChunkingMode.parentChild}
@@ -923,18 +771,15 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(container.firstChild).toBeInTheDocument()
       expect(container.firstChild?.childNodes.length).toBe(0)
     })
 
     it('should handle empty QAChunks', () => {
-      // Arrange
       const chunks: QAChunks = {
         qa_chunks: [],
       }
 
-      // Act
       const { container } = render(
         <ChunkCardList
           chunkType={ChunkingMode.qa}
@@ -942,16 +787,13 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(container.firstChild).toBeInTheDocument()
       expect(container.firstChild?.childNodes.length).toBe(0)
     })
 
     it('should handle single item in chunks', () => {
-      // Arrange
       const chunks = createGeneralChunks([{ content: 'Single chunk' }])
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -959,16 +801,13 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Single chunk')).toBeInTheDocument()
       expect(screen.getByText(/Chunk-01/)).toBeInTheDocument()
     })
 
     it('should handle large number of chunks', () => {
-      // Arrange
       const chunks = Array.from({ length: 100 }, (_, i) => ({ content: `Chunk number ${i + 1}` }))
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -976,23 +815,19 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Chunk number 1')).toBeInTheDocument()
       expect(screen.getByText('Chunk number 100')).toBeInTheDocument()
       expect(screen.getByText(/Chunk-100/)).toBeInTheDocument()
     })
   })
 
-  // Tests for key uniqueness
   describe('Key Generation', () => {
     it('should generate unique keys for chunks', () => {
-      // Arrange - chunks with same content
       const chunks = createGeneralChunks([
         { content: 'Same content' },
         { content: 'Same content' },
         { content: 'Same content' },
       ])
-      // Act
       const { container } = render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -1000,33 +835,25 @@ describe('ChunkCardList', () => {
         />,
       )
 
-      // Assert - all three should render (keys are based on chunkType-index)
       const chunkCards = container.querySelectorAll('.bg-components-panel-bg')
       expect(chunkCards.length).toBe(3)
     })
   })
 })
 
-// =============================================================================
-// Integration Tests
-// =============================================================================
-
 describe('ChunkCardList Integration', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // Tests for complete workflow scenarios
   describe('Complete Workflows', () => {
     it('should render complete text chunking workflow', () => {
-      // Arrange
       const textChunks = createGeneralChunks([
         { content: 'First paragraph of the document.' },
         { content: 'Second paragraph with more information.' },
         { content: 'Final paragraph concluding the content.' },
       ])
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.text}
@@ -1034,10 +861,8 @@ describe('ChunkCardList Integration', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('First paragraph of the document.')).toBeInTheDocument()
       expect(screen.getByText(/Chunk-01/)).toBeInTheDocument()
-      // "First paragraph of the document." = 32 characters
       expect(screen.getByText(/32\s+(?:\S.*)?characters/)).toBeInTheDocument()
 
       expect(screen.getByText('Second paragraph with more information.')).toBeInTheDocument()
@@ -1048,7 +873,6 @@ describe('ChunkCardList Integration', () => {
     })
 
     it('should render complete parent-child chunking workflow', () => {
-      // Arrange
       const parentChildChunks = createParentChildChunks({
         parent_child_chunks: [
           {
@@ -1062,7 +886,6 @@ describe('ChunkCardList Integration', () => {
         ],
       })
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.parentChild}
@@ -1071,7 +894,6 @@ describe('ChunkCardList Integration', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('React components are building blocks.')).toBeInTheDocument()
       expect(screen.getByText('Lifecycle methods control component behavior.')).toBeInTheDocument()
       expect(screen.getByText('C-1')).toBeInTheDocument()
@@ -1080,7 +902,6 @@ describe('ChunkCardList Integration', () => {
     })
 
     it('should render complete QA chunking workflow', () => {
-      // Arrange
       const qaChunks = createQAChunks({
         qa_chunks: [
           {
@@ -1094,7 +915,6 @@ describe('ChunkCardList Integration', () => {
         ],
       })
 
-      // Act
       render(
         <ChunkCardList
           chunkType={ChunkingMode.qa}
@@ -1102,7 +922,6 @@ describe('ChunkCardList Integration', () => {
         />,
       )
 
-      // Assert
       const qLabels = screen.getAllByText('Q')
       const aLabels = screen.getAllByText('A')
       expect(qLabels.length).toBe(2)
@@ -1115,10 +934,8 @@ describe('ChunkCardList Integration', () => {
     })
   })
 
-  // Tests for type switching scenarios
   describe('Type Switching', () => {
     it('should handle switching from text to QA type', () => {
-      // Arrange
       const textChunks = createGeneralChunks([{ content: 'Text content' }])
       const qaChunks = createQAChunks()
 
@@ -1129,10 +946,8 @@ describe('ChunkCardList Integration', () => {
         />,
       )
 
-      // Assert initial text state
       expect(screen.getByText('Text content')).toBeInTheDocument()
 
-      // Act - switch to QA
       rerender(
         <ChunkCardList
           chunkType={ChunkingMode.qa}
@@ -1140,13 +955,11 @@ describe('ChunkCardList Integration', () => {
         />,
       )
 
-      // Assert QA state
       expect(screen.queryByText('Text content')).not.toBeInTheDocument()
       expect(screen.getByText('What is the answer to life?')).toBeInTheDocument()
     })
 
     it('should handle switching from text to parent-child type', () => {
-      // Arrange
       const textChunks = createGeneralChunks([{ content: 'Simple text' }])
       const parentChildChunks = createParentChildChunks()
 
@@ -1157,11 +970,9 @@ describe('ChunkCardList Integration', () => {
         />,
       )
 
-      // Assert initial state
       expect(screen.getByText('Simple text')).toBeInTheDocument()
       expect(screen.getByText(/Chunk-01/)).toBeInTheDocument()
 
-      // Act - switch to parent-child
       rerender(
         <ChunkCardList
           chunkType={ChunkingMode.parentChild}
@@ -1170,9 +981,7 @@ describe('ChunkCardList Integration', () => {
         />,
       )
 
-      // Assert parent-child state
       expect(screen.queryByText('Simple text')).not.toBeInTheDocument()
-      // Multiple Parent-Chunk elements exist, so use getAllByText
       expect(screen.getAllByText(/Parent-Chunk/).length).toBeGreaterThan(0)
     })
   })
diff --git a/web/app/components/rag-pipeline/components/panel/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/__tests__/index.spec.tsx
similarity index 76%
rename from web/app/components/rag-pipeline/components/panel/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/__tests__/index.spec.tsx
index 11f9f8b2c4..f651b16697 100644
--- a/web/app/components/rag-pipeline/components/panel/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/__tests__/index.spec.tsx
@@ -1,13 +1,8 @@
 import type { PanelProps } from '@/app/components/workflow/panel'
 import { render, screen, waitFor } from '@testing-library/react'
 import * as React from 'react'
-import RagPipelinePanel from './index'
+import RagPipelinePanel from '../index'
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock reactflow to avoid zustand provider error
 vi.mock('reactflow', () => ({
   useNodes: () => [],
   useStoreApi: () => ({
@@ -26,20 +21,12 @@ vi.mock('reactflow', () => ({
   },
 }))
 
-// Use vi.hoisted to create variables that can be used in vi.mock
 const { dynamicMocks, mockInputFieldEditorProps } = vi.hoisted(() => {
   let counter = 0
   const mockInputFieldEditorProps = vi.fn()
 
   const createMockComponent = () => {
     const index = counter++
-    // Order matches the imports in index.tsx:
-    // 0: Record
-    // 1: TestRunPanel
-    // 2: InputFieldPanel
-    // 3: InputFieldEditorPanel
-    // 4: PreviewPanel
-    // 5: GlobalVariablePanel
     switch (index) {
       case 0:
         return () => <div data-testid="record-panel">Record Panel</div>
@@ -69,14 +56,12 @@ const { dynamicMocks, mockInputFieldEditorProps } = vi.hoisted(() => {
   return { dynamicMocks: { createMockComponent }, mockInputFieldEditorProps }
 })
 
-// Mock next/dynamic
 vi.mock('next/dynamic', () => ({
   default: (_loader: () => Promise<{ default: React.ComponentType }>, _options?: Record<string, unknown>) => {
     return dynamicMocks.createMockComponent()
   },
 }))
 
-// Mock workflow store
 let mockHistoryWorkflowData: Record<string, unknown> | null = null
 let mockShowDebugAndPreviewPanel = false
 let mockShowGlobalVariablePanel = false
@@ -138,7 +123,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock Panel component to capture props and render children
 let capturedPanelProps: PanelProps | null = null
 vi.mock('@/app/components/workflow/panel', () => ({
   default: (props: PanelProps) => {
@@ -152,10 +136,6 @@ vi.mock('@/app/components/workflow/panel', () => ({
   },
 }))
 
-// ============================================================================
-// Helper Functions
-// ============================================================================
-
 type SetupMockOptions = {
   historyWorkflowData?: Record<string, unknown> | null
   showDebugAndPreviewPanel?: boolean
@@ -177,35 +157,24 @@ const setupMocks = (options?: SetupMockOptions) => {
   capturedPanelProps = null
 }
 
-// ============================================================================
-// RagPipelinePanel Component Tests
-// ============================================================================
-
 describe('RagPipelinePanel', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     setupMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', async () => {
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('workflow-panel')).toBeInTheDocument()
       })
     })
 
     it('should render Panel component with correct structure', async () => {
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('panel-left')).toBeInTheDocument()
         expect(screen.getByTestId('panel-right')).toBeInTheDocument()
@@ -213,13 +182,10 @@ describe('RagPipelinePanel', () => {
     })
 
     it('should pass versionHistoryPanelProps to Panel', async () => {
-      // Arrange
       setupMocks({ pipelineId: 'my-pipeline-456' })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(capturedPanelProps?.versionHistoryPanelProps).toBeDefined()
         expect(capturedPanelProps?.versionHistoryPanelProps?.getVersionListUrl).toBe(
@@ -229,18 +195,12 @@ describe('RagPipelinePanel', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests - versionHistoryPanelProps
-  // -------------------------------------------------------------------------
   describe('Memoization - versionHistoryPanelProps', () => {
     it('should compute correct getVersionListUrl based on pipelineId', async () => {
-      // Arrange
       setupMocks({ pipelineId: 'pipeline-abc' })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(capturedPanelProps?.versionHistoryPanelProps?.getVersionListUrl).toBe(
           '/rag/pipelines/pipeline-abc/workflows',
@@ -249,13 +209,10 @@ describe('RagPipelinePanel', () => {
     })
 
     it('should compute correct deleteVersionUrl function', async () => {
-      // Arrange
       setupMocks({ pipelineId: 'pipeline-xyz' })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         const deleteUrl = capturedPanelProps?.versionHistoryPanelProps?.deleteVersionUrl?.('version-1')
         expect(deleteUrl).toBe('/rag/pipelines/pipeline-xyz/workflows/version-1')
@@ -263,13 +220,10 @@ describe('RagPipelinePanel', () => {
     })
 
     it('should compute correct updateVersionUrl function', async () => {
-      // Arrange
       setupMocks({ pipelineId: 'pipeline-def' })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         const updateUrl = capturedPanelProps?.versionHistoryPanelProps?.updateVersionUrl?.('version-2')
         expect(updateUrl).toBe('/rag/pipelines/pipeline-def/workflows/version-2')
@@ -277,63 +231,46 @@ describe('RagPipelinePanel', () => {
     })
 
     it('should set latestVersionId to empty string', async () => {
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(capturedPanelProps?.versionHistoryPanelProps?.latestVersionId).toBe('')
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests - panelProps
-  // -------------------------------------------------------------------------
   describe('Memoization - panelProps', () => {
     it('should pass components.left to Panel', async () => {
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(capturedPanelProps?.components?.left).toBeDefined()
       })
     })
 
     it('should pass components.right to Panel', async () => {
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(capturedPanelProps?.components?.right).toBeDefined()
       })
     })
 
     it('should pass versionHistoryPanelProps to panelProps', async () => {
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(capturedPanelProps?.versionHistoryPanelProps).toBeDefined()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Component Memoization Tests (React.memo)
-  // -------------------------------------------------------------------------
   describe('Component Memoization', () => {
     it('should be wrapped with React.memo', async () => {
-      // The component should not break when re-rendered
       const { rerender } = render(<RagPipelinePanel />)
 
-      // Act - rerender without prop changes
       rerender(<RagPipelinePanel />)
 
-      // Assert - component should still render correctly
       await waitFor(() => {
         expect(screen.getByTestId('workflow-panel')).toBeInTheDocument()
       })
@@ -341,138 +278,98 @@ describe('RagPipelinePanel', () => {
   })
 })
 
-// ============================================================================
-// RagPipelinePanelOnRight Component Tests
-// ============================================================================
-
 describe('RagPipelinePanelOnRight', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     setupMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Conditional Rendering - Record Panel
-  // -------------------------------------------------------------------------
   describe('Record Panel Conditional Rendering', () => {
     it('should render Record panel when historyWorkflowData exists', async () => {
-      // Arrange
       setupMocks({ historyWorkflowData: { id: 'history-1' } })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('record-panel')).toBeInTheDocument()
       })
     })
 
     it('should not render Record panel when historyWorkflowData is null', async () => {
-      // Arrange
       setupMocks({ historyWorkflowData: null })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('record-panel')).not.toBeInTheDocument()
       })
     })
 
     it('should not render Record panel when historyWorkflowData is undefined', async () => {
-      // Arrange
       setupMocks({ historyWorkflowData: undefined })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('record-panel')).not.toBeInTheDocument()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Conditional Rendering - TestRun Panel
-  // -------------------------------------------------------------------------
   describe('TestRun Panel Conditional Rendering', () => {
     it('should render TestRun panel when showDebugAndPreviewPanel is true', async () => {
-      // Arrange
       setupMocks({ showDebugAndPreviewPanel: true })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('test-run-panel')).toBeInTheDocument()
       })
     })
 
     it('should not render TestRun panel when showDebugAndPreviewPanel is false', async () => {
-      // Arrange
       setupMocks({ showDebugAndPreviewPanel: false })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('test-run-panel')).not.toBeInTheDocument()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Conditional Rendering - GlobalVariable Panel
-  // -------------------------------------------------------------------------
   describe('GlobalVariable Panel Conditional Rendering', () => {
     it('should render GlobalVariable panel when showGlobalVariablePanel is true', async () => {
-      // Arrange
       setupMocks({ showGlobalVariablePanel: true })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('global-variable-panel')).toBeInTheDocument()
       })
     })
 
     it('should not render GlobalVariable panel when showGlobalVariablePanel is false', async () => {
-      // Arrange
       setupMocks({ showGlobalVariablePanel: false })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('global-variable-panel')).not.toBeInTheDocument()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Multiple Panels Rendering
-  // -------------------------------------------------------------------------
   describe('Multiple Panels Rendering', () => {
     it('should render all right panels when all conditions are true', async () => {
-      // Arrange
       setupMocks({
         historyWorkflowData: { id: 'history-1' },
         showDebugAndPreviewPanel: true,
         showGlobalVariablePanel: true,
       })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('record-panel')).toBeInTheDocument()
         expect(screen.getByTestId('test-run-panel')).toBeInTheDocument()
@@ -481,17 +378,14 @@ describe('RagPipelinePanelOnRight', () => {
     })
 
     it('should render no right panels when all conditions are false', async () => {
-      // Arrange
       setupMocks({
         historyWorkflowData: null,
         showDebugAndPreviewPanel: false,
         showGlobalVariablePanel: false,
       })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('record-panel')).not.toBeInTheDocument()
         expect(screen.queryByTestId('test-run-panel')).not.toBeInTheDocument()
@@ -500,17 +394,14 @@ describe('RagPipelinePanelOnRight', () => {
     })
 
     it('should render only Record and TestRun panels', async () => {
-      // Arrange
       setupMocks({
         historyWorkflowData: { id: 'history-1' },
         showDebugAndPreviewPanel: true,
         showGlobalVariablePanel: false,
       })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('record-panel')).toBeInTheDocument()
         expect(screen.getByTestId('test-run-panel')).toBeInTheDocument()
@@ -520,53 +411,36 @@ describe('RagPipelinePanelOnRight', () => {
   })
 })
 
-// ============================================================================
-// RagPipelinePanelOnLeft Component Tests
-// ============================================================================
-
 describe('RagPipelinePanelOnLeft', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     setupMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Conditional Rendering - Preview Panel
-  // -------------------------------------------------------------------------
   describe('Preview Panel Conditional Rendering', () => {
     it('should render Preview panel when showInputFieldPreviewPanel is true', async () => {
-      // Arrange
       setupMocks({ showInputFieldPreviewPanel: true })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('preview-panel')).toBeInTheDocument()
       })
     })
 
     it('should not render Preview panel when showInputFieldPreviewPanel is false', async () => {
-      // Arrange
       setupMocks({ showInputFieldPreviewPanel: false })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('preview-panel')).not.toBeInTheDocument()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Conditional Rendering - InputFieldEditor Panel
-  // -------------------------------------------------------------------------
   describe('InputFieldEditor Panel Conditional Rendering', () => {
     it('should render InputFieldEditor panel when inputFieldEditPanelProps is provided', async () => {
-      // Arrange
       const editProps = {
         onClose: vi.fn(),
         onSubmit: vi.fn(),
@@ -574,30 +448,24 @@ describe('RagPipelinePanelOnLeft', () => {
       }
       setupMocks({ inputFieldEditPanelProps: editProps })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('input-field-editor-panel')).toBeInTheDocument()
       })
     })
 
     it('should not render InputFieldEditor panel when inputFieldEditPanelProps is null', async () => {
-      // Arrange
       setupMocks({ inputFieldEditPanelProps: null })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('input-field-editor-panel')).not.toBeInTheDocument()
       })
     })
 
     it('should pass props to InputFieldEditor panel', async () => {
-      // Arrange
       const editProps = {
         onClose: vi.fn(),
         onSubmit: vi.fn(),
@@ -605,10 +473,8 @@ describe('RagPipelinePanelOnLeft', () => {
       }
       setupMocks({ inputFieldEditPanelProps: editProps })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(mockInputFieldEditorProps).toHaveBeenCalledWith(
           expect.objectContaining({
@@ -621,53 +487,38 @@ describe('RagPipelinePanelOnLeft', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Conditional Rendering - InputField Panel
-  // -------------------------------------------------------------------------
   describe('InputField Panel Conditional Rendering', () => {
     it('should render InputField panel when showInputFieldPanel is true', async () => {
-      // Arrange
       setupMocks({ showInputFieldPanel: true })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('input-field-panel')).toBeInTheDocument()
       })
     })
 
     it('should not render InputField panel when showInputFieldPanel is false', async () => {
-      // Arrange
       setupMocks({ showInputFieldPanel: false })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('input-field-panel')).not.toBeInTheDocument()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Multiple Panels Rendering
-  // -------------------------------------------------------------------------
   describe('Multiple Left Panels Rendering', () => {
     it('should render all left panels when all conditions are true', async () => {
-      // Arrange
       setupMocks({
         showInputFieldPreviewPanel: true,
         inputFieldEditPanelProps: { onClose: vi.fn(), onSubmit: vi.fn() },
         showInputFieldPanel: true,
       })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('preview-panel')).toBeInTheDocument()
         expect(screen.getByTestId('input-field-editor-panel')).toBeInTheDocument()
@@ -676,17 +527,14 @@ describe('RagPipelinePanelOnLeft', () => {
     })
 
     it('should render no left panels when all conditions are false', async () => {
-      // Arrange
       setupMocks({
         showInputFieldPreviewPanel: false,
         inputFieldEditPanelProps: null,
         showInputFieldPanel: false,
       })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('preview-panel')).not.toBeInTheDocument()
         expect(screen.queryByTestId('input-field-editor-panel')).not.toBeInTheDocument()
@@ -695,17 +543,14 @@ describe('RagPipelinePanelOnLeft', () => {
     })
 
     it('should render only Preview and InputField panels', async () => {
-      // Arrange
       setupMocks({
         showInputFieldPreviewPanel: true,
         inputFieldEditPanelProps: null,
         showInputFieldPanel: true,
       })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('preview-panel')).toBeInTheDocument()
         expect(screen.queryByTestId('input-field-editor-panel')).not.toBeInTheDocument()
@@ -715,28 +560,18 @@ describe('RagPipelinePanelOnLeft', () => {
   })
 })
 
-// ============================================================================
-// Edge Cases Tests
-// ============================================================================
-
 describe('Edge Cases', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     setupMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Empty/Undefined Values
-  // -------------------------------------------------------------------------
   describe('Empty/Undefined Values', () => {
     it('should handle empty pipelineId gracefully', async () => {
-      // Arrange
       setupMocks({ pipelineId: '' })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(capturedPanelProps?.versionHistoryPanelProps?.getVersionListUrl).toBe(
           '/rag/pipelines//workflows',
@@ -745,13 +580,10 @@ describe('Edge Cases', () => {
     })
 
     it('should handle special characters in pipelineId', async () => {
-      // Arrange
       setupMocks({ pipelineId: 'pipeline-with-special_chars.123' })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(capturedPanelProps?.versionHistoryPanelProps?.getVersionListUrl).toBe(
           '/rag/pipelines/pipeline-with-special_chars.123/workflows',
@@ -760,12 +592,8 @@ describe('Edge Cases', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Spreading Tests
-  // -------------------------------------------------------------------------
   describe('Props Spreading', () => {
     it('should correctly spread inputFieldEditPanelProps to editor component', async () => {
-      // Arrange
       const customProps = {
         onClose: vi.fn(),
         onSubmit: vi.fn(),
@@ -778,10 +606,8 @@ describe('Edge Cases', () => {
       }
       setupMocks({ inputFieldEditPanelProps: customProps })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert
       await waitFor(() => {
         expect(mockInputFieldEditorProps).toHaveBeenCalledWith(
           expect.objectContaining({
@@ -792,12 +618,8 @@ describe('Edge Cases', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // State Combinations
-  // -------------------------------------------------------------------------
   describe('State Combinations', () => {
     it('should handle all panels visible simultaneously', async () => {
-      // Arrange
       setupMocks({
         historyWorkflowData: { id: 'h1' },
         showDebugAndPreviewPanel: true,
@@ -807,10 +629,8 @@ describe('Edge Cases', () => {
         showInputFieldPanel: true,
       })
 
-      // Act
       render(<RagPipelinePanel />)
 
-      // Assert - All panels should be visible
       await waitFor(() => {
         expect(screen.getByTestId('record-panel')).toBeInTheDocument()
         expect(screen.getByTestId('test-run-panel')).toBeInTheDocument()
@@ -823,10 +643,6 @@ describe('Edge Cases', () => {
   })
 })
 
-// ============================================================================
-// URL Generator Functions Tests
-// ============================================================================
-
 describe('URL Generator Functions', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -834,13 +650,10 @@ describe('URL Generator Functions', () => {
   })
 
   it('should return consistent URLs for same versionId', async () => {
-    // Arrange
     setupMocks({ pipelineId: 'stable-pipeline' })
 
-    // Act
     render(<RagPipelinePanel />)
 
-    // Assert
     await waitFor(() => {
       const deleteUrl1 = capturedPanelProps?.versionHistoryPanelProps?.deleteVersionUrl?.('version-x')
       const deleteUrl2 = capturedPanelProps?.versionHistoryPanelProps?.deleteVersionUrl?.('version-x')
@@ -849,13 +662,10 @@ describe('URL Generator Functions', () => {
   })
 
   it('should return different URLs for different versionIds', async () => {
-    // Arrange
     setupMocks({ pipelineId: 'stable-pipeline' })
 
-    // Act
     render(<RagPipelinePanel />)
 
-    // Assert
     await waitFor(() => {
       const deleteUrl1 = capturedPanelProps?.versionHistoryPanelProps?.deleteVersionUrl?.('version-1')
       const deleteUrl2 = capturedPanelProps?.versionHistoryPanelProps?.deleteVersionUrl?.('version-2')
@@ -866,10 +676,6 @@ describe('URL Generator Functions', () => {
   })
 })
 
-// ============================================================================
-// Type Safety Tests
-// ============================================================================
-
 describe('Type Safety', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -877,10 +683,8 @@ describe('Type Safety', () => {
   })
 
   it('should pass correct PanelProps structure', async () => {
-    // Act
     render(<RagPipelinePanel />)
 
-    // Assert - Check structure matches PanelProps
     await waitFor(() => {
       expect(capturedPanelProps).toHaveProperty('components')
       expect(capturedPanelProps).toHaveProperty('versionHistoryPanelProps')
@@ -890,10 +694,8 @@ describe('Type Safety', () => {
   })
 
   it('should pass correct versionHistoryPanelProps structure', async () => {
-    // Act
     render(<RagPipelinePanel />)
 
-    // Assert
     await waitFor(() => {
       expect(capturedPanelProps?.versionHistoryPanelProps).toHaveProperty('getVersionListUrl')
       expect(capturedPanelProps?.versionHistoryPanelProps).toHaveProperty('deleteVersionUrl')
@@ -903,10 +705,6 @@ describe('Type Safety', () => {
   })
 })
 
-// ============================================================================
-// Performance Tests
-// ============================================================================
-
 describe('Performance', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -914,24 +712,17 @@ describe('Performance', () => {
   })
 
   it('should handle multiple rerenders without issues', async () => {
-    // Arrange
     const { rerender } = render(<RagPipelinePanel />)
 
-    // Act - Multiple rerenders
     for (let i = 0; i < 10; i++)
       rerender(<RagPipelinePanel />)
 
-    // Assert - Component should still work
     await waitFor(() => {
       expect(screen.getByTestId('workflow-panel')).toBeInTheDocument()
     })
   })
 })
 
-// ============================================================================
-// Integration Tests
-// ============================================================================
-
 describe('Integration Tests', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -939,28 +730,23 @@ describe('Integration Tests', () => {
   })
 
   it('should pass correct components to Panel', async () => {
-    // Arrange
     setupMocks({
       historyWorkflowData: { id: 'h1' },
       showInputFieldPanel: true,
     })
 
-    // Act
     render(<RagPipelinePanel />)
 
-    // Assert
     await waitFor(() => {
       expect(capturedPanelProps?.components?.left).toBeDefined()
       expect(capturedPanelProps?.components?.right).toBeDefined()
 
-      // Check that the components are React elements
       expect(React.isValidElement(capturedPanelProps?.components?.left)).toBe(true)
       expect(React.isValidElement(capturedPanelProps?.components?.right)).toBe(true)
     })
   })
 
   it('should correctly consume all store selectors', async () => {
-    // Arrange
     setupMocks({
       historyWorkflowData: { id: 'test-history' },
       showDebugAndPreviewPanel: true,
@@ -971,10 +757,8 @@ describe('Integration Tests', () => {
       pipelineId: 'integration-test-pipeline',
     })
 
-    // Act
     render(<RagPipelinePanel />)
 
-    // Assert - All store-dependent rendering should work
     await waitFor(() => {
       expect(screen.getByTestId('record-panel')).toBeInTheDocument()
       expect(screen.getByTestId('test-run-panel')).toBeInTheDocument()
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/footer-tip.spec.tsx b/web/app/components/rag-pipeline/components/panel/input-field/__tests__/footer-tip.spec.tsx
similarity index 94%
rename from web/app/components/rag-pipeline/components/panel/input-field/footer-tip.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/input-field/__tests__/footer-tip.spec.tsx
index 5d5cde9735..f70b9a4a6f 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/footer-tip.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/input-field/__tests__/footer-tip.spec.tsx
@@ -1,6 +1,6 @@
 import { cleanup, render, screen } from '@testing-library/react'
 import { afterEach, describe, expect, it, vi } from 'vitest'
-import FooterTip from './footer-tip'
+import FooterTip from '../footer-tip'
 
 afterEach(() => {
   cleanup()
@@ -45,7 +45,6 @@ describe('FooterTip', () => {
     it('should render the drag icon', () => {
       const { container } = render(<FooterTip />)
 
-      // The RiDragDropLine icon should be rendered
       const icon = container.querySelector('.size-4')
       expect(icon).toBeInTheDocument()
     })
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/hooks.spec.ts b/web/app/components/rag-pipeline/components/panel/input-field/__tests__/hooks.spec.ts
similarity index 87%
rename from web/app/components/rag-pipeline/components/panel/input-field/hooks.spec.ts
rename to web/app/components/rag-pipeline/components/panel/input-field/__tests__/hooks.spec.ts
index 452963ba7f..9f7fb7e902 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/hooks.spec.ts
+++ b/web/app/components/rag-pipeline/components/panel/input-field/__tests__/hooks.spec.ts
@@ -1,8 +1,7 @@
 import { renderHook } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-import { useFloatingRight } from './hooks'
+import { useFloatingRight } from '../hooks'
 
-// Mock reactflow
 const mockGetNodes = vi.fn()
 vi.mock('reactflow', () => ({
   useStore: (selector: (s: { getNodes: () => { id: string, data: { selected: boolean } }[] }) => unknown) => {
@@ -10,12 +9,10 @@ vi.mock('reactflow', () => ({
   },
 }))
 
-// Mock zustand/react/shallow
 vi.mock('zustand/react/shallow', () => ({
   useShallow: (fn: (...args: unknown[]) => unknown) => fn,
 }))
 
-// Mock workflow store
 let mockNodePanelWidth = 400
 let mockWorkflowCanvasWidth: number | undefined = 1200
 let mockOtherPanelWidth = 0
@@ -67,8 +64,6 @@ describe('useFloatingRight', () => {
 
       const { result } = renderHook(() => useFloatingRight(400))
 
-      // leftWidth = 1000 - 0 (no selected node) - 0 - 400 - 4 = 596
-      // 596 >= 404 so floatingRight should be false
       expect(result.current.floatingRight).toBe(false)
     })
   })
@@ -80,8 +75,6 @@ describe('useFloatingRight', () => {
 
       const { result } = renderHook(() => useFloatingRight(400))
 
-      // leftWidth = 1200 - 400 (node panel) - 0 - 400 - 4 = 396
-      // 396 < 404 so floatingRight should be true
       expect(result.current.floatingRight).toBe(true)
     })
   })
@@ -103,7 +96,6 @@ describe('useFloatingRight', () => {
 
       const { result } = renderHook(() => useFloatingRight(600))
 
-      // When floating and no selected node, width = min(600, 0 + 200) = 200
       expect(result.current.floatingRightWidth).toBeLessThanOrEqual(600)
     })
 
@@ -115,7 +107,6 @@ describe('useFloatingRight', () => {
 
       const { result } = renderHook(() => useFloatingRight(600))
 
-      // When floating with selected node, width = min(600, 300 + 100) = 400
       expect(result.current.floatingRightWidth).toBeLessThanOrEqual(600)
     })
   })
@@ -127,7 +118,6 @@ describe('useFloatingRight', () => {
 
       const { result } = renderHook(() => useFloatingRight(400))
 
-      // Should not throw and should maintain initial state
       expect(result.current.floatingRight).toBe(false)
     })
 
@@ -145,7 +135,6 @@ describe('useFloatingRight', () => {
 
       const { result } = renderHook(() => useFloatingRight(10000))
 
-      // Should be floating due to limited space
       expect(result.current.floatingRight).toBe(true)
     })
 
@@ -159,7 +148,6 @@ describe('useFloatingRight', () => {
 
       const { result } = renderHook(() => useFloatingRight(400))
 
-      // Should have selected node so node panel is considered
       expect(result.current).toBeDefined()
     })
   })
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/input-field/__tests__/index.spec.tsx
similarity index 78%
rename from web/app/components/rag-pipeline/components/panel/input-field/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/input-field/__tests__/index.spec.tsx
index 0ff7a06dae..ab99a1eeef 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/input-field/__tests__/index.spec.tsx
@@ -5,19 +5,13 @@ import { fireEvent, render, screen, waitFor } from '@testing-library/react'
 import * as React from 'react'
 import { BlockEnum } from '@/app/components/workflow/types'
 import { PipelineInputVarType } from '@/models/pipeline'
-import InputFieldPanel from './index'
+import InputFieldPanel from '../index'
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock reactflow hooks - use getter to allow dynamic updates
 let mockNodesData: Node<DataSourceNodeType>[] = []
 vi.mock('reactflow', () => ({
   useNodes: () => mockNodesData,
 }))
 
-// Mock useInputFieldPanel hook
 const mockCloseAllInputFieldPanels = vi.fn()
 const mockToggleInputFieldPreviewPanel = vi.fn()
 let mockIsPreviewing = false
@@ -32,7 +26,6 @@ vi.mock('@/app/components/rag-pipeline/hooks', () => ({
   }),
 }))
 
-// Mock useStore (workflow store)
 let mockRagPipelineVariables: RAGPipelineVariables = []
 const mockSetRagPipelineVariables = vi.fn()
 
@@ -56,7 +49,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock useNodesSyncDraft hook
 const mockHandleSyncWorkflowDraft = vi.fn()
 
 vi.mock('@/app/components/workflow/hooks', () => ({
@@ -65,8 +57,7 @@ vi.mock('@/app/components/workflow/hooks', () => ({
   }),
 }))
 
-// Mock FieldList component
-vi.mock('./field-list', () => ({
+vi.mock('../field-list', () => ({
   default: ({
     nodeId,
     LabelRightContent,
@@ -124,13 +115,11 @@ vi.mock('./field-list', () => ({
   ),
 }))
 
-// Mock FooterTip component
-vi.mock('./footer-tip', () => ({
+vi.mock('../footer-tip', () => ({
   default: () => <div data-testid="footer-tip">Footer Tip</div>,
 }))
 
-// Mock Datasource label component
-vi.mock('./label-right-content/datasource', () => ({
+vi.mock('../label-right-content/datasource', () => ({
   default: ({ nodeData }: { nodeData: DataSourceNodeType }) => (
     <div data-testid={`datasource-label-${nodeData.title}`}>
       {nodeData.title}
@@ -138,15 +127,10 @@ vi.mock('./label-right-content/datasource', () => ({
   ),
 }))
 
-// Mock GlobalInputs label component
-vi.mock('./label-right-content/global-inputs', () => ({
+vi.mock('../label-right-content/global-inputs', () => ({
   default: () => <div data-testid="global-inputs-label">Global Inputs</div>,
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 const createInputVar = (overrides?: Partial<InputVar>): InputVar => ({
   type: PipelineInputVarType.textInput,
   label: 'Test Label',
@@ -189,10 +173,6 @@ const createDataSourceNode = (
   } as DataSourceNodeType,
 })
 
-// ============================================================================
-// Helper Functions
-// ============================================================================
-
 const setupMocks = (options?: {
   nodes?: Node<DataSourceNodeType>[]
   ragPipelineVariables?: RAGPipelineVariables
@@ -205,148 +185,110 @@ const setupMocks = (options?: {
   mockIsEditing = options?.isEditing || false
 }
 
-// ============================================================================
-// InputFieldPanel Component Tests
-// ============================================================================
-
 describe('InputFieldPanel', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     setupMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render panel without crashing', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.title'),
       ).toBeInTheDocument()
     })
 
     it('should render panel title correctly', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.title'),
       ).toBeInTheDocument()
     })
 
     it('should render panel description', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.description'),
       ).toBeInTheDocument()
     })
 
     it('should render preview button', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.operations.preview'),
       ).toBeInTheDocument()
     })
 
     it('should render close button', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       const closeButton = screen.getByRole('button', { name: '' })
       expect(closeButton).toBeInTheDocument()
     })
 
     it('should render footer tip component', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('footer-tip')).toBeInTheDocument()
     })
 
     it('should render unique inputs section title', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.uniqueInputs.title'),
       ).toBeInTheDocument()
     })
 
     it('should render global inputs field list', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-shared')).toBeInTheDocument()
       expect(screen.getByTestId('global-inputs-label')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // DataSource Node Rendering Tests
-  // -------------------------------------------------------------------------
   describe('DataSource Node Rendering', () => {
     it('should render field list for each datasource node', () => {
-      // Arrange
       const nodes = [
         createDataSourceNode('node-1', 'DataSource 1'),
         createDataSourceNode('node-2', 'DataSource 2'),
       ]
       setupMocks({ nodes })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-node-1')).toBeInTheDocument()
       expect(screen.getByTestId('field-list-node-2')).toBeInTheDocument()
     })
 
     it('should render datasource label for each node', () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'My DataSource')]
       setupMocks({ nodes })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(
         screen.getByTestId('datasource-label-My DataSource'),
       ).toBeInTheDocument()
     })
 
     it('should not render any datasource field lists when no nodes exist', () => {
-      // Arrange
       setupMocks({ nodes: [] })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.queryByTestId('field-list-node-1')).not.toBeInTheDocument()
-      // Global inputs should still render
       expect(screen.getByTestId('field-list-shared')).toBeInTheDocument()
     })
 
     it('should filter only DataSource type nodes', () => {
-      // Arrange
       const dataSourceNode = createDataSourceNode('ds-node', 'DataSource Node')
-      // Create a non-datasource node to verify filtering
       const otherNode = {
         id: 'other-node',
         type: 'custom',
@@ -359,10 +301,8 @@ describe('InputFieldPanel', () => {
       } as Node<DataSourceNodeType>
       mockNodesData = [dataSourceNode, otherNode]
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-ds-node')).toBeInTheDocument()
       expect(
         screen.queryByTestId('field-list-other-node'),
@@ -370,12 +310,8 @@ describe('InputFieldPanel', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Input Fields Map Tests
-  // -------------------------------------------------------------------------
   describe('Input Fields Map', () => {
     it('should correctly distribute variables to their nodes', () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       const variables = [
         createRAGPipelineVariable('node-1', { variable: 'var1' }),
@@ -384,28 +320,22 @@ describe('InputFieldPanel', () => {
       ]
       setupMocks({ nodes, ragPipelineVariables: variables })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-fields-count-node-1')).toHaveTextContent('2')
       expect(screen.getByTestId('field-list-fields-count-shared')).toHaveTextContent('1')
     })
 
     it('should show zero fields for nodes without variables', () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       setupMocks({ nodes, ragPipelineVariables: [] })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-fields-count-node-1')).toHaveTextContent('0')
     })
 
     it('should pass all variable names to field lists', () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       const variables = [
         createRAGPipelineVariable('node-1', { variable: 'var1' }),
@@ -413,10 +343,8 @@ describe('InputFieldPanel', () => {
       ]
       setupMocks({ nodes, ragPipelineVariables: variables })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-all-vars-node-1')).toHaveTextContent(
         'var1,var2',
       )
@@ -426,48 +354,35 @@ describe('InputFieldPanel', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interactions Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
-    // Helper to identify close button by its class
     const isCloseButton = (btn: HTMLElement) =>
       btn.classList.contains('size-6')
       || btn.className.includes('shrink-0 items-center justify-center p-0.5')
 
     it('should call closeAllInputFieldPanels when close button is clicked', () => {
-      // Arrange
       render(<InputFieldPanel />)
       const buttons = screen.getAllByRole('button')
       const closeButton = buttons.find(isCloseButton)
 
-      // Act
       fireEvent.click(closeButton!)
 
-      // Assert
       expect(mockCloseAllInputFieldPanels).toHaveBeenCalledTimes(1)
     })
 
     it('should call toggleInputFieldPreviewPanel when preview button is clicked', () => {
-      // Arrange
       render(<InputFieldPanel />)
       const previewButton = screen.getByText('datasetPipeline.operations.preview')
 
-      // Act
       fireEvent.click(previewButton)
 
-      // Assert
       expect(mockToggleInputFieldPreviewPanel).toHaveBeenCalledTimes(1)
     })
 
     it('should disable preview button when editing', () => {
-      // Arrange
       setupMocks({ isEditing: true })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       const previewButton = screen
         .getByText('datasetPipeline.operations.preview')
         .closest('button')
@@ -475,13 +390,10 @@ describe('InputFieldPanel', () => {
     })
 
     it('should not disable preview button when not editing', () => {
-      // Arrange
       setupMocks({ isEditing: false })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       const previewButton = screen
         .getByText('datasetPipeline.operations.preview')
         .closest('button')
@@ -489,18 +401,12 @@ describe('InputFieldPanel', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Preview State Tests
-  // -------------------------------------------------------------------------
   describe('Preview State', () => {
     it('should apply active styling when previewing', () => {
-      // Arrange
       setupMocks({ isPreviewing: true })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       const previewButton = screen
         .getByText('datasetPipeline.operations.preview')
         .closest('button')
@@ -509,81 +415,62 @@ describe('InputFieldPanel', () => {
     })
 
     it('should set readonly to true when previewing', () => {
-      // Arrange
       setupMocks({ isPreviewing: true })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-readonly-shared')).toHaveTextContent(
         'true',
       )
     })
 
     it('should set readonly to true when editing', () => {
-      // Arrange
       setupMocks({ isEditing: true })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-readonly-shared')).toHaveTextContent(
         'true',
       )
     })
 
     it('should set readonly to false when not previewing or editing', () => {
-      // Arrange
       setupMocks({ isPreviewing: false, isEditing: false })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-readonly-shared')).toHaveTextContent(
         'false',
       )
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Input Fields Change Handler Tests
-  // -------------------------------------------------------------------------
   describe('Input Fields Change Handler', () => {
     it('should update rag pipeline variables when input fields change', async () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       setupMocks({ nodes })
       render(<InputFieldPanel />)
 
-      // Act
       fireEvent.click(screen.getByTestId('trigger-change-node-1'))
 
-      // Assert
       await waitFor(() => {
         expect(mockSetRagPipelineVariables).toHaveBeenCalled()
       })
     })
 
     it('should call handleSyncWorkflowDraft when fields change', async () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       setupMocks({ nodes })
       render(<InputFieldPanel />)
 
-      // Act
       fireEvent.click(screen.getByTestId('trigger-change-node-1'))
 
-      // Assert
       await waitFor(() => {
         expect(mockHandleSyncWorkflowDraft).toHaveBeenCalled()
       })
     })
 
     it('should place datasource node fields before global fields', async () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       const variables = [
         createRAGPipelineVariable('shared', { variable: 'shared_var' }),
@@ -591,15 +478,12 @@ describe('InputFieldPanel', () => {
       setupMocks({ nodes, ragPipelineVariables: variables })
       render(<InputFieldPanel />)
 
-      // Act
       fireEvent.click(screen.getByTestId('trigger-change-node-1'))
 
-      // Assert
       await waitFor(() => {
         expect(mockSetRagPipelineVariables).toHaveBeenCalled()
       })
 
-      // Verify datasource fields come before shared fields
       const setVarsCall = mockSetRagPipelineVariables.mock.calls[0][0] as RAGPipelineVariables
       const isNotShared = (v: RAGPipelineVariable) => v.belong_to_node_id !== 'shared'
       const isShared = (v: RAGPipelineVariable) => v.belong_to_node_id === 'shared'
@@ -614,7 +498,6 @@ describe('InputFieldPanel', () => {
     })
 
     it('should handle removing all fields from a node', async () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       const variables = [
         createRAGPipelineVariable('node-1', { variable: 'var1' }),
@@ -623,24 +506,19 @@ describe('InputFieldPanel', () => {
       setupMocks({ nodes, ragPipelineVariables: variables })
       render(<InputFieldPanel />)
 
-      // Act
       fireEvent.click(screen.getByTestId('trigger-remove-node-1'))
 
-      // Assert
       await waitFor(() => {
         expect(mockSetRagPipelineVariables).toHaveBeenCalled()
       })
     })
 
     it('should update global input fields correctly', async () => {
-      // Arrange
       setupMocks()
       render(<InputFieldPanel />)
 
-      // Act
       fireEvent.click(screen.getByTestId('trigger-change-shared'))
 
-      // Assert
       await waitFor(() => {
         expect(mockSetRagPipelineVariables).toHaveBeenCalled()
       })
@@ -652,54 +530,39 @@ describe('InputFieldPanel', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Label Class Name Tests
-  // -------------------------------------------------------------------------
   describe('Label Class Names', () => {
     it('should pass correct className to datasource field lists', () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       setupMocks({ nodes })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(
         screen.getByTestId('field-list-classname-node-1'),
       ).toHaveTextContent('pt-1 pb-1')
     })
 
     it('should pass correct className to global inputs field list', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-classname-shared')).toHaveTextContent(
         'pt-2 pb-1',
       )
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should memoize datasourceNodeDataMap based on nodes', () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       setupMocks({ nodes })
       const { rerender } = render(<InputFieldPanel />)
 
-      // Act - rerender with same nodes reference
       rerender(<InputFieldPanel />)
 
-      // Assert - component should not break and should render correctly
       expect(screen.getByTestId('field-list-node-1')).toBeInTheDocument()
     })
 
     it('should compute allVariableNames correctly', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable('node-1', { variable: 'alpha' }),
         createRAGPipelineVariable('node-1', { variable: 'beta' }),
@@ -707,21 +570,15 @@ describe('InputFieldPanel', () => {
       ]
       setupMocks({ ragPipelineVariables: variables })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-all-vars-shared')).toHaveTextContent(
         'alpha,beta,gamma',
       )
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
-    // Helper to find close button - moved outside test to reduce nesting
     const findCloseButton = (buttons: HTMLElement[]) => {
       const isCloseButton = (btn: HTMLElement) =>
         btn.classList.contains('size-6')
@@ -730,10 +587,8 @@ describe('InputFieldPanel', () => {
     }
 
     it('should maintain closePanel callback reference', () => {
-      // Arrange
       const { rerender } = render(<InputFieldPanel />)
 
-      // Act
       const buttons1 = screen.getAllByRole('button')
       fireEvent.click(findCloseButton(buttons1)!)
       const callCount1 = mockCloseAllInputFieldPanels.mock.calls.length
@@ -742,126 +597,97 @@ describe('InputFieldPanel', () => {
       const buttons2 = screen.getAllByRole('button')
       fireEvent.click(findCloseButton(buttons2)!)
 
-      // Assert
       expect(mockCloseAllInputFieldPanels.mock.calls.length).toBe(callCount1 + 1)
     })
 
     it('should maintain togglePreviewPanel callback reference', () => {
-      // Arrange
       const { rerender } = render(<InputFieldPanel />)
 
-      // Act
       fireEvent.click(screen.getByText('datasetPipeline.operations.preview'))
       const callCount1 = mockToggleInputFieldPreviewPanel.mock.calls.length
 
       rerender(<InputFieldPanel />)
       fireEvent.click(screen.getByText('datasetPipeline.operations.preview'))
 
-      // Assert
       expect(mockToggleInputFieldPreviewPanel.mock.calls.length).toBe(
         callCount1 + 1,
       )
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle empty ragPipelineVariables', () => {
-      // Arrange
       setupMocks({ ragPipelineVariables: [] })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-all-vars-shared')).toHaveTextContent(
         '',
       )
     })
 
     it('should handle undefined ragPipelineVariables', () => {
-      // Arrange - intentionally testing undefined case
       // @ts-expect-error Testing edge case with undefined value
       mockRagPipelineVariables = undefined
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-shared')).toBeInTheDocument()
     })
 
     it('should handle null variable names in allVariableNames', () => {
-      // Arrange - intentionally testing edge case with empty variable name
       const variables = [
         createRAGPipelineVariable('node-1', { variable: 'valid_var' }),
         createRAGPipelineVariable('node-1', { variable: '' }),
       ]
       setupMocks({ ragPipelineVariables: variables })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert - should not crash
       expect(screen.getByTestId('field-list-shared')).toBeInTheDocument()
     })
 
     it('should handle large number of datasource nodes', () => {
-      // Arrange
       const nodes = Array.from({ length: 10 }, (_, i) =>
         createDataSourceNode(`node-${i}`, `DataSource ${i}`))
       setupMocks({ nodes })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       nodes.forEach((_, i) => {
         expect(screen.getByTestId(`field-list-node-${i}`)).toBeInTheDocument()
       })
     })
 
     it('should handle large number of variables', () => {
-      // Arrange
       const variables = Array.from({ length: 100 }, (_, i) =>
         createRAGPipelineVariable('shared', { variable: `var_${i}` }))
       setupMocks({ ragPipelineVariables: variables })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-fields-count-shared')).toHaveTextContent(
         '100',
       )
     })
 
     it('should handle special characters in variable names', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable('shared', { variable: 'var_with_underscore' }),
         createRAGPipelineVariable('shared', { variable: 'varWithCamelCase' }),
       ]
       setupMocks({ ragPipelineVariables: variables })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-all-vars-shared')).toHaveTextContent(
         'var_with_underscore,varWithCamelCase',
       )
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Multiple Nodes Interaction Tests
-  // -------------------------------------------------------------------------
   describe('Multiple Nodes Interaction', () => {
     it('should handle changes to multiple nodes sequentially', async () => {
-      // Arrange
       const nodes = [
         createDataSourceNode('node-1', 'DataSource 1'),
         createDataSourceNode('node-2', 'DataSource 2'),
@@ -869,18 +695,15 @@ describe('InputFieldPanel', () => {
       setupMocks({ nodes })
       render(<InputFieldPanel />)
 
-      // Act
       fireEvent.click(screen.getByTestId('trigger-change-node-1'))
       fireEvent.click(screen.getByTestId('trigger-change-node-2'))
 
-      // Assert
       await waitFor(() => {
         expect(mockSetRagPipelineVariables).toHaveBeenCalledTimes(2)
       })
     })
 
     it('should maintain separate field lists for different nodes', () => {
-      // Arrange
       const nodes = [
         createDataSourceNode('node-1', 'DataSource 1'),
         createDataSourceNode('node-2', 'DataSource 2'),
@@ -892,42 +715,31 @@ describe('InputFieldPanel', () => {
       ]
       setupMocks({ nodes, ragPipelineVariables: variables })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-fields-count-node-1')).toHaveTextContent('1')
       expect(screen.getByTestId('field-list-fields-count-node-2')).toHaveTextContent('2')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Component Structure Tests
-  // -------------------------------------------------------------------------
   describe('Component Structure', () => {
     it('should have correct panel width class', () => {
-      // Act
       const { container } = render(<InputFieldPanel />)
 
-      // Assert
       const panel = container.firstChild as HTMLElement
       expect(panel).toHaveClass('w-[400px]')
     })
 
     it('should have overflow scroll on content area', () => {
-      // Act
       const { container } = render(<InputFieldPanel />)
 
-      // Assert
       const scrollContainer = container.querySelector('.overflow-y-auto')
       expect(scrollContainer).toBeInTheDocument()
     })
 
     it('should render header section with proper spacing', () => {
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.title'),
       ).toBeInTheDocument()
@@ -937,12 +749,8 @@ describe('InputFieldPanel', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Integration with FieldList Component Tests
-  // -------------------------------------------------------------------------
   describe('Integration with FieldList Component', () => {
     it('should pass correct props to FieldList for datasource nodes', () => {
-      // Arrange
       const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
       const variables = [
         createRAGPipelineVariable('node-1', { variable: 'test_var' }),
@@ -953,38 +761,29 @@ describe('InputFieldPanel', () => {
         isPreviewing: true,
       })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-node-1')).toBeInTheDocument()
       expect(screen.getByTestId('field-list-readonly-node-1')).toHaveTextContent('true')
       expect(screen.getByTestId('field-list-fields-count-node-1')).toHaveTextContent('1')
     })
 
     it('should pass correct props to FieldList for shared node', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable('shared', { variable: 'shared_var' }),
       ]
       setupMocks({ ragPipelineVariables: variables, isEditing: true })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-shared')).toBeInTheDocument()
       expect(screen.getByTestId('field-list-readonly-shared')).toHaveTextContent('true')
       expect(screen.getByTestId('field-list-fields-count-shared')).toHaveTextContent('1')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Variable Ordering Tests
-  // -------------------------------------------------------------------------
   describe('Variable Ordering', () => {
     it('should maintain correct variable order in allVariableNames', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable('node-1', { variable: 'first' }),
         createRAGPipelineVariable('node-1', { variable: 'second' }),
@@ -992,10 +791,8 @@ describe('InputFieldPanel', () => {
       ]
       setupMocks({ ragPipelineVariables: variables })
 
-      // Act
       render(<InputFieldPanel />)
 
-      // Assert
       expect(screen.getByTestId('field-list-all-vars-shared')).toHaveTextContent(
         'first,second,third',
       )
@@ -1003,13 +800,8 @@ describe('InputFieldPanel', () => {
   })
 })
 
-// ============================================================================
-// useFloatingRight Hook Integration Tests (via InputFieldPanel)
-// ============================================================================
-
 describe('useFloatingRight Hook Integration', () => {
   // Note: The hook is tested indirectly through the InputFieldPanel component
-  // as it's used internally. Direct hook tests are in hooks.spec.tsx if exists.
 
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1017,16 +809,11 @@ describe('useFloatingRight Hook Integration', () => {
   })
 
   it('should render panel correctly with default floating state', () => {
-    // The hook is mocked via the component's behavior
     render(<InputFieldPanel />)
     expect(screen.getByTestId('field-list-shared')).toBeInTheDocument()
   })
 })
 
-// ============================================================================
-// FooterTip Component Integration Tests
-// ============================================================================
-
 describe('FooterTip Integration', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1034,18 +821,12 @@ describe('FooterTip Integration', () => {
   })
 
   it('should render footer tip at the bottom of the panel', () => {
-    // Act
     render(<InputFieldPanel />)
 
-    // Assert
     expect(screen.getByTestId('footer-tip')).toBeInTheDocument()
   })
 })
 
-// ============================================================================
-// Label Components Integration Tests
-// ============================================================================
-
 describe('Label Components Integration', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1053,25 +834,20 @@ describe('Label Components Integration', () => {
   })
 
   it('should render GlobalInputs label for shared field list', () => {
-    // Act
     render(<InputFieldPanel />)
 
-    // Assert
     expect(screen.getByTestId('global-inputs-label')).toBeInTheDocument()
   })
 
   it('should render Datasource label for each datasource node', () => {
-    // Arrange
     const nodes = [
       createDataSourceNode('node-1', 'First DataSource'),
       createDataSourceNode('node-2', 'Second DataSource'),
     ]
     setupMocks({ nodes })
 
-    // Act
     render(<InputFieldPanel />)
 
-    // Assert
     expect(
       screen.getByTestId('datasource-label-First DataSource'),
     ).toBeInTheDocument()
@@ -1081,10 +857,6 @@ describe('Label Components Integration', () => {
   })
 })
 
-// ============================================================================
-// Component Memo Tests
-// ============================================================================
-
 describe('Component Memo Behavior', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1092,14 +864,10 @@ describe('Component Memo Behavior', () => {
   })
 
   it('should be wrapped with React.memo', () => {
-    // InputFieldPanel is exported as memo(InputFieldPanel)
-    // This test ensures the component doesn't break memoization
     const { rerender } = render(<InputFieldPanel />)
 
-    // Act - rerender without prop changes
     rerender(<InputFieldPanel />)
 
-    // Assert - component should still render correctly
     expect(screen.getByTestId('field-list-shared')).toBeInTheDocument()
     expect(
       screen.getByText('datasetPipeline.inputFieldPanel.title'),
@@ -1107,15 +875,12 @@ describe('Component Memo Behavior', () => {
   })
 
   it('should handle state updates correctly with memo', async () => {
-    // Arrange
     const nodes = [createDataSourceNode('node-1', 'DataSource 1')]
     setupMocks({ nodes })
     render(<InputFieldPanel />)
 
-    // Act - trigger a state change
     fireEvent.click(screen.getByTestId('trigger-change-node-1'))
 
-    // Assert
     await waitFor(() => {
       expect(mockSetRagPipelineVariables).toHaveBeenCalled()
     })
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/editor/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/input-field/editor/__tests__/index.spec.tsx
similarity index 82%
rename from web/app/components/rag-pipeline/components/panel/input-field/editor/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/input-field/editor/__tests__/index.spec.tsx
index 4e7f4f504d..d8feea44c6 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/editor/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/input-field/editor/__tests__/index.spec.tsx
@@ -1,5 +1,5 @@
-import type { FormData } from './form/types'
-import type { InputFieldEditorProps } from './index'
+import type { FormData } from '../form/types'
+import type { InputFieldEditorProps } from '../index'
 import type { SupportUploadFileTypes } from '@/app/components/workflow/types'
 import type { InputVar } from '@/models/pipeline'
 import type { TransferMethod } from '@/types/app'
@@ -7,28 +7,22 @@ import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { fireEvent, render, screen } from '@testing-library/react'
 import * as React from 'react'
 import { PipelineInputVarType } from '@/models/pipeline'
-import InputFieldEditorPanel from './index'
+import InputFieldEditorPanel from '../index'
 import {
   convertFormDataToINputField,
   convertToInputFieldFormData,
-} from './utils'
+} from '../utils'
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock useFloatingRight hook
 const mockUseFloatingRight = vi.fn(() => ({
   floatingRight: false,
   floatingRightWidth: 400,
 }))
 
-vi.mock('../hooks', () => ({
+vi.mock('../../hooks', () => ({
   useFloatingRight: () => mockUseFloatingRight(),
 }))
 
-// Mock InputFieldForm component
-vi.mock('./form', () => ({
+vi.mock('../form', () => ({
   default: ({
     initialData,
     supportFile,
@@ -57,7 +51,6 @@ vi.mock('./form', () => ({
   ),
 }))
 
-// Mock file upload config service
 vi.mock('@/service/use-common', () => ({
   useFileUploadConfig: () => ({
     data: {
@@ -72,10 +65,6 @@ vi.mock('@/service/use-common', () => ({
   }),
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 const createInputVar = (overrides?: Partial<InputVar>): InputVar => ({
   type: PipelineInputVarType.textInput,
   label: 'Test Label',
@@ -120,10 +109,6 @@ const createInputFieldEditorProps = (
   ...overrides,
 })
 
-// ============================================================================
-// Test Wrapper Component
-// ============================================================================
-
 const createTestQueryClient = () =>
   new QueryClient({
     defaultOptions: {
@@ -145,10 +130,6 @@ const renderWithProviders = (ui: React.ReactElement) => {
   return render(ui, { wrapper: TestWrapper })
 }
 
-// ============================================================================
-// InputFieldEditorPanel Component Tests
-// ============================================================================
-
 describe('InputFieldEditorPanel', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -158,103 +139,75 @@ describe('InputFieldEditorPanel', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render panel without crashing', () => {
-      // Arrange
       const props = createInputFieldEditorProps()
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(screen.getByTestId('input-field-form')).toBeInTheDocument()
     })
 
     it('should render close button', () => {
-      // Arrange
       const props = createInputFieldEditorProps()
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       const closeButton = screen.getByRole('button', { name: '' })
       expect(closeButton).toBeInTheDocument()
     })
 
     it('should render "Add Input Field" title when no initialData', () => {
-      // Arrange
       const props = createInputFieldEditorProps({ initialData: undefined })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.addInputField'),
       ).toBeInTheDocument()
     })
 
     it('should render "Edit Input Field" title when initialData is provided', () => {
-      // Arrange
       const props = createInputFieldEditorProps({
         initialData: createInputVar(),
       })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.editInputField'),
       ).toBeInTheDocument()
     })
 
     it('should pass supportFile=true to form', () => {
-      // Arrange
       const props = createInputFieldEditorProps()
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(screen.getByTestId('form-support-file').textContent).toBe('true')
     })
 
     it('should pass isEditMode=false when no initialData', () => {
-      // Arrange
       const props = createInputFieldEditorProps({ initialData: undefined })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(screen.getByTestId('form-is-edit-mode').textContent).toBe('false')
     })
 
     it('should pass isEditMode=true when initialData is provided', () => {
-      // Arrange
       const props = createInputFieldEditorProps({
         initialData: createInputVar(),
       })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(screen.getByTestId('form-is-edit-mode').textContent).toBe('true')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should handle different input types in initialData', () => {
-      // Arrange
       const typesToTest = [
         PipelineInputVarType.textInput,
         PipelineInputVarType.paragraph,
@@ -269,19 +222,16 @@ describe('InputFieldEditorPanel', () => {
         const initialData = createInputVar({ type })
         const props = createInputFieldEditorProps({ initialData })
 
-        // Act
         const { unmount } = renderWithProviders(
           <InputFieldEditorPanel {...props} />,
         )
 
-        // Assert
         expect(screen.getByTestId('input-field-form')).toBeInTheDocument()
         unmount()
       })
     })
 
     it('should handle initialData with all optional fields populated', () => {
-      // Arrange
       const initialData = createInputVar({
         default_value: 'default',
         tooltips: 'tooltip text',
@@ -294,15 +244,12 @@ describe('InputFieldEditorPanel', () => {
       })
       const props = createInputFieldEditorProps({ initialData })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(screen.getByTestId('input-field-form')).toBeInTheDocument()
     })
 
     it('should handle initialData with minimal fields', () => {
-      // Arrange
       const initialData: InputVar = {
         type: PipelineInputVarType.textInput,
         label: 'Min',
@@ -311,54 +258,40 @@ describe('InputFieldEditorPanel', () => {
       }
       const props = createInputFieldEditorProps({ initialData })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(screen.getByTestId('input-field-form')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onClose when close button is clicked', () => {
-      // Arrange
       const onClose = vi.fn()
       const props = createInputFieldEditorProps({ onClose })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
       fireEvent.click(screen.getByTestId('input-field-editor-close-btn'))
 
-      // Assert
       expect(onClose).toHaveBeenCalledTimes(1)
     })
 
     it('should call onClose when form cancel is triggered', () => {
-      // Arrange
       const onClose = vi.fn()
       const props = createInputFieldEditorProps({ onClose })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
       fireEvent.click(screen.getByTestId('form-cancel-btn'))
 
-      // Assert
       expect(onClose).toHaveBeenCalledTimes(1)
     })
 
     it('should call onSubmit with converted data when form submits', () => {
-      // Arrange
       const onSubmit = vi.fn()
       const props = createInputFieldEditorProps({ onSubmit })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
       fireEvent.click(screen.getByTestId('form-submit-btn'))
 
-      // Assert
       expect(onSubmit).toHaveBeenCalledTimes(1)
       expect(onSubmit).toHaveBeenCalledWith(
         expect.objectContaining({
@@ -370,35 +303,26 @@ describe('InputFieldEditorPanel', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Floating Right Behavior Tests
-  // -------------------------------------------------------------------------
   describe('Floating Right Behavior', () => {
     it('should call useFloatingRight hook', () => {
-      // Arrange
       const props = createInputFieldEditorProps()
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(mockUseFloatingRight).toHaveBeenCalled()
     })
 
     it('should apply floating right styles when floatingRight is true', () => {
-      // Arrange
       mockUseFloatingRight.mockReturnValue({
         floatingRight: true,
         floatingRightWidth: 300,
       })
       const props = createInputFieldEditorProps()
 
-      // Act
       const { container } = renderWithProviders(
         <InputFieldEditorPanel {...props} />,
       )
 
-      // Assert
       const panel = container.firstChild as HTMLElement
       expect(panel.className).toContain('absolute')
       expect(panel.className).toContain('right-0')
@@ -406,35 +330,27 @@ describe('InputFieldEditorPanel', () => {
     })
 
     it('should not apply floating right styles when floatingRight is false', () => {
-      // Arrange
       mockUseFloatingRight.mockReturnValue({
         floatingRight: false,
         floatingRightWidth: 400,
       })
       const props = createInputFieldEditorProps()
 
-      // Act
       const { container } = renderWithProviders(
         <InputFieldEditorPanel {...props} />,
       )
 
-      // Assert
       const panel = container.firstChild as HTMLElement
       expect(panel.className).not.toContain('absolute')
       expect(panel.style.width).toBe('400px')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability and Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should maintain stable onClose callback reference', () => {
-      // Arrange
       const onClose = vi.fn()
       const props = createInputFieldEditorProps({ onClose })
 
-      // Act
       const { rerender } = renderWithProviders(
         <InputFieldEditorPanel {...props} />,
       )
@@ -447,16 +363,13 @@ describe('InputFieldEditorPanel', () => {
       )
       fireEvent.click(screen.getByTestId('form-cancel-btn'))
 
-      // Assert
       expect(onClose).toHaveBeenCalledTimes(2)
     })
 
     it('should maintain stable onSubmit callback reference', () => {
-      // Arrange
       const onSubmit = vi.fn()
       const props = createInputFieldEditorProps({ onSubmit })
 
-      // Act
       const { rerender } = renderWithProviders(
         <InputFieldEditorPanel {...props} />,
       )
@@ -469,21 +382,15 @@ describe('InputFieldEditorPanel', () => {
       )
       fireEvent.click(screen.getByTestId('form-submit-btn'))
 
-      // Assert
       expect(onSubmit).toHaveBeenCalledTimes(2)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should memoize formData when initialData does not change', () => {
-      // Arrange
       const initialData = createInputVar()
       const props = createInputFieldEditorProps({ initialData })
 
-      // Act
       const { rerender } = renderWithProviders(
         <InputFieldEditorPanel {...props} />,
       )
@@ -496,18 +403,15 @@ describe('InputFieldEditorPanel', () => {
       )
       const secondFormData = screen.getByTestId('form-initial-data').textContent
 
-      // Assert
       expect(firstFormData).toBe(secondFormData)
     })
 
     it('should recompute formData when initialData changes', () => {
-      // Arrange
       const initialData1 = createInputVar({ variable: 'var1' })
       const initialData2 = createInputVar({ variable: 'var2' })
       const props1 = createInputFieldEditorProps({ initialData: initialData1 })
       const props2 = createInputFieldEditorProps({ initialData: initialData2 })
 
-      // Act
       const { rerender } = renderWithProviders(
         <InputFieldEditorPanel {...props1} />,
       )
@@ -520,33 +424,25 @@ describe('InputFieldEditorPanel', () => {
       )
       const secondFormData = screen.getByTestId('form-initial-data').textContent
 
-      // Assert
       expect(firstFormData).not.toBe(secondFormData)
       expect(firstFormData).toContain('var1')
       expect(secondFormData).toContain('var2')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle undefined initialData gracefully', () => {
-      // Arrange
       const props = createInputFieldEditorProps({ initialData: undefined })
 
-      // Act & Assert
       expect(() =>
         renderWithProviders(<InputFieldEditorPanel {...props} />),
       ).not.toThrow()
     })
 
     it('should handle rapid close button clicks', () => {
-      // Arrange
       const onClose = vi.fn()
       const props = createInputFieldEditorProps({ onClose })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
       const closeButtons = screen.getAllByRole('button')
       const closeButton = closeButtons.find(btn => btn.querySelector('svg'))
@@ -557,12 +453,10 @@ describe('InputFieldEditorPanel', () => {
         fireEvent.click(closeButton)
       }
 
-      // Assert
       expect(onClose).toHaveBeenCalledTimes(3)
     })
 
     it('should handle special characters in initialData', () => {
-      // Arrange
       const initialData = createInputVar({
         label: 'Test <script>alert("xss")</script>',
         variable: 'test_var',
@@ -570,15 +464,12 @@ describe('InputFieldEditorPanel', () => {
       })
       const props = createInputFieldEditorProps({ initialData })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(screen.getByTestId('input-field-form')).toBeInTheDocument()
     })
 
     it('should handle empty string values in initialData', () => {
-      // Arrange
       const initialData = createInputVar({
         label: '',
         variable: '',
@@ -588,26 +479,16 @@ describe('InputFieldEditorPanel', () => {
       })
       const props = createInputFieldEditorProps({ initialData })
 
-      // Act
       renderWithProviders(<InputFieldEditorPanel {...props} />)
 
-      // Assert
       expect(screen.getByTestId('input-field-form')).toBeInTheDocument()
     })
   })
 })
 
-// ============================================================================
-// Utils Tests - convertToInputFieldFormData
-// ============================================================================
-
 describe('convertToInputFieldFormData', () => {
-  // -------------------------------------------------------------------------
-  // Basic Conversion Tests
-  // -------------------------------------------------------------------------
   describe('Basic Conversion', () => {
     it('should convert InputVar to FormData with all fields', () => {
-      // Arrange
       const inputVar = createInputVar({
         type: PipelineInputVarType.textInput,
         label: 'Test',
@@ -621,10 +502,8 @@ describe('convertToInputFieldFormData', () => {
         unit: 'kg',
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.textInput)
       expect(result.label).toBe('Test')
       expect(result.variable).toBe('test_var')
@@ -638,7 +517,6 @@ describe('convertToInputFieldFormData', () => {
     })
 
     it('should convert file-related fields correctly', () => {
-      // Arrange
       const inputVar = createInputVar({
         type: PipelineInputVarType.singleFile,
         allowed_file_upload_methods: ['local_file', 'remote_url'] as TransferMethod[],
@@ -646,10 +524,8 @@ describe('convertToInputFieldFormData', () => {
         allowed_file_extensions: ['.jpg', '.pdf'],
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.allowedFileUploadMethods).toEqual([
         'local_file',
         'remote_url',
@@ -661,10 +537,8 @@ describe('convertToInputFieldFormData', () => {
     })
 
     it('should return default template when data is undefined', () => {
-      // Act
       const result = convertToInputFieldFormData(undefined)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.textInput)
       expect(result.variable).toBe('')
       expect(result.label).toBe('')
@@ -672,183 +546,140 @@ describe('convertToInputFieldFormData', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Optional Fields Handling Tests
-  // -------------------------------------------------------------------------
   describe('Optional Fields Handling', () => {
     it('should not include default when default_value is undefined', () => {
-      // Arrange
       const inputVar = createInputVar({
         default_value: undefined,
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.default).toBeUndefined()
     })
 
     it('should not include default when default_value is null', () => {
-      // Arrange
       const inputVar: InputVar = {
         ...createInputVar(),
         default_value: null as unknown as string,
       }
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.default).toBeUndefined()
     })
 
     it('should include default when default_value is empty string', () => {
-      // Arrange
       const inputVar = createInputVar({
         default_value: '',
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.default).toBe('')
     })
 
     it('should not include tooltips when undefined', () => {
-      // Arrange
       const inputVar = createInputVar({
         tooltips: undefined,
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.tooltips).toBeUndefined()
     })
 
     it('should not include placeholder when undefined', () => {
-      // Arrange
       const inputVar = createInputVar({
         placeholder: undefined,
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.placeholder).toBeUndefined()
     })
 
     it('should not include unit when undefined', () => {
-      // Arrange
       const inputVar = createInputVar({
         unit: undefined,
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.unit).toBeUndefined()
     })
 
     it('should not include file settings when allowed_file_upload_methods is undefined', () => {
-      // Arrange
       const inputVar = createInputVar({
         allowed_file_upload_methods: undefined,
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.allowedFileUploadMethods).toBeUndefined()
     })
 
     it('should not include allowedTypesAndExtensions details when file types/extensions are missing', () => {
-      // Arrange
       const inputVar = createInputVar({
         allowed_file_types: undefined,
         allowed_file_extensions: undefined,
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.allowedTypesAndExtensions).toEqual({})
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Type-Specific Tests
-  // -------------------------------------------------------------------------
   describe('Type-Specific Handling', () => {
     it('should handle textInput type', () => {
-      // Arrange
       const inputVar = createInputVar({
         type: PipelineInputVarType.textInput,
         max_length: 256,
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.textInput)
       expect(result.maxLength).toBe(256)
     })
 
     it('should handle paragraph type', () => {
-      // Arrange
       const inputVar = createInputVar({
         type: PipelineInputVarType.paragraph,
         max_length: 1000,
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.paragraph)
       expect(result.maxLength).toBe(1000)
     })
 
     it('should handle number type with unit', () => {
-      // Arrange
       const inputVar = createInputVar({
         type: PipelineInputVarType.number,
         unit: 'meters',
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.number)
       expect(result.unit).toBe('meters')
     })
 
     it('should handle select type with options', () => {
-      // Arrange
       const inputVar = createInputVar({
         type: PipelineInputVarType.select,
         options: ['Option A', 'Option B', 'Option C'],
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.select)
       expect(result.options).toEqual(['Option A', 'Option B', 'Option C'])
     })
 
     it('should handle singleFile type', () => {
-      // Arrange
       const inputVar = createInputVar({
         type: PipelineInputVarType.singleFile,
         allowed_file_upload_methods: ['local_file'] as TransferMethod[],
@@ -856,16 +687,13 @@ describe('convertToInputFieldFormData', () => {
         allowed_file_extensions: ['.jpg'],
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.singleFile)
       expect(result.allowedFileUploadMethods).toEqual(['local_file'])
     })
 
     it('should handle multiFiles type', () => {
-      // Arrange
       const inputVar = createInputVar({
         type: PipelineInputVarType.multiFiles,
         max_length: 5,
@@ -874,42 +702,29 @@ describe('convertToInputFieldFormData', () => {
         allowed_file_extensions: ['.pdf', '.doc'],
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.multiFiles)
       expect(result.maxLength).toBe(5)
     })
 
     it('should handle checkbox type', () => {
-      // Arrange
       const inputVar = createInputVar({
         type: PipelineInputVarType.checkbox,
         default_value: 'true',
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.checkbox)
       expect(result.default).toBe('true')
     })
   })
 })
 
-// ============================================================================
-// Utils Tests - convertFormDataToINputField
-// ============================================================================
-
 describe('convertFormDataToINputField', () => {
-  // -------------------------------------------------------------------------
-  // Basic Conversion Tests
-  // -------------------------------------------------------------------------
   describe('Basic Conversion', () => {
     it('should convert FormData to InputVar with all fields', () => {
-      // Arrange
       const formData = createFormData({
         type: PipelineInputVarType.textInput,
         label: 'Test',
@@ -928,10 +743,8 @@ describe('convertFormDataToINputField', () => {
         },
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.textInput)
       expect(result.label).toBe('Test')
       expect(result.variable).toBe('test_var')
@@ -948,7 +761,6 @@ describe('convertFormDataToINputField', () => {
     })
 
     it('should handle undefined optional fields', () => {
-      // Arrange
       const formData = createFormData({
         default: undefined,
         tooltips: undefined,
@@ -961,10 +773,8 @@ describe('convertFormDataToINputField', () => {
         },
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.default_value).toBeUndefined()
       expect(result.tooltips).toBeUndefined()
       expect(result.placeholder).toBeUndefined()
@@ -975,42 +785,30 @@ describe('convertFormDataToINputField', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Field Mapping Tests
-  // -------------------------------------------------------------------------
   describe('Field Mapping', () => {
     it('should map maxLength to max_length', () => {
-      // Arrange
       const formData = createFormData({ maxLength: 256 })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.max_length).toBe(256)
     })
 
     it('should map default to default_value', () => {
-      // Arrange
       const formData = createFormData({ default: 'my default' })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.default_value).toBe('my default')
     })
 
     it('should map allowedFileUploadMethods to allowed_file_upload_methods', () => {
-      // Arrange
       const formData = createFormData({
         allowedFileUploadMethods: ['local_file', 'remote_url'] as TransferMethod[],
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.allowed_file_upload_methods).toEqual([
         'local_file',
         'remote_url',
@@ -1018,7 +816,6 @@ describe('convertFormDataToINputField', () => {
     })
 
     it('should map allowedTypesAndExtensions to separate fields', () => {
-      // Arrange
       const formData = createFormData({
         allowedTypesAndExtensions: {
           allowedFileTypes: ['image', 'document'] as SupportUploadFileTypes[],
@@ -1026,119 +823,88 @@ describe('convertFormDataToINputField', () => {
         },
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.allowed_file_types).toEqual(['image', 'document'])
       expect(result.allowed_file_extensions).toEqual(['.jpg', '.pdf'])
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Type-Specific Tests
-  // -------------------------------------------------------------------------
   describe('Type-Specific Handling', () => {
     it('should preserve textInput type', () => {
-      // Arrange
       const formData = createFormData({ type: PipelineInputVarType.textInput })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.textInput)
     })
 
     it('should preserve paragraph type', () => {
-      // Arrange
       const formData = createFormData({ type: PipelineInputVarType.paragraph })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.paragraph)
     })
 
     it('should preserve select type with options', () => {
-      // Arrange
       const formData = createFormData({
         type: PipelineInputVarType.select,
         options: ['A', 'B', 'C'],
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.select)
       expect(result.options).toEqual(['A', 'B', 'C'])
     })
 
     it('should preserve number type with unit', () => {
-      // Arrange
       const formData = createFormData({
         type: PipelineInputVarType.number,
         unit: 'kg',
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.number)
       expect(result.unit).toBe('kg')
     })
 
     it('should preserve singleFile type', () => {
-      // Arrange
       const formData = createFormData({
         type: PipelineInputVarType.singleFile,
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.singleFile)
     })
 
     it('should preserve multiFiles type with maxLength', () => {
-      // Arrange
       const formData = createFormData({
         type: PipelineInputVarType.multiFiles,
         maxLength: 10,
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.multiFiles)
       expect(result.max_length).toBe(10)
     })
 
     it('should preserve checkbox type', () => {
-      // Arrange
       const formData = createFormData({ type: PipelineInputVarType.checkbox })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.type).toBe(PipelineInputVarType.checkbox)
     })
   })
 })
 
-// ============================================================================
-// Round-Trip Conversion Tests
-// ============================================================================
-
 describe('Round-Trip Conversion', () => {
   it('should preserve data through round-trip conversion for textInput', () => {
-    // Arrange
     const original = createInputVar({
       type: PipelineInputVarType.textInput,
       label: 'Test Label',
@@ -1150,11 +916,9 @@ describe('Round-Trip Conversion', () => {
       placeholder: 'placeholder',
     })
 
-    // Act
     const formData = convertToInputFieldFormData(original)
     const result = convertFormDataToINputField(formData)
 
-    // Assert
     expect(result.type).toBe(original.type)
     expect(result.label).toBe(original.label)
     expect(result.variable).toBe(original.variable)
@@ -1166,25 +930,21 @@ describe('Round-Trip Conversion', () => {
   })
 
   it('should preserve data through round-trip conversion for select', () => {
-    // Arrange
     const original = createInputVar({
       type: PipelineInputVarType.select,
       options: ['Option A', 'Option B', 'Option C'],
       default_value: 'Option A',
     })
 
-    // Act
     const formData = convertToInputFieldFormData(original)
     const result = convertFormDataToINputField(formData)
 
-    // Assert
     expect(result.type).toBe(original.type)
     expect(result.options).toEqual(original.options)
     expect(result.default_value).toBe(original.default_value)
   })
 
   it('should preserve data through round-trip conversion for file types', () => {
-    // Arrange
     const original = createInputVar({
       type: PipelineInputVarType.multiFiles,
       max_length: 5,
@@ -1193,11 +953,9 @@ describe('Round-Trip Conversion', () => {
       allowed_file_extensions: ['.jpg', '.pdf'],
     })
 
-    // Act
     const formData = convertToInputFieldFormData(original)
     const result = convertFormDataToINputField(formData)
 
-    // Assert
     expect(result.type).toBe(original.type)
     expect(result.max_length).toBe(original.max_length)
     expect(result.allowed_file_upload_methods).toEqual(
@@ -1210,7 +968,6 @@ describe('Round-Trip Conversion', () => {
   })
 
   it('should handle all input types through round-trip', () => {
-    // Arrange
     const typesToTest = [
       PipelineInputVarType.textInput,
       PipelineInputVarType.paragraph,
@@ -1224,54 +981,39 @@ describe('Round-Trip Conversion', () => {
     typesToTest.forEach((type) => {
       const original = createInputVar({ type })
 
-      // Act
       const formData = convertToInputFieldFormData(original)
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.type).toBe(original.type)
     })
   })
 })
 
-// ============================================================================
-// Edge Cases Tests
-// ============================================================================
-
 describe('Edge Cases', () => {
   describe('convertToInputFieldFormData edge cases', () => {
     it('should handle zero maxLength', () => {
-      // Arrange
       const inputVar = createInputVar({ max_length: 0 })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.maxLength).toBe(0)
     })
 
     it('should handle empty options array', () => {
-      // Arrange
       const inputVar = createInputVar({ options: [] })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.options).toEqual([])
     })
 
     it('should handle options with special characters', () => {
-      // Arrange
       const inputVar = createInputVar({
         options: ['<script>', '"quoted"', '\'apostrophe\'', '&amp;'],
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.options).toEqual([
         '<script>',
         '"quoted"',
@@ -1281,33 +1023,27 @@ describe('Edge Cases', () => {
     })
 
     it('should handle very long strings', () => {
-      // Arrange
       const longString = 'a'.repeat(10000)
       const inputVar = createInputVar({
         label: longString,
         tooltips: longString,
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.label).toBe(longString)
       expect(result.tooltips).toBe(longString)
     })
 
     it('should handle unicode characters', () => {
-      // Arrange
       const inputVar = createInputVar({
         label: '测试标签 🎉',
         tooltips: 'ツールチップ 😀',
         placeholder: 'Platzhalter ñ é',
       })
 
-      // Act
       const result = convertToInputFieldFormData(inputVar)
 
-      // Assert
       expect(result.label).toBe('测试标签 🎉')
       expect(result.tooltips).toBe('ツールチップ 😀')
       expect(result.placeholder).toBe('Platzhalter ñ é')
@@ -1316,18 +1052,14 @@ describe('Edge Cases', () => {
 
   describe('convertFormDataToINputField edge cases', () => {
     it('should handle zero maxLength', () => {
-      // Arrange
       const formData = createFormData({ maxLength: 0 })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.max_length).toBe(0)
     })
 
     it('should handle empty allowedTypesAndExtensions', () => {
-      // Arrange
       const formData = createFormData({
         allowedTypesAndExtensions: {
           allowedFileTypes: [],
@@ -1335,51 +1067,38 @@ describe('Edge Cases', () => {
         },
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.allowed_file_types).toEqual([])
       expect(result.allowed_file_extensions).toEqual([])
     })
 
     it('should handle boolean default value (checkbox)', () => {
-      // Arrange
       const formData = createFormData({
         type: PipelineInputVarType.checkbox,
         default: 'true',
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.default_value).toBe('true')
     })
 
     it('should handle numeric default value (number type)', () => {
-      // Arrange
       const formData = createFormData({
         type: PipelineInputVarType.number,
         default: '42',
       })
 
-      // Act
       const result = convertFormDataToINputField(formData)
 
-      // Assert
       expect(result.default_value).toBe('42')
     })
   })
 })
 
-// ============================================================================
-// Hook Memoization Tests
-// ============================================================================
-
 describe('Hook Memoization', () => {
   it('should return stable callback reference for handleSubmit', () => {
-    // Arrange
     const onSubmit = vi.fn()
     let handleSubmitRef1: ((value: FormData) => void) | undefined
     let handleSubmitRef2: ((value: FormData) => void) | undefined
@@ -1402,7 +1121,6 @@ describe('Hook Memoization', () => {
       return null
     }
 
-    // Act
     const { rerender } = render(
       <TestComponent capture={(ref) => { handleSubmitRef1 = ref }} submitFn={onSubmit} />,
     )
@@ -1410,12 +1128,10 @@ describe('Hook Memoization', () => {
       <TestComponent capture={(ref) => { handleSubmitRef2 = ref }} submitFn={onSubmit} />,
     )
 
-    // Assert - callback should be same reference due to useCallback
     expect(handleSubmitRef1).toBe(handleSubmitRef2)
   })
 
   it('should return stable formData when initialData is unchanged', () => {
-    // Arrange
     const initialData = createInputVar()
     let formData1: FormData | undefined
     let formData2: FormData | undefined
@@ -1435,7 +1151,6 @@ describe('Hook Memoization', () => {
       return null
     }
 
-    // Act
     const { rerender } = render(
       <TestComponent
         data={initialData}
@@ -1449,7 +1164,6 @@ describe('Hook Memoization', () => {
       />,
     )
 
-    // Assert - formData should be same reference due to useMemo
     expect(formData1).toBe(formData2)
   })
 })
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/editor/form/hooks.spec.ts b/web/app/components/rag-pipeline/components/panel/input-field/editor/form/__tests__/hooks.spec.ts
similarity index 88%
rename from web/app/components/rag-pipeline/components/panel/input-field/editor/form/hooks.spec.ts
rename to web/app/components/rag-pipeline/components/panel/input-field/editor/form/__tests__/hooks.spec.ts
index ada939a4a6..d07a705252 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/editor/form/hooks.spec.ts
+++ b/web/app/components/rag-pipeline/components/panel/input-field/editor/form/__tests__/hooks.spec.ts
@@ -1,17 +1,7 @@
 import { renderHook } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { PipelineInputVarType } from '@/models/pipeline'
-import { useConfigurations, useHiddenConfigurations, useHiddenFieldNames } from './hooks'
-
-// ============================================================================
-// Mocks
-// ============================================================================
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
+import { useConfigurations, useHiddenConfigurations, useHiddenFieldNames } from '../hooks'
 
 vi.mock('@/app/components/base/file-uploader/hooks', () => ({
   useFileSizeLimit: () => ({
@@ -35,7 +25,7 @@ vi.mock('@/app/components/workflow/constants', () => ({
   },
 }))
 
-vi.mock('./schema', () => ({
+vi.mock('../schema', () => ({
   TEXT_MAX_LENGTH: 256,
 }))
 
@@ -43,10 +33,6 @@ vi.mock('@/utils/format', () => ({
   formatFileSize: (size: number) => `${Math.round(size / 1024 / 1024)}MB`,
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('useHiddenFieldNames', () => {
   afterEach(() => {
     vi.clearAllMocks()
@@ -71,53 +57,51 @@ describe('useHiddenFieldNames', () => {
   it('should return field names for number type including unit', () => {
     const { result } = renderHook(() => useHiddenFieldNames(PipelineInputVarType.number))
 
-    expect(result.current).toContain('variableconfig.defaultvalue')
-    expect(result.current).toContain('variableconfig.unit')
-    expect(result.current).toContain('variableconfig.placeholder')
-    expect(result.current).toContain('variableconfig.tooltips')
+    expect(result.current).toContain('appdebug.variableconfig.defaultvalue')
+    expect(result.current).toContain('appdebug.variableconfig.unit')
+    expect(result.current).toContain('appdebug.variableconfig.placeholder')
+    expect(result.current).toContain('appdebug.variableconfig.tooltips')
   })
 
   it('should return field names for select type', () => {
     const { result } = renderHook(() => useHiddenFieldNames(PipelineInputVarType.select))
 
-    expect(result.current).toContain('variableconfig.defaultvalue')
-    expect(result.current).toContain('variableconfig.tooltips')
+    expect(result.current).toContain('appdebug.variableconfig.defaultvalue')
+    expect(result.current).toContain('appdebug.variableconfig.tooltips')
   })
 
   it('should return field names for singleFile type', () => {
     const { result } = renderHook(() => useHiddenFieldNames(PipelineInputVarType.singleFile))
 
-    expect(result.current).toContain('variableconfig.uploadmethod')
-    expect(result.current).toContain('variableconfig.tooltips')
+    expect(result.current).toContain('appdebug.variableconfig.uploadmethod')
+    expect(result.current).toContain('appdebug.variableconfig.tooltips')
   })
 
   it('should return field names for multiFiles type including max number', () => {
     const { result } = renderHook(() => useHiddenFieldNames(PipelineInputVarType.multiFiles))
 
-    expect(result.current).toContain('variableconfig.uploadmethod')
-    expect(result.current).toContain('variableconfig.maxnumberofuploads')
-    expect(result.current).toContain('variableconfig.tooltips')
+    expect(result.current).toContain('appdebug.variableconfig.uploadmethod')
+    expect(result.current).toContain('appdebug.variableconfig.maxnumberofuploads')
+    expect(result.current).toContain('appdebug.variableconfig.tooltips')
   })
 
   it('should return field names for checkbox type', () => {
     const { result } = renderHook(() => useHiddenFieldNames(PipelineInputVarType.checkbox))
 
-    expect(result.current).toContain('variableconfig.startchecked')
-    expect(result.current).toContain('variableconfig.tooltips')
+    expect(result.current).toContain('appdebug.variableconfig.startchecked')
+    expect(result.current).toContain('appdebug.variableconfig.tooltips')
   })
 
   it('should return only tooltips for unknown type', () => {
     const { result } = renderHook(() => useHiddenFieldNames('unknown-type' as PipelineInputVarType))
 
-    expect(result.current).toBe('variableconfig.tooltips')
+    expect(result.current).toBe('appdebug.variableconfig.tooltips')
   })
 
   it('should return comma-separated lowercase string', () => {
     const { result } = renderHook(() => useHiddenFieldNames(PipelineInputVarType.textInput))
 
-    // The result should be comma-separated
     expect(result.current).toMatch(/,/)
-    // All lowercase
     expect(result.current).toBe(result.current.toLowerCase())
   })
 })
@@ -343,7 +327,6 @@ describe('useHiddenConfigurations', () => {
       c => c.variable === 'default' && c.showConditions?.some(sc => sc.value === PipelineInputVarType.select),
     )
     expect(selectDefault?.options).toBeDefined()
-    // First option should be "no default selected"
     expect(selectDefault?.options?.[0]?.value).toBe('')
     expect(selectDefault?.options?.[1]?.value).toBe('opt1')
     expect(selectDefault?.options?.[2]?.value).toBe('opt2')
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/editor/form/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/input-field/editor/form/__tests__/index.spec.tsx
similarity index 77%
rename from web/app/components/rag-pipeline/components/panel/input-field/editor/form/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/input-field/editor/form/__tests__/index.spec.tsx
index 48df13acb2..adc249a88d 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/editor/form/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/input-field/editor/form/__tests__/index.spec.tsx
@@ -1,21 +1,14 @@
-import type { FormData, InputFieldFormProps } from './types'
+import type { FormData, InputFieldFormProps } from '../types'
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { fireEvent, render, renderHook, screen, waitFor } from '@testing-library/react'
 import * as React from 'react'
 import { PipelineInputVarType } from '@/models/pipeline'
-import { useConfigurations, useHiddenConfigurations, useHiddenFieldNames } from './hooks'
-import InputFieldForm from './index'
-import { createInputFieldSchema, TEXT_MAX_LENGTH } from './schema'
+import { useConfigurations, useHiddenConfigurations, useHiddenFieldNames } from '../hooks'
+import InputFieldForm from '../index'
+import { createInputFieldSchema, TEXT_MAX_LENGTH } from '../schema'
 
-// Type helper for partial listener event parameters in tests
-// Using double assertion for test mocks with incomplete event objects
 const createMockEvent = <T,>(value: T) => ({ value }) as unknown as Parameters<NonNullable<NonNullable<ReturnType<typeof useConfigurations>[number]['listeners']>['onChange']>>[0]
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock file upload config service
 const mockFileUploadConfig = {
   image_file_size_limit: 10,
   file_size_limit: 15,
@@ -32,17 +25,12 @@ vi.mock('@/service/use-common', () => ({
   }),
 }))
 
-// Mock Toast static method
 vi.mock('@/app/components/base/toast', () => ({
   default: {
     notify: vi.fn(),
   },
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 const createFormData = (overrides?: Partial<FormData>): FormData => ({
   type: PipelineInputVarType.textInput,
   label: 'Test Label',
@@ -71,10 +59,6 @@ const createInputFieldFormProps = (overrides?: Partial<InputFieldFormProps>): In
   ...overrides,
 })
 
-// ============================================================================
-// Test Wrapper Component
-// ============================================================================
-
 const createTestQueryClient = () => new QueryClient({
   defaultOptions: {
     queries: {
@@ -101,107 +85,75 @@ const renderHookWithProviders = <TResult,>(hook: () => TResult) => {
   return renderHook(hook, { wrapper: TestWrapper })
 }
 
-// ============================================================================
-// InputFieldForm Component Tests
-// ============================================================================
-
 describe('InputFieldForm', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render form without crashing', () => {
-      // Arrange
       const props = createInputFieldFormProps()
 
-      // Act
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
 
     it('should render cancel button', () => {
-      // Arrange
       const props = createInputFieldFormProps()
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert
       expect(screen.getByRole('button', { name: /cancel/i })).toBeInTheDocument()
     })
 
     it('should render form with initial values', () => {
-      // Arrange
       const initialData = createFormData({
         variable: 'custom_var',
         label: 'Custom Label',
       })
       const props = createInputFieldFormProps({ initialData })
 
-      // Act
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should handle supportFile=true prop', () => {
-      // Arrange
       const props = createInputFieldFormProps({ supportFile: true })
 
-      // Act
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
 
     it('should handle supportFile=false (default) prop', () => {
-      // Arrange
       const props = createInputFieldFormProps({ supportFile: false })
 
-      // Act
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
 
     it('should handle isEditMode=true prop', () => {
-      // Arrange
       const props = createInputFieldFormProps({ isEditMode: true })
 
-      // Act
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
 
     it('should handle isEditMode=false prop', () => {
-      // Arrange
       const props = createInputFieldFormProps({ isEditMode: false })
 
-      // Act
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
 
     it('should handle different initial data types', () => {
-      // Arrange
       const typesToTest = [
         PipelineInputVarType.textInput,
         PipelineInputVarType.paragraph,
@@ -214,49 +166,37 @@ describe('InputFieldForm', () => {
         const initialData = createFormData({ type })
         const props = createInputFieldFormProps({ initialData })
 
-        // Act
         const { container, unmount } = renderWithProviders(<InputFieldForm {...props} />)
 
-        // Assert
         expect(container.querySelector('form')).toBeInTheDocument()
         unmount()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onCancel when cancel button is clicked', async () => {
-      // Arrange
       const onCancel = vi.fn()
       const props = createInputFieldFormProps({ onCancel })
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
       fireEvent.click(screen.getByRole('button', { name: /cancel/i }))
 
-      // Assert
       expect(onCancel).toHaveBeenCalledTimes(1)
     })
 
     it('should prevent default on form submit', async () => {
-      // Arrange
       const props = createInputFieldFormProps()
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
       const form = container.querySelector('form')!
       const submitEvent = new Event('submit', { bubbles: true, cancelable: true })
 
-      // Act
       form.dispatchEvent(submitEvent)
 
-      // Assert
       expect(submitEvent.defaultPrevented).toBe(true)
     })
 
     it('should show Toast error when form validation fails on submit', async () => {
-      // Arrange - Create invalid form data with empty variable name (validation should fail)
       const Toast = await import('@/app/components/base/toast')
       const initialData = createFormData({
         variable: '', // Empty variable should fail validation
@@ -265,12 +205,10 @@ describe('InputFieldForm', () => {
       const onSubmit = vi.fn()
       const props = createInputFieldFormProps({ initialData, onSubmit })
 
-      // Act
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
       const form = container.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert - Toast should be called with error message when validation fails
       await waitFor(() => {
         expect(Toast.default.notify).toHaveBeenCalledWith(
           expect.objectContaining({
@@ -279,12 +217,10 @@ describe('InputFieldForm', () => {
           }),
         )
       })
-      // onSubmit should not be called when validation fails
       expect(onSubmit).not.toHaveBeenCalled()
     })
 
     it('should call onSubmit with moreInfo when variable name changes in edit mode', async () => {
-      // Arrange - Initial variable name is 'original_var', we change it to 'new_var'
       const initialData = createFormData({
         variable: 'original_var',
         label: 'Test Label',
@@ -296,18 +232,14 @@ describe('InputFieldForm', () => {
         isEditMode: true,
       })
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Find and change the variable input by label
       const variableInput = screen.getByLabelText('appDebug.variableConfig.varName')
       fireEvent.change(variableInput, { target: { value: 'new_var' } })
 
-      // Submit the form
       const form = document.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert - onSubmit should be called with moreInfo containing variable name change info
       await waitFor(() => {
         expect(onSubmit).toHaveBeenCalledWith(
           expect.objectContaining({
@@ -325,7 +257,6 @@ describe('InputFieldForm', () => {
     })
 
     it('should call onSubmit without moreInfo when variable name does not change in edit mode', async () => {
-      // Arrange - Variable name stays the same
       const initialData = createFormData({
         variable: 'same_var',
         label: 'Test Label',
@@ -337,14 +268,11 @@ describe('InputFieldForm', () => {
         isEditMode: true,
       })
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Submit without changing variable name
       const form = document.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert - onSubmit should be called without moreInfo (undefined)
       await waitFor(() => {
         expect(onSubmit).toHaveBeenCalledWith(
           expect.objectContaining({
@@ -356,7 +284,6 @@ describe('InputFieldForm', () => {
     })
 
     it('should call onSubmit without moreInfo when not in edit mode', async () => {
-      // Arrange
       const initialData = createFormData({
         variable: 'test_var',
         label: 'Test Label',
@@ -368,14 +295,11 @@ describe('InputFieldForm', () => {
         isEditMode: false,
       })
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Submit the form
       const form = document.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert - onSubmit should be called without moreInfo since not in edit mode
       await waitFor(() => {
         expect(onSubmit).toHaveBeenCalledWith(
           expect.any(Object),
@@ -385,76 +309,55 @@ describe('InputFieldForm', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // State Management Tests
-  // -------------------------------------------------------------------------
   describe('State Management', () => {
     it('should initialize showAllSettings state as false', () => {
-      // Arrange
       const props = createInputFieldFormProps()
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert - ShowAllSettings component should be visible when showAllSettings is false
       expect(screen.queryByText(/appDebug.variableConfig.showAllSettings/i)).toBeInTheDocument()
     })
 
     it('should toggle showAllSettings state when clicking show all settings', async () => {
-      // Arrange
       const props = createInputFieldFormProps()
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Act - Find and click the show all settings element
       const showAllSettingsElement = screen.getByText(/appDebug.variableConfig.showAllSettings/i)
       const clickableParent = showAllSettingsElement.closest('.cursor-pointer')
       if (clickableParent) {
         fireEvent.click(clickableParent)
       }
 
-      // Assert - After clicking, ShowAllSettings should be hidden and HiddenFields should be visible
       await waitFor(() => {
         expect(screen.queryByText(/appDebug.variableConfig.showAllSettings/i)).not.toBeInTheDocument()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should maintain stable onCancel callback reference', () => {
-      // Arrange
       const onCancel = vi.fn()
       const props = createInputFieldFormProps({ onCancel })
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
       const cancelButton = screen.getByRole('button', { name: /cancel/i })
       fireEvent.click(cancelButton)
       fireEvent.click(cancelButton)
 
-      // Assert
       expect(onCancel).toHaveBeenCalledTimes(2)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle empty initial data gracefully', () => {
-      // Arrange
       const props = createInputFieldFormProps({
         initialData: {} as Record<string, unknown>,
       })
 
-      // Act & Assert - should not crash
       expect(() => renderWithProviders(<InputFieldForm {...props} />)).not.toThrow()
     })
 
     it('should handle undefined optional fields', () => {
-      // Arrange
       const initialData = {
         type: PipelineInputVarType.textInput,
         label: 'Test',
@@ -464,75 +367,57 @@ describe('InputFieldForm', () => {
           allowedFileTypes: [],
           allowedFileExtensions: [],
         },
-        // Other fields are undefined
       }
       const props = createInputFieldFormProps({ initialData })
 
-      // Act & Assert
       expect(() => renderWithProviders(<InputFieldForm {...props} />)).not.toThrow()
     })
 
     it('should handle special characters in variable name', () => {
-      // Arrange
       const initialData = createFormData({
         variable: 'test_var_123',
         label: 'Test Label <script>',
       })
       const props = createInputFieldFormProps({ initialData })
 
-      // Act
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
   })
 })
 
-// ============================================================================
-// useHiddenFieldNames Hook Tests
-// ============================================================================
-
 describe('useHiddenFieldNames', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Return Value Tests for Different Types
-  // -------------------------------------------------------------------------
   describe('Return Values by Type', () => {
     it('should return correct field names for textInput type', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenFieldNames(PipelineInputVarType.textInput),
       )
 
-      // Assert - should include default value, placeholder, tooltips
       expect(result.current).toContain('appDebug.variableConfig.defaultValue'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.placeholder'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.tooltips'.toLowerCase())
     })
 
     it('should return correct field names for paragraph type', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenFieldNames(PipelineInputVarType.paragraph),
       )
 
-      // Assert
       expect(result.current).toContain('appDebug.variableConfig.defaultValue'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.placeholder'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.tooltips'.toLowerCase())
     })
 
     it('should return correct field names for number type', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenFieldNames(PipelineInputVarType.number),
       )
 
-      // Assert - should include unit field
       expect(result.current).toContain('appDebug.variableConfig.defaultValue'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.unit'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.placeholder'.toLowerCase())
@@ -540,86 +425,64 @@ describe('useHiddenFieldNames', () => {
     })
 
     it('should return correct field names for select type', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenFieldNames(PipelineInputVarType.select),
       )
 
-      // Assert
       expect(result.current).toContain('appDebug.variableConfig.defaultValue'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.tooltips'.toLowerCase())
     })
 
     it('should return correct field names for singleFile type', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenFieldNames(PipelineInputVarType.singleFile),
       )
 
-      // Assert
       expect(result.current).toContain('appDebug.variableConfig.uploadMethod'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.tooltips'.toLowerCase())
     })
 
     it('should return correct field names for multiFiles type', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenFieldNames(PipelineInputVarType.multiFiles),
       )
 
-      // Assert
       expect(result.current).toContain('appDebug.variableConfig.uploadMethod'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.maxNumberOfUploads'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.tooltips'.toLowerCase())
     })
 
     it('should return correct field names for checkbox type', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenFieldNames(PipelineInputVarType.checkbox),
       )
 
-      // Assert
       expect(result.current).toContain('appDebug.variableConfig.startChecked'.toLowerCase())
       expect(result.current).toContain('appDebug.variableConfig.tooltips'.toLowerCase())
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should return tooltips only for unknown type', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenFieldNames('unknown_type' as PipelineInputVarType),
       )
 
-      // Assert - should only contain tooltips for unknown types
       expect(result.current).toContain('appDebug.variableConfig.tooltips'.toLowerCase())
     })
   })
 })
 
-// ============================================================================
-// useConfigurations Hook Tests
-// ============================================================================
-
 describe('useConfigurations', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Configuration Generation Tests
-  // -------------------------------------------------------------------------
   describe('Configuration Generation', () => {
     it('should return array of configurations', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn()
       const mockSetFieldValue = vi.fn()
 
-      // Act
       const { result } = renderHookWithProviders(() =>
         useConfigurations({
           getFieldValue: mockGetFieldValue,
@@ -628,17 +491,14 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Assert
       expect(Array.isArray(result.current)).toBe(true)
       expect(result.current.length).toBeGreaterThan(0)
     })
 
     it('should include type field configuration', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn()
       const mockSetFieldValue = vi.fn()
 
-      // Act
       const { result } = renderHookWithProviders(() =>
         useConfigurations({
           getFieldValue: mockGetFieldValue,
@@ -647,18 +507,15 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Assert
       const typeConfig = result.current.find(config => config.variable === 'type')
       expect(typeConfig).toBeDefined()
       expect(typeConfig?.required).toBe(true)
     })
 
     it('should include variable field configuration', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn()
       const mockSetFieldValue = vi.fn()
 
-      // Act
       const { result } = renderHookWithProviders(() =>
         useConfigurations({
           getFieldValue: mockGetFieldValue,
@@ -667,18 +524,15 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Assert
       const variableConfig = result.current.find(config => config.variable === 'variable')
       expect(variableConfig).toBeDefined()
       expect(variableConfig?.required).toBe(true)
     })
 
     it('should include label field configuration', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn()
       const mockSetFieldValue = vi.fn()
 
-      // Act
       const { result } = renderHookWithProviders(() =>
         useConfigurations({
           getFieldValue: mockGetFieldValue,
@@ -687,18 +541,15 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Assert
       const labelConfig = result.current.find(config => config.variable === 'label')
       expect(labelConfig).toBeDefined()
       expect(labelConfig?.required).toBe(false)
     })
 
     it('should include required field configuration', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn()
       const mockSetFieldValue = vi.fn()
 
-      // Act
       const { result } = renderHookWithProviders(() =>
         useConfigurations({
           getFieldValue: mockGetFieldValue,
@@ -707,17 +558,14 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Assert
       const requiredConfig = result.current.find(config => config.variable === 'required')
       expect(requiredConfig).toBeDefined()
     })
 
     it('should pass supportFile prop to type configuration', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn()
       const mockSetFieldValue = vi.fn()
 
-      // Act
       const { result } = renderHookWithProviders(() =>
         useConfigurations({
           getFieldValue: mockGetFieldValue,
@@ -726,18 +574,13 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Assert
       const typeConfig = result.current.find(config => config.variable === 'type')
       expect(typeConfig?.supportFile).toBe(true)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Tests
-  // -------------------------------------------------------------------------
   describe('Callbacks', () => {
     it('should call setFieldValue when type changes to singleFile', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn()
       const mockSetFieldValue = vi.fn()
 
@@ -749,17 +592,14 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Act
       const typeConfig = result.current.find(config => config.variable === 'type')
       typeConfig?.listeners?.onChange?.(createMockEvent(PipelineInputVarType.singleFile))
 
-      // Assert
       expect(mockSetFieldValue).toHaveBeenCalledWith('allowedFileUploadMethods', expect.any(Array))
       expect(mockSetFieldValue).toHaveBeenCalledWith('allowedTypesAndExtensions', expect.any(Object))
     })
 
     it('should call setFieldValue when type changes to multiFiles', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn()
       const mockSetFieldValue = vi.fn()
 
@@ -771,16 +611,13 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Act
       const typeConfig = result.current.find(config => config.variable === 'type')
       typeConfig?.listeners?.onChange?.(createMockEvent(PipelineInputVarType.multiFiles))
 
-      // Assert
       expect(mockSetFieldValue).toHaveBeenCalledWith('maxLength', expect.any(Number))
     })
 
     it('should set label from variable name on blur when label is empty', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn().mockReturnValue('')
       const mockSetFieldValue = vi.fn()
 
@@ -792,16 +629,13 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Act
       const variableConfig = result.current.find(config => config.variable === 'variable')
       variableConfig?.listeners?.onBlur?.(createMockEvent('test_variable'))
 
-      // Assert
       expect(mockSetFieldValue).toHaveBeenCalledWith('label', 'test_variable')
     })
 
     it('should not set label from variable name on blur when label is not empty', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn().mockReturnValue('Existing Label')
       const mockSetFieldValue = vi.fn()
 
@@ -813,16 +647,13 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Act
       const variableConfig = result.current.find(config => config.variable === 'variable')
       variableConfig?.listeners?.onBlur?.(createMockEvent('test_variable'))
 
-      // Assert
       expect(mockSetFieldValue).not.toHaveBeenCalled()
     })
 
     it('should reset label to variable name when display name is cleared', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn().mockReturnValue('original_var')
       const mockSetFieldValue = vi.fn()
 
@@ -834,25 +665,18 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Act
       const labelConfig = result.current.find(config => config.variable === 'label')
       labelConfig?.listeners?.onBlur?.(createMockEvent(''))
 
-      // Assert
       expect(mockSetFieldValue).toHaveBeenCalledWith('label', 'original_var')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should return configurations array with correct length', () => {
-      // Arrange
       const mockGetFieldValue = vi.fn()
       const mockSetFieldValue = vi.fn()
 
-      // Act
       const { result } = renderHookWithProviders(() =>
         useConfigurations({
           getFieldValue: mockGetFieldValue,
@@ -861,77 +685,59 @@ describe('useConfigurations', () => {
         }),
       )
 
-      // Assert - should have all expected field configurations
       expect(result.current.length).toBe(8) // type, variable, label, maxLength, options, fileTypes x2, required
     })
   })
 })
 
-// ============================================================================
-// useHiddenConfigurations Hook Tests
-// ============================================================================
-
 describe('useHiddenConfigurations', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Configuration Generation Tests
-  // -------------------------------------------------------------------------
   describe('Configuration Generation', () => {
     it('should return array of hidden configurations', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options: undefined }),
       )
 
-      // Assert
       expect(Array.isArray(result.current)).toBe(true)
       expect(result.current.length).toBeGreaterThan(0)
     })
 
     it('should include default value configurations for different types', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options: undefined }),
       )
 
-      // Assert
       const defaultConfigs = result.current.filter(config => config.variable === 'default')
       expect(defaultConfigs.length).toBeGreaterThan(0)
     })
 
     it('should include tooltips configuration', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options: undefined }),
       )
 
-      // Assert
       const tooltipsConfig = result.current.find(config => config.variable === 'tooltips')
       expect(tooltipsConfig).toBeDefined()
       expect(tooltipsConfig?.showConditions).toEqual([])
     })
 
     it('should include placeholder configurations', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options: undefined }),
       )
 
-      // Assert
       const placeholderConfigs = result.current.filter(config => config.variable === 'placeholder')
       expect(placeholderConfigs.length).toBeGreaterThan(0)
     })
 
     it('should include unit configuration for number type', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options: undefined }),
       )
 
-      // Assert
       const unitConfig = result.current.find(config => config.variable === 'unit')
       expect(unitConfig).toBeDefined()
       expect(unitConfig?.showConditions).toContainEqual({
@@ -941,12 +747,10 @@ describe('useHiddenConfigurations', () => {
     })
 
     it('should include upload method configurations for file types', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options: undefined }),
       )
 
-      // Assert
       const uploadMethodConfigs = result.current.filter(
         config => config.variable === 'allowedFileUploadMethods',
       )
@@ -954,12 +758,10 @@ describe('useHiddenConfigurations', () => {
     })
 
     it('should include maxLength configuration for multiFiles', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options: undefined }),
       )
 
-      // Assert
       const maxLengthConfig = result.current.find(
         config => config.variable === 'maxLength'
           && config.showConditions?.some(c => c.value === PipelineInputVarType.multiFiles),
@@ -968,20 +770,14 @@ describe('useHiddenConfigurations', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Options Handling Tests
-  // -------------------------------------------------------------------------
   describe('Options Handling', () => {
     it('should generate select options from provided options array', () => {
-      // Arrange
       const options = ['Option A', 'Option B', 'Option C']
 
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options }),
       )
 
-      // Assert
       const selectConfig = result.current.find(
         config => config.variable === 'default'
           && config.showConditions?.some(c => c.value === PipelineInputVarType.select),
@@ -991,15 +787,12 @@ describe('useHiddenConfigurations', () => {
     })
 
     it('should include "no default selected" option', () => {
-      // Arrange
       const options = ['Option A']
 
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options }),
       )
 
-      // Assert
       const selectConfig = result.current.find(
         config => config.variable === 'default'
           && config.showConditions?.some(c => c.value === PipelineInputVarType.select),
@@ -1009,12 +802,10 @@ describe('useHiddenConfigurations', () => {
     })
 
     it('should return empty options when options is undefined', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options: undefined }),
       )
 
-      // Assert
       const selectConfig = result.current.find(
         config => config.variable === 'default'
           && config.showConditions?.some(c => c.value === PipelineInputVarType.select),
@@ -1023,17 +814,12 @@ describe('useHiddenConfigurations', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // File Size Limit Integration Tests
-  // -------------------------------------------------------------------------
   describe('File Size Limit Integration', () => {
     it('should include file size description in maxLength config', () => {
-      // Act
       const { result } = renderHookWithProviders(() =>
         useHiddenConfigurations({ options: undefined }),
       )
 
-      // Assert
       const maxLengthConfig = result.current.find(
         config => config.variable === 'maxLength'
           && config.showConditions?.some(c => c.value === PipelineInputVarType.multiFiles),
@@ -1043,36 +829,24 @@ describe('useHiddenConfigurations', () => {
   })
 })
 
-// ============================================================================
-// Schema Validation Tests
-// ============================================================================
-
 describe('createInputFieldSchema', () => {
-  // Mock translation function - cast to any to satisfy TFunction type requirements
   const mockT = ((key: string) => key) as unknown as Parameters<typeof createInputFieldSchema>[1]
 
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Common Schema Tests
-  // -------------------------------------------------------------------------
   describe('Common Schema Validation', () => {
     it('should validate required variable field', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const invalidData = { variable: '', label: 'Test', required: true, type: 'text-input' }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
 
     it('should validate variable max length', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const invalidData = {
         variable: 'a'.repeat(100),
@@ -1082,15 +856,12 @@ describe('createInputFieldSchema', () => {
         maxLength: 48,
       }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
 
     it('should validate variable does not start with number', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const invalidData = {
         variable: '123var',
@@ -1100,15 +871,12 @@ describe('createInputFieldSchema', () => {
         maxLength: 48,
       }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
 
     it('should validate variable format (alphanumeric and underscore)', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const invalidData = {
         variable: 'var-name',
@@ -1118,15 +886,12 @@ describe('createInputFieldSchema', () => {
         maxLength: 48,
       }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
 
     it('should accept valid variable name', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'valid_var_123',
@@ -1136,15 +901,12 @@ describe('createInputFieldSchema', () => {
         maxLength: 48,
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
 
     it('should validate required label field', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const invalidData = {
         variable: 'test_var',
@@ -1154,20 +916,14 @@ describe('createInputFieldSchema', () => {
         maxLength: 48,
       }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Text Input Schema Tests
-  // -------------------------------------------------------------------------
   describe('Text Input Schema', () => {
     it('should validate maxLength within bounds', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1177,15 +933,12 @@ describe('createInputFieldSchema', () => {
         maxLength: 100,
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
 
     it('should reject maxLength exceeding TEXT_MAX_LENGTH', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const invalidData = {
         variable: 'test_var',
@@ -1195,15 +948,12 @@ describe('createInputFieldSchema', () => {
         maxLength: TEXT_MAX_LENGTH + 1,
       }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
 
     it('should reject maxLength less than 1', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const invalidData = {
         variable: 'test_var',
@@ -1213,15 +963,12 @@ describe('createInputFieldSchema', () => {
         maxLength: 0,
       }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
 
     it('should allow optional default value', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.textInput, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1232,20 +979,14 @@ describe('createInputFieldSchema', () => {
         default: 'default value',
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Paragraph Schema Tests
-  // -------------------------------------------------------------------------
   describe('Paragraph Schema', () => {
     it('should validate paragraph type similar to textInput', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.paragraph, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1255,20 +996,14 @@ describe('createInputFieldSchema', () => {
         maxLength: 100,
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Number Schema Tests
-  // -------------------------------------------------------------------------
   describe('Number Schema', () => {
     it('should allow optional default number', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.number, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1278,15 +1013,12 @@ describe('createInputFieldSchema', () => {
         default: 42,
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
 
     it('should allow optional unit', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.number, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1296,20 +1028,14 @@ describe('createInputFieldSchema', () => {
         unit: 'kg',
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Select Schema Tests
-  // -------------------------------------------------------------------------
   describe('Select Schema', () => {
     it('should require non-empty options array', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.select, mockT, { maxFileUploadLimit: 10 })
       const invalidData = {
         variable: 'test_var',
@@ -1319,15 +1045,12 @@ describe('createInputFieldSchema', () => {
         options: [],
       }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
 
     it('should accept valid options array', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.select, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1337,15 +1060,12 @@ describe('createInputFieldSchema', () => {
         options: ['Option 1', 'Option 2'],
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
 
     it('should reject duplicate options', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.select, mockT, { maxFileUploadLimit: 10 })
       const invalidData = {
         variable: 'test_var',
@@ -1355,20 +1075,14 @@ describe('createInputFieldSchema', () => {
         options: ['Option 1', 'Option 1'],
       }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Single File Schema Tests
-  // -------------------------------------------------------------------------
   describe('Single File Schema', () => {
     it('should validate allowedFileUploadMethods', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.singleFile, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1381,15 +1095,12 @@ describe('createInputFieldSchema', () => {
         },
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
 
     it('should validate allowedTypesAndExtensions', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.singleFile, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1403,20 +1114,14 @@ describe('createInputFieldSchema', () => {
         },
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Multi Files Schema Tests
-  // -------------------------------------------------------------------------
   describe('Multi Files Schema', () => {
     it('should validate maxLength within file upload limit', () => {
-      // Arrange
       const maxFileUploadLimit = 10
       const schema = createInputFieldSchema(PipelineInputVarType.multiFiles, mockT, { maxFileUploadLimit })
       const validData = {
@@ -1431,15 +1136,12 @@ describe('createInputFieldSchema', () => {
         maxLength: 5,
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
 
     it('should reject maxLength exceeding file upload limit', () => {
-      // Arrange
       const maxFileUploadLimit = 10
       const schema = createInputFieldSchema(PipelineInputVarType.multiFiles, mockT, { maxFileUploadLimit })
       const invalidData = {
@@ -1454,20 +1156,14 @@ describe('createInputFieldSchema', () => {
         maxLength: 15,
       }
 
-      // Act
       const result = schema.safeParse(invalidData)
 
-      // Assert
       expect(result.success).toBe(false)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Default Schema Tests (for checkbox and other types)
-  // -------------------------------------------------------------------------
   describe('Default Schema', () => {
     it('should validate checkbox type with common schema', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.checkbox, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1476,15 +1172,12 @@ describe('createInputFieldSchema', () => {
         type: 'checkbox',
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
     })
 
     it('should allow passthrough of additional fields', () => {
-      // Arrange
       const schema = createInputFieldSchema(PipelineInputVarType.checkbox, mockT, { maxFileUploadLimit: 10 })
       const validData = {
         variable: 'test_var',
@@ -1494,10 +1187,8 @@ describe('createInputFieldSchema', () => {
         extraField: 'extra value',
       }
 
-      // Act
       const result = schema.safeParse(validData)
 
-      // Assert
       expect(result.success).toBe(true)
       if (result.success) {
         expect((result.data as Record<string, unknown>).extraField).toBe('extra value')
@@ -1506,14 +1197,9 @@ describe('createInputFieldSchema', () => {
   })
 })
 
-// ============================================================================
-// Types Tests
-// ============================================================================
-
 describe('Types', () => {
   describe('FormData type', () => {
     it('should have correct structure', () => {
-      // This is a compile-time check, but we can verify at runtime too
       const formData: FormData = {
         type: PipelineInputVarType.textInput,
         label: 'Test',
@@ -1584,10 +1270,6 @@ describe('Types', () => {
   })
 })
 
-// ============================================================================
-// TEXT_MAX_LENGTH Constant Tests
-// ============================================================================
-
 describe('TEXT_MAX_LENGTH', () => {
   it('should be a positive number', () => {
     expect(TEXT_MAX_LENGTH).toBeGreaterThan(0)
@@ -1598,78 +1280,55 @@ describe('TEXT_MAX_LENGTH', () => {
   })
 })
 
-// ============================================================================
-// InitialFields Component Tests
-// ============================================================================
-
 describe('InitialFields', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render InitialFields component without crashing', () => {
-      // Arrange
       const initialData = createFormData()
       const props = createInputFieldFormProps({ initialData })
 
-      // Act
       const { container } = renderWithProviders(<InputFieldForm {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // getFieldValue and setFieldValue Callbacks Tests
-  // -------------------------------------------------------------------------
   describe('getFieldValue and setFieldValue Callbacks', () => {
     it('should trigger getFieldValue when variable name blur event fires with empty label', async () => {
-      // Arrange - Create initial data with empty label
       const initialData = createFormData({
         variable: '',
         label: '', // Empty label to trigger the condition
       })
       const props = createInputFieldFormProps({ initialData })
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Find the variable input and trigger blur with a value
       const variableInput = screen.getByLabelText('appDebug.variableConfig.varName')
       fireEvent.change(variableInput, { target: { value: 'test_var' } })
       fireEvent.blur(variableInput)
 
-      // Assert - The label field should be updated via setFieldValue when variable blurs
-      // The getFieldValue is called to check if label is empty
       await waitFor(() => {
         const labelInput = screen.getByLabelText('appDebug.variableConfig.displayName')
-        // Label should be set to the variable value when it was empty
         expect(labelInput).toHaveValue('test_var')
       })
     })
 
     it('should not update label when it already has a value on variable blur', async () => {
-      // Arrange - Create initial data with existing label
       const initialData = createFormData({
         variable: '',
         label: 'Existing Label', // Label already has value
       })
       const props = createInputFieldFormProps({ initialData })
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Find the variable input and trigger blur with a value
       const variableInput = screen.getByLabelText('appDebug.variableConfig.varName')
       fireEvent.change(variableInput, { target: { value: 'new_var' } })
       fireEvent.blur(variableInput)
 
-      // Assert - The label field should remain unchanged because it already has a value
       await waitFor(() => {
         const labelInput = screen.getByLabelText('appDebug.variableConfig.displayName')
         expect(labelInput).toHaveValue('Existing Label')
@@ -1677,44 +1336,36 @@ describe('InitialFields', () => {
     })
 
     it('should trigger setFieldValue when display name blur event fires with empty value', async () => {
-      // Arrange - Create initial data with a variable but we will clear the label
       const initialData = createFormData({
         variable: 'original_var',
         label: 'Some Label',
       })
       const props = createInputFieldFormProps({ initialData })
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Find the label input, clear it, and trigger blur
       const labelInput = screen.getByLabelText('appDebug.variableConfig.displayName')
       fireEvent.change(labelInput, { target: { value: '' } })
       fireEvent.blur(labelInput)
 
-      // Assert - When label is cleared and blurred, it should be reset to variable name
       await waitFor(() => {
         expect(labelInput).toHaveValue('original_var')
       })
     })
 
     it('should keep label value when display name blur event fires with non-empty value', async () => {
-      // Arrange
       const initialData = createFormData({
         variable: 'test_var',
         label: 'Original Label',
       })
       const props = createInputFieldFormProps({ initialData })
 
-      // Act
       renderWithProviders(<InputFieldForm {...props} />)
 
-      // Find the label input, change it to a new value, and trigger blur
       const labelInput = screen.getByLabelText('appDebug.variableConfig.displayName')
       fireEvent.change(labelInput, { target: { value: 'New Label' } })
       fireEvent.blur(labelInput)
 
-      // Assert - Label should keep the new non-empty value
       await waitFor(() => {
         expect(labelInput).toHaveValue('New Label')
       })
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/editor/form/schema.spec.ts b/web/app/components/rag-pipeline/components/panel/input-field/editor/form/__tests__/schema.spec.ts
similarity index 94%
rename from web/app/components/rag-pipeline/components/panel/input-field/editor/form/schema.spec.ts
rename to web/app/components/rag-pipeline/components/panel/input-field/editor/form/__tests__/schema.spec.ts
index 55d1de5d81..d554f9653e 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/editor/form/schema.spec.ts
+++ b/web/app/components/rag-pipeline/components/panel/input-field/editor/form/__tests__/schema.spec.ts
@@ -1,25 +1,16 @@
 import type { TFunction } from 'i18next'
 import { describe, expect, it, vi } from 'vitest'
 import { PipelineInputVarType } from '@/models/pipeline'
-import { createInputFieldSchema, TEXT_MAX_LENGTH } from './schema'
-
-// ============================================================================
-// Mocks
-// ============================================================================
+import { createInputFieldSchema, TEXT_MAX_LENGTH } from '../schema'
 
 vi.mock('@/config', () => ({
   MAX_VAR_KEY_LENGTH: 30,
 }))
 
-// Minimal t function for testing
 const t: TFunction = ((key: string) => key) as unknown as TFunction
 
 const defaultOptions = { maxFileUploadLimit: 10 }
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('TEXT_MAX_LENGTH', () => {
   it('should be 256', () => {
     expect(TEXT_MAX_LENGTH).toBe(256)
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/field-list/hooks.spec.ts b/web/app/components/rag-pipeline/components/panel/input-field/field-list/__tests__/hooks.spec.ts
similarity index 91%
rename from web/app/components/rag-pipeline/components/panel/input-field/field-list/hooks.spec.ts
rename to web/app/components/rag-pipeline/components/panel/input-field/field-list/__tests__/hooks.spec.ts
index d06842e2bb..f53222c7d5 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/field-list/hooks.spec.ts
+++ b/web/app/components/rag-pipeline/components/panel/input-field/field-list/__tests__/hooks.spec.ts
@@ -2,17 +2,7 @@ import type { InputVar } from '@/models/pipeline'
 import { renderHook } from '@testing-library/react'
 import { act } from 'react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-import { useFieldList } from './hooks'
-
-// ============================================================================
-// Mocks
-// ============================================================================
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
+import { useFieldList } from '../hooks'
 
 const mockToggleInputFieldEditPanel = vi.fn()
 vi.mock('@/app/components/rag-pipeline/hooks', () => ({
@@ -24,7 +14,7 @@ vi.mock('@/app/components/rag-pipeline/hooks', () => ({
 const mockHandleInputVarRename = vi.fn()
 const mockIsVarUsedInNodes = vi.fn()
 const mockRemoveUsedVarInNodes = vi.fn()
-vi.mock('../../../../hooks/use-pipeline', () => ({
+vi.mock('../../../../../hooks/use-pipeline', () => ({
   usePipeline: () => ({
     handleInputVarRename: mockHandleInputVarRename,
     isVarUsedInNodes: mockIsVarUsedInNodes,
@@ -46,10 +36,6 @@ vi.mock('@/app/components/workflow/types', () => ({
   },
 }))
 
-// ============================================================================
-// Test data helpers
-// ============================================================================
-
 function createInputVar(overrides?: Partial<InputVar>): InputVar {
   return {
     type: 'text-input',
@@ -70,10 +56,6 @@ function createDefaultProps(overrides?: Partial<Parameters<typeof useFieldList>[
   }
 }
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('useFieldList', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -216,14 +198,12 @@ describe('useFieldList', () => {
         })),
       )
 
-      // Trigger remove to set up confirmation state
       act(() => {
         result.current.handleRemoveField(0)
       })
 
       expect(result.current.isShowRemoveVarConfirm).toBe(true)
 
-      // Confirm removal
       act(() => {
         result.current.onRemoveVarConfirm()
       })
@@ -292,12 +272,10 @@ describe('useFieldList', () => {
         useFieldList(createDefaultProps({ onInputFieldsChange })),
       )
 
-      // Open editor for new field
       act(() => {
         result.current.handleOpenInputFieldEditor()
       })
 
-      // Get the onSubmit callback from editor
       const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
       const newField = createInputVar({ variable: 'new_var', label: 'New' })
 
@@ -319,7 +297,6 @@ describe('useFieldList', () => {
         })),
       )
 
-      // Open editor for new field (not editing existing)
       act(() => {
         result.current.handleOpenInputFieldEditor()
       })
@@ -349,7 +326,6 @@ describe('useFieldList', () => {
         })),
       )
 
-      // Open editor for existing field
       act(() => {
         result.current.handleOpenInputFieldEditor('old_name')
       })
@@ -381,13 +357,11 @@ describe('useFieldList', () => {
         useFieldList(createDefaultProps({ initialInputFields: [var1] })),
       )
 
-      // Show confirmation
       act(() => {
         result.current.handleRemoveField(0)
       })
       expect(result.current.isShowRemoveVarConfirm).toBe(true)
 
-      // Hide confirmation
       act(() => {
         result.current.hideRemoveVarConfirm()
       })
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/field-list/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/input-field/field-list/__tests__/index.spec.tsx
similarity index 80%
rename from web/app/components/rag-pipeline/components/panel/input-field/field-list/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/input-field/field-list/__tests__/index.spec.tsx
index 1df31dd1f8..b4332781a6 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/field-list/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/input-field/field-list/__tests__/index.spec.tsx
@@ -1,17 +1,12 @@
-import type { SortableItem } from './types'
+import type { SortableItem } from '../types'
 import type { InputVar } from '@/models/pipeline'
 import { fireEvent, render, screen, waitFor } from '@testing-library/react'
 import * as React from 'react'
 import { PipelineInputVarType } from '@/models/pipeline'
-import FieldItem from './field-item'
-import FieldListContainer from './field-list-container'
-import FieldList from './index'
+import FieldItem from '../field-item'
+import FieldListContainer from '../field-list-container'
+import FieldList from '../index'
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock ahooks useHover
 let mockIsHovering = false
 const getMockIsHovering = () => mockIsHovering
 
@@ -23,7 +18,6 @@ vi.mock('ahooks', async (importOriginal) => {
   }
 })
 
-// Mock react-sortablejs
 vi.mock('react-sortablejs', () => ({
   ReactSortable: ({ children, list, setList, disabled, className }: {
     children: React.ReactNode
@@ -42,7 +36,6 @@ vi.mock('react-sortablejs', () => ({
         data-testid="trigger-sort"
         onClick={() => {
           if (!disabled && list.length > 1) {
-            // Simulate reorder: swap first two items
             const newList = [...list]
             const temp = newList[0]
             newList[0] = newList[1]
@@ -56,7 +49,6 @@ vi.mock('react-sortablejs', () => ({
       <button
         data-testid="trigger-same-sort"
         onClick={() => {
-          // Trigger setList with same list (no actual change)
           setList([...list])
         }}
       >
@@ -66,12 +58,11 @@ vi.mock('react-sortablejs', () => ({
   ),
 }))
 
-// Mock usePipeline hook
 const mockHandleInputVarRename = vi.fn()
 const mockIsVarUsedInNodes = vi.fn(() => false)
 const mockRemoveUsedVarInNodes = vi.fn()
 
-vi.mock('../../../../hooks/use-pipeline', () => ({
+vi.mock('../../../../../hooks/use-pipeline', () => ({
   usePipeline: () => ({
     handleInputVarRename: mockHandleInputVarRename,
     isVarUsedInNodes: mockIsVarUsedInNodes,
@@ -79,7 +70,6 @@ vi.mock('../../../../hooks/use-pipeline', () => ({
   }),
 }))
 
-// Mock useInputFieldPanel hook
 const mockToggleInputFieldEditPanel = vi.fn()
 
 vi.mock('@/app/components/rag-pipeline/hooks', () => ({
@@ -88,14 +78,12 @@ vi.mock('@/app/components/rag-pipeline/hooks', () => ({
   }),
 }))
 
-// Mock Toast
 vi.mock('@/app/components/base/toast', () => ({
   default: {
     notify: vi.fn(),
   },
 }))
 
-// Mock RemoveEffectVarConfirm
 vi.mock('@/app/components/workflow/nodes/_base/components/remove-effect-var-confirm', () => ({
   default: ({
     isShow,
@@ -115,10 +103,6 @@ vi.mock('@/app/components/workflow/nodes/_base/components/remove-effect-var-conf
     : null,
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 const createInputVar = (overrides?: Partial<InputVar>): InputVar => ({
   type: PipelineInputVarType.textInput,
   label: 'Test Label',
@@ -155,25 +139,16 @@ const createSortableItem = (
   ...overrides,
 })
 
-// ============================================================================
-// FieldItem Component Tests
-// ============================================================================
-
 describe('FieldItem', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     mockIsHovering = false
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render field item with variable name', () => {
-      // Arrange
       const payload = createInputVar({ variable: 'my_field' })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -183,15 +158,12 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('my_field')).toBeInTheDocument()
     })
 
     it('should render field item with label when provided', () => {
-      // Arrange
       const payload = createInputVar({ variable: 'field', label: 'Field Label' })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -201,15 +173,12 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Field Label')).toBeInTheDocument()
     })
 
     it('should not render label when empty', () => {
-      // Arrange
       const payload = createInputVar({ variable: 'field', label: '' })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -219,16 +188,13 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       expect(screen.queryByText('·')).not.toBeInTheDocument()
     })
 
     it('should render required badge when not hovering and required is true', () => {
-      // Arrange
       mockIsHovering = false
       const payload = createInputVar({ required: true })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -238,16 +204,13 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(/required/i)).toBeInTheDocument()
     })
 
     it('should not render required badge when required is false', () => {
-      // Arrange
       mockIsHovering = false
       const payload = createInputVar({ required: false })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -257,16 +220,13 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       expect(screen.queryByText(/required/i)).not.toBeInTheDocument()
     })
 
     it('should render InputField icon when not hovering', () => {
-      // Arrange
       mockIsHovering = false
       const payload = createInputVar()
 
-      // Act
       const { container } = render(
         <FieldItem
           payload={payload}
@@ -276,17 +236,14 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert - InputField icon should be present (not RiDraggable)
       const icons = container.querySelectorAll('svg')
       expect(icons.length).toBeGreaterThan(0)
     })
 
     it('should render drag icon when hovering and not readonly', () => {
-      // Arrange
       mockIsHovering = true
       const payload = createInputVar()
 
-      // Act
       const { container } = render(
         <FieldItem
           payload={payload}
@@ -297,17 +254,14 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert - RiDraggable icon should be present
       const icons = container.querySelectorAll('svg')
       expect(icons.length).toBeGreaterThan(0)
     })
 
     it('should render edit and delete buttons when hovering and not readonly', () => {
-      // Arrange
       mockIsHovering = true
       const payload = createInputVar()
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -318,17 +272,14 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       const buttons = screen.getAllByRole('button')
       expect(buttons.length).toBe(2) // Edit and Delete buttons
     })
 
     it('should not render edit and delete buttons when readonly', () => {
-      // Arrange
       mockIsHovering = true
       const payload = createInputVar()
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -339,23 +290,17 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       const buttons = screen.queryAllByRole('button')
       expect(buttons.length).toBe(0)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onClickEdit with variable when edit button is clicked', () => {
-      // Arrange
       mockIsHovering = true
       const onClickEdit = vi.fn()
       const payload = createInputVar({ variable: 'test_var' })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -367,17 +312,14 @@ describe('FieldItem', () => {
       const buttons = screen.getAllByRole('button')
       fireEvent.click(buttons[0]) // Edit button
 
-      // Assert
       expect(onClickEdit).toHaveBeenCalledWith('test_var')
     })
 
     it('should call onRemove with index when delete button is clicked', () => {
-      // Arrange
       mockIsHovering = true
       const onRemove = vi.fn()
       const payload = createInputVar()
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -389,17 +331,14 @@ describe('FieldItem', () => {
       const buttons = screen.getAllByRole('button')
       fireEvent.click(buttons[1]) // Delete button
 
-      // Assert
       expect(onRemove).toHaveBeenCalledWith(5)
     })
 
     it('should not call onClickEdit when readonly', () => {
-      // Arrange
       mockIsHovering = true
       const onClickEdit = vi.fn()
       const payload = createInputVar()
 
-      // Render without readonly to get buttons, then check behavior
       const { rerender } = render(
         <FieldItem
           payload={payload}
@@ -410,7 +349,6 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Re-render with readonly but buttons still exist from previous state check
       rerender(
         <FieldItem
           payload={payload}
@@ -421,18 +359,15 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert - no buttons should be rendered when readonly
       expect(screen.queryAllByRole('button').length).toBe(0)
     })
 
     it('should stop event propagation when edit button is clicked', () => {
-      // Arrange
       mockIsHovering = true
       const onClickEdit = vi.fn()
       const parentClick = vi.fn()
       const payload = createInputVar()
 
-      // Act
       render(
         <div onClick={parentClick}>
           <FieldItem
@@ -446,19 +381,16 @@ describe('FieldItem', () => {
       const buttons = screen.getAllByRole('button')
       fireEvent.click(buttons[0])
 
-      // Assert - parent click should not be called due to stopPropagation
       expect(onClickEdit).toHaveBeenCalled()
       expect(parentClick).not.toHaveBeenCalled()
     })
 
     it('should stop event propagation when delete button is clicked', () => {
-      // Arrange
       mockIsHovering = true
       const onRemove = vi.fn()
       const parentClick = vi.fn()
       const payload = createInputVar()
 
-      // Act
       render(
         <div onClick={parentClick}>
           <FieldItem
@@ -472,23 +404,17 @@ describe('FieldItem', () => {
       const buttons = screen.getAllByRole('button')
       fireEvent.click(buttons[1])
 
-      // Assert
       expect(onRemove).toHaveBeenCalled()
       expect(parentClick).not.toHaveBeenCalled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should maintain stable handleOnClickEdit when props dont change', () => {
-      // Arrange
       mockIsHovering = true
       const onClickEdit = vi.fn()
       const payload = createInputVar()
 
-      // Act
       const { rerender } = render(
         <FieldItem
           payload={payload}
@@ -511,21 +437,15 @@ describe('FieldItem', () => {
       const buttonsAfterRerender = screen.getAllByRole('button')
       fireEvent.click(buttonsAfterRerender[0])
 
-      // Assert
       expect(onClickEdit).toHaveBeenCalledTimes(2)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle very long variable names with truncation', () => {
-      // Arrange
       const longVariable = 'a'.repeat(200)
       const payload = createInputVar({ variable: longVariable })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -535,17 +455,14 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       const varElement = screen.getByTitle(longVariable)
       expect(varElement).toHaveClass('truncate')
     })
 
     it('should handle very long label names with truncation', () => {
-      // Arrange
       const longLabel = 'b'.repeat(200)
       const payload = createInputVar({ label: longLabel })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -555,19 +472,16 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       const labelElement = screen.getByTitle(longLabel)
       expect(labelElement).toHaveClass('truncate')
     })
 
     it('should handle special characters in variable and label', () => {
-      // Arrange
       const payload = createInputVar({
         variable: '<test>&"var\'',
         label: '<label>&"test\'',
       })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -577,19 +491,16 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('<test>&"var\'')).toBeInTheDocument()
       expect(screen.getByText('<label>&"test\'')).toBeInTheDocument()
     })
 
     it('should handle unicode characters', () => {
-      // Arrange
       const payload = createInputVar({
         variable: '变量_🎉',
         label: '标签_😀',
       })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -599,13 +510,11 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('变量_🎉')).toBeInTheDocument()
       expect(screen.getByText('标签_😀')).toBeInTheDocument()
     })
 
     it('should render different input types correctly', () => {
-      // Arrange
       const types = [
         PipelineInputVarType.textInput,
         PipelineInputVarType.paragraph,
@@ -619,7 +528,6 @@ describe('FieldItem', () => {
       types.forEach((type) => {
         const payload = createInputVar({ type })
 
-        // Act
         const { unmount } = render(
           <FieldItem
             payload={payload}
@@ -629,24 +537,18 @@ describe('FieldItem', () => {
           />,
         )
 
-        // Assert
         expect(screen.getByText('test_variable')).toBeInTheDocument()
         unmount()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be memoized with React.memo', () => {
-      // Arrange
       const payload = createInputVar()
       const onClickEdit = vi.fn()
       const onRemove = vi.fn()
 
-      // Act
       const { rerender } = render(
         <FieldItem
           payload={payload}
@@ -656,7 +558,6 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Rerender with same props
       rerender(
         <FieldItem
           payload={payload}
@@ -666,21 +567,15 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert - component should still render correctly
       expect(screen.getByText('test_variable')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Readonly Mode Behavior Tests
-  // -------------------------------------------------------------------------
   describe('Readonly Mode Behavior', () => {
     it('should not render action buttons in readonly mode even when hovering', () => {
-      // Arrange
       mockIsHovering = true
       const payload = createInputVar()
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -691,16 +586,13 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert - no action buttons should be rendered
       expect(screen.queryAllByRole('button')).toHaveLength(0)
     })
 
     it('should render type icon and required badge in readonly mode when hovering', () => {
-      // Arrange
       mockIsHovering = true
       const payload = createInputVar({ required: true })
 
-      // Act
       render(
         <FieldItem
           payload={payload}
@@ -711,15 +603,12 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert - required badge should be visible instead of action buttons
       expect(screen.getByText(/required/i)).toBeInTheDocument()
     })
 
     it('should apply cursor-default class when readonly', () => {
-      // Arrange
       const payload = createInputVar()
 
-      // Act
       const { container } = render(
         <FieldItem
           payload={payload}
@@ -730,17 +619,14 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       const fieldItem = container.firstChild as HTMLElement
       expect(fieldItem.className).toContain('cursor-default')
     })
 
     it('should apply cursor-all-scroll class when hovering and not readonly', () => {
-      // Arrange
       mockIsHovering = true
       const payload = createInputVar()
 
-      // Act
       const { container } = render(
         <FieldItem
           payload={payload}
@@ -751,32 +637,22 @@ describe('FieldItem', () => {
         />,
       )
 
-      // Assert
       const fieldItem = container.firstChild as HTMLElement
       expect(fieldItem.className).toContain('cursor-all-scroll')
     })
   })
 })
 
-// ============================================================================
-// FieldListContainer Component Tests
-// ============================================================================
-
 describe('FieldListContainer', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     mockIsHovering = false
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render sortable container', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -786,15 +662,12 @@ describe('FieldListContainer', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('sortable-container')).toBeInTheDocument()
     })
 
     it('should render all field items', () => {
-      // Arrange
       const inputFields = createInputVarList(3)
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -804,14 +677,12 @@ describe('FieldListContainer', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('var_0')).toBeInTheDocument()
       expect(screen.getByText('var_1')).toBeInTheDocument()
       expect(screen.getByText('var_2')).toBeInTheDocument()
     })
 
     it('should render empty list without errors', () => {
-      // Act
       render(
         <FieldListContainer
           inputFields={[]}
@@ -821,15 +692,12 @@ describe('FieldListContainer', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('sortable-container')).toBeInTheDocument()
     })
 
     it('should apply custom className', () => {
-      // Arrange
       const inputFields = createInputVarList(1)
 
-      // Act
       render(
         <FieldListContainer
           className="custom-class"
@@ -840,16 +708,13 @@ describe('FieldListContainer', () => {
         />,
       )
 
-      // Assert
       const container = screen.getByTestId('sortable-container')
       expect(container.className).toContain('custom-class')
     })
 
     it('should disable sorting when readonly is true', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -860,22 +725,16 @@ describe('FieldListContainer', () => {
         />,
       )
 
-      // Assert
       const container = screen.getByTestId('sortable-container')
       expect(container.dataset.disabled).toBe('true')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onListSortChange when items are reordered', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
       const onListSortChange = vi.fn()
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -886,16 +745,13 @@ describe('FieldListContainer', () => {
       )
       fireEvent.click(screen.getByTestId('trigger-sort'))
 
-      // Assert
       expect(onListSortChange).toHaveBeenCalled()
     })
 
     it('should not call onListSortChange when list hasnt changed', () => {
-      // Arrange
       const inputFields = [createInputVar()]
       const onListSortChange = vi.fn()
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -906,16 +762,13 @@ describe('FieldListContainer', () => {
       )
       fireEvent.click(screen.getByTestId('trigger-sort'))
 
-      // Assert - with only one item, no reorder happens
       expect(onListSortChange).not.toHaveBeenCalled()
     })
 
     it('should not call onListSortChange when disabled', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
       const onListSortChange = vi.fn()
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -927,16 +780,13 @@ describe('FieldListContainer', () => {
       )
       fireEvent.click(screen.getByTestId('trigger-sort'))
 
-      // Assert
       expect(onListSortChange).not.toHaveBeenCalled()
     })
 
     it('should not call onListSortChange when list order is unchanged (isEqual check)', () => {
-      // Arrange - This tests line 42 in field-list-container.tsx
       const inputFields = createInputVarList(2)
       const onListSortChange = vi.fn()
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -945,20 +795,16 @@ describe('FieldListContainer', () => {
           onEditField={vi.fn()}
         />,
       )
-      // Trigger same sort - passes same list to setList
       fireEvent.click(screen.getByTestId('trigger-same-sort'))
 
-      // Assert - onListSortChange should NOT be called due to isEqual check
       expect(onListSortChange).not.toHaveBeenCalled()
     })
 
     it('should pass onEditField to FieldItem', () => {
-      // Arrange
       mockIsHovering = true
       const inputFields = createInputVarList(1)
       const onEditField = vi.fn()
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -970,17 +816,14 @@ describe('FieldListContainer', () => {
       const buttons = screen.getAllByRole('button')
       fireEvent.click(buttons[0]) // Edit button
 
-      // Assert
       expect(onEditField).toHaveBeenCalledWith('var_0')
     })
 
     it('should pass onRemoveField to FieldItem', () => {
-      // Arrange
       mockIsHovering = true
       const inputFields = createInputVarList(1)
       const onRemoveField = vi.fn()
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -992,24 +835,18 @@ describe('FieldListContainer', () => {
       const buttons = screen.getAllByRole('button')
       fireEvent.click(buttons[1]) // Delete button
 
-      // Assert
       expect(onRemoveField).toHaveBeenCalledWith(0)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // List Conversion Tests
-  // -------------------------------------------------------------------------
   describe('List Conversion', () => {
     it('should convert InputVar[] to SortableItem[]', () => {
-      // Arrange
       const inputFields = [
         createInputVar({ variable: 'var1' }),
         createInputVar({ variable: 'var2' }),
       ]
       const onListSortChange = vi.fn()
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -1020,7 +857,6 @@ describe('FieldListContainer', () => {
       )
       fireEvent.click(screen.getByTestId('trigger-sort'))
 
-      // Assert - onListSortChange should receive SortableItem[]
       expect(onListSortChange).toHaveBeenCalled()
       const calledWith = onListSortChange.mock.calls[0][0]
       expect(calledWith[0]).toHaveProperty('id')
@@ -1029,16 +865,11 @@ describe('FieldListContainer', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should memoize list transformation', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
       const onListSortChange = vi.fn()
 
-      // Act
       const { rerender } = render(
         <FieldListContainer
           inputFields={inputFields}
@@ -1057,15 +888,12 @@ describe('FieldListContainer', () => {
         />,
       )
 
-      // Assert - component should still render correctly
       expect(screen.getByText('var_0')).toBeInTheDocument()
     })
 
     it('should be memoized with React.memo', () => {
-      // Arrange
       const inputFields = createInputVarList(1)
 
-      // Act
       const { rerender } = render(
         <FieldListContainer
           inputFields={inputFields}
@@ -1075,7 +903,6 @@ describe('FieldListContainer', () => {
         />,
       )
 
-      // Rerender with same props
       rerender(
         <FieldListContainer
           inputFields={inputFields}
@@ -1085,20 +912,14 @@ describe('FieldListContainer', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('var_0')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle large list of items', () => {
-      // Arrange
       const inputFields = createInputVarList(100)
 
-      // Act
       render(
         <FieldListContainer
           inputFields={inputFields}
@@ -1108,14 +929,11 @@ describe('FieldListContainer', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('var_0')).toBeInTheDocument()
       expect(screen.getByText('var_99')).toBeInTheDocument()
     })
 
     it('should throw error when inputFields is undefined', () => {
-      // This test documents that undefined inputFields will cause an error
-      // In production, this should be prevented by TypeScript
       expect(() =>
         render(
           <FieldListContainer
@@ -1130,10 +948,6 @@ describe('FieldListContainer', () => {
   })
 })
 
-// ============================================================================
-// FieldList Component Tests (Integration)
-// ============================================================================
-
 describe('FieldList', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1141,15 +955,10 @@ describe('FieldList', () => {
     mockIsVarUsedInNodes.mockReturnValue(false)
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render FieldList component', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1160,16 +969,13 @@ describe('FieldList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Label Content')).toBeInTheDocument()
       expect(screen.getByText('var_0')).toBeInTheDocument()
     })
 
     it('should render add button', () => {
-      // Arrange
       const inputFields = createInputVarList(1)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1180,7 +986,6 @@ describe('FieldList', () => {
         />,
       )
 
-      // Assert
       const addButton = screen.getAllByRole('button').find(btn =>
         btn.querySelector('svg'),
       )
@@ -1188,10 +993,8 @@ describe('FieldList', () => {
     })
 
     it('should disable add button when readonly', () => {
-      // Arrange
       const inputFields = createInputVarList(1)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1203,7 +1006,6 @@ describe('FieldList', () => {
         />,
       )
 
-      // Assert
       const addButton = screen.getAllByRole('button').find(btn =>
         btn.querySelector('svg'),
       )
@@ -1211,10 +1013,8 @@ describe('FieldList', () => {
     })
 
     it('should apply custom labelClassName', () => {
-      // Arrange
       const inputFields = createInputVarList(1)
 
-      // Act
       const { container } = render(
         <FieldList
           nodeId="node-1"
@@ -1226,21 +1026,15 @@ describe('FieldList', () => {
         />,
       )
 
-      // Assert
       const labelContainer = container.querySelector('.custom-label-class')
       expect(labelContainer).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should open editor panel when add button is clicked', () => {
-      // Arrange
       const inputFields = createInputVarList(1)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1256,15 +1050,12 @@ describe('FieldList', () => {
       if (addButton)
         fireEvent.click(addButton)
 
-      // Assert
       expect(mockToggleInputFieldEditPanel).toHaveBeenCalled()
     })
 
     it('should not open editor when readonly and add button clicked', () => {
-      // Arrange
       const inputFields = createInputVarList(1)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1281,21 +1072,15 @@ describe('FieldList', () => {
       if (addButton)
         fireEvent.click(addButton)
 
-      // Assert - button is disabled so click shouldnt work
       expect(mockToggleInputFieldEditPanel).not.toHaveBeenCalled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Tests
-  // -------------------------------------------------------------------------
   describe('Callback Handling', () => {
     it('should call handleInputFieldsChange with nodeId when fields change', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-123"
@@ -1305,10 +1090,8 @@ describe('FieldList', () => {
           allVariableNames={[]}
         />,
       )
-      // Trigger sort to cause fields change
       fireEvent.click(screen.getByTestId('trigger-sort'))
 
-      // Assert
       expect(handleInputFieldsChange).toHaveBeenCalledWith(
         'node-123',
         expect.any(Array),
@@ -1316,17 +1099,12 @@ describe('FieldList', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Remove Confirmation Tests
-  // -------------------------------------------------------------------------
   describe('Remove Confirmation', () => {
     it('should show remove confirmation when variable is used in nodes', async () => {
-      // Arrange
       mockIsVarUsedInNodes.mockReturnValue(true)
       mockIsHovering = true
       const inputFields = createInputVarList(1)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1337,26 +1115,21 @@ describe('FieldList', () => {
         />,
       )
 
-      // Find all buttons in the sortable container (edit and delete)
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
-      // The second button should be the delete button
       if (fieldItemButtons.length >= 2)
         fireEvent.click(fieldItemButtons[1])
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('remove-var-confirm')).toBeInTheDocument()
       })
     })
 
     it('should hide remove confirmation when cancel is clicked', async () => {
-      // Arrange
       mockIsVarUsedInNodes.mockReturnValue(true)
       mockIsHovering = true
       const inputFields = createInputVarList(1)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1367,7 +1140,6 @@ describe('FieldList', () => {
         />,
       )
 
-      // Trigger remove - find delete button in sortable container
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
       if (fieldItemButtons.length >= 2)
@@ -1377,23 +1149,19 @@ describe('FieldList', () => {
         expect(screen.getByTestId('remove-var-confirm')).toBeInTheDocument()
       })
 
-      // Click cancel
       fireEvent.click(screen.getByTestId('confirm-cancel'))
 
-      // Assert
       await waitFor(() => {
         expect(screen.queryByTestId('remove-var-confirm')).not.toBeInTheDocument()
       })
     })
 
     it('should remove field and call removeUsedVarInNodes when confirm is clicked', async () => {
-      // Arrange
       mockIsVarUsedInNodes.mockReturnValue(true)
       mockIsHovering = true
       const inputFields = createInputVarList(1)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1404,7 +1172,6 @@ describe('FieldList', () => {
         />,
       )
 
-      // Trigger remove - find delete button in sortable container
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
       if (fieldItemButtons.length >= 2)
@@ -1414,10 +1181,8 @@ describe('FieldList', () => {
         expect(screen.getByTestId('remove-var-confirm')).toBeInTheDocument()
       })
 
-      // Click confirm
       fireEvent.click(screen.getByTestId('confirm-ok'))
 
-      // Assert
       await waitFor(() => {
         expect(handleInputFieldsChange).toHaveBeenCalled()
         expect(mockRemoveUsedVarInNodes).toHaveBeenCalled()
@@ -1425,13 +1190,11 @@ describe('FieldList', () => {
     })
 
     it('should remove field directly when variable is not used in nodes', () => {
-      // Arrange
       mockIsVarUsedInNodes.mockReturnValue(false)
       mockIsHovering = true
       const inputFields = createInputVarList(2)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1442,24 +1205,18 @@ describe('FieldList', () => {
         />,
       )
 
-      // Find delete button in sortable container
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
       if (fieldItemButtons.length >= 2)
         fireEvent.click(fieldItemButtons[1])
 
-      // Assert - should not show confirmation
       expect(screen.queryByTestId('remove-var-confirm')).not.toBeInTheDocument()
       expect(handleInputFieldsChange).toHaveBeenCalled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle empty inputFields', () => {
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1470,12 +1227,10 @@ describe('FieldList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('sortable-container')).toBeInTheDocument()
     })
 
     it('should handle null LabelRightContent', () => {
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1486,12 +1241,10 @@ describe('FieldList', () => {
         />,
       )
 
-      // Assert - should render without errors
       expect(screen.getByText('var_0')).toBeInTheDocument()
     })
 
     it('should handle complex LabelRightContent', () => {
-      // Arrange
       const complexContent = (
         <div data-testid="complex-content">
           <span>Part 1</span>
@@ -1499,7 +1252,6 @@ describe('FieldList', () => {
         </div>
       )
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1510,22 +1262,16 @@ describe('FieldList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('complex-content')).toBeInTheDocument()
       expect(screen.getByText('Part 1')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped with React.memo', () => {
-      // Arrange
       const inputFields = createInputVarList(1)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       const { rerender } = render(
         <FieldList
           nodeId="node-1"
@@ -1546,16 +1292,13 @@ describe('FieldList', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('var_0')).toBeInTheDocument()
     })
 
     it('should maintain stable onInputFieldsChange callback', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       const { rerender } = render(
         <FieldList
           nodeId="node-1"
@@ -1580,31 +1323,21 @@ describe('FieldList', () => {
 
       fireEvent.click(screen.getByTestId('trigger-sort'))
 
-      // Assert
       expect(handleInputFieldsChange).toHaveBeenCalledTimes(2)
     })
   })
 })
 
-// ============================================================================
-// useFieldList Hook Tests
-// ============================================================================
-
 describe('useFieldList Hook', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     mockIsVarUsedInNodes.mockReturnValue(false)
   })
 
-  // -------------------------------------------------------------------------
-  // Initialization Tests
-  // -------------------------------------------------------------------------
   describe('Initialization', () => {
     it('should initialize with provided inputFields', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1615,13 +1348,11 @@ describe('useFieldList Hook', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('var_0')).toBeInTheDocument()
       expect(screen.getByText('var_1')).toBeInTheDocument()
     })
 
     it('should initialize with empty inputFields', () => {
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1632,21 +1363,15 @@ describe('useFieldList Hook', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('sortable-container')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // handleListSortChange Tests
-  // -------------------------------------------------------------------------
   describe('handleListSortChange', () => {
     it('should update inputFields and call onInputFieldsChange', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1658,7 +1383,6 @@ describe('useFieldList Hook', () => {
       )
       fireEvent.click(screen.getByTestId('trigger-sort'))
 
-      // Assert
       expect(handleInputFieldsChange).toHaveBeenCalledWith(
         'node-1',
         expect.arrayContaining([
@@ -1669,11 +1393,9 @@ describe('useFieldList Hook', () => {
     })
 
     it('should strip sortable properties from list items', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1685,7 +1407,6 @@ describe('useFieldList Hook', () => {
       )
       fireEvent.click(screen.getByTestId('trigger-sort'))
 
-      // Assert
       const calledWith = handleInputFieldsChange.mock.calls[0][1]
       expect(calledWith[0]).not.toHaveProperty('id')
       expect(calledWith[0]).not.toHaveProperty('chosen')
@@ -1693,17 +1414,12 @@ describe('useFieldList Hook', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // handleRemoveField Tests
-  // -------------------------------------------------------------------------
   describe('handleRemoveField', () => {
     it('should show confirmation when variable is used', async () => {
-      // Arrange
       mockIsVarUsedInNodes.mockReturnValue(true)
       mockIsHovering = true
       const inputFields = createInputVarList(1)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1714,26 +1430,22 @@ describe('useFieldList Hook', () => {
         />,
       )
 
-      // Find delete button in sortable container
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
       if (fieldItemButtons.length >= 2)
         fireEvent.click(fieldItemButtons[1])
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('remove-var-confirm')).toBeInTheDocument()
       })
     })
 
     it('should remove directly when variable is not used', () => {
-      // Arrange
       mockIsVarUsedInNodes.mockReturnValue(false)
       mockIsHovering = true
       const inputFields = createInputVarList(2)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1744,25 +1456,21 @@ describe('useFieldList Hook', () => {
         />,
       )
 
-      // Find delete button in sortable container
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
       if (fieldItemButtons.length >= 2)
         fireEvent.click(fieldItemButtons[1])
 
-      // Assert
       expect(screen.queryByTestId('remove-var-confirm')).not.toBeInTheDocument()
       expect(handleInputFieldsChange).toHaveBeenCalled()
     })
 
     it('should not call handleInputFieldsChange immediately when variable is used (lines 70-72)', async () => {
-      // Arrange - This tests that when variable is used, we show confirmation instead of removing directly
       mockIsVarUsedInNodes.mockReturnValue(true)
       mockIsHovering = true
       const inputFields = createInputVarList(1)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1773,13 +1481,11 @@ describe('useFieldList Hook', () => {
         />,
       )
 
-      // Find delete button and click it
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
       if (fieldItemButtons.length >= 2)
         fireEvent.click(fieldItemButtons[1])
 
-      // Assert - handleInputFieldsChange should NOT be called yet (waiting for confirmation)
       await waitFor(() => {
         expect(screen.getByTestId('remove-var-confirm')).toBeInTheDocument()
       })
@@ -1787,12 +1493,10 @@ describe('useFieldList Hook', () => {
     })
 
     it('should call isVarUsedInNodes with correct variable selector', async () => {
-      // Arrange
       mockIsVarUsedInNodes.mockReturnValue(true)
       mockIsHovering = true
       const inputFields = [createInputVar({ variable: 'my_test_var' })]
 
-      // Act
       render(
         <FieldList
           nodeId="test-node-123"
@@ -1808,18 +1512,15 @@ describe('useFieldList Hook', () => {
       if (fieldItemButtons.length >= 2)
         fireEvent.click(fieldItemButtons[1])
 
-      // Assert
       expect(mockIsVarUsedInNodes).toHaveBeenCalledWith(['rag', 'test-node-123', 'my_test_var'])
     })
 
     it('should handle empty variable name gracefully', async () => {
-      // Arrange - Tests line 70 with empty variable
       mockIsVarUsedInNodes.mockReturnValue(false)
       mockIsHovering = true
       const inputFields = [createInputVar({ variable: '' })]
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1835,18 +1536,15 @@ describe('useFieldList Hook', () => {
       if (fieldItemButtons.length >= 2)
         fireEvent.click(fieldItemButtons[1])
 
-      // Assert - should still work with empty variable
       expect(mockIsVarUsedInNodes).toHaveBeenCalledWith(['rag', 'node-1', ''])
     })
 
     it('should set removedVar and removedIndex when showing confirmation (lines 71-73)', async () => {
-      // Arrange - Tests the setRemovedVar and setRemoveIndex calls in lines 71-73
       mockIsVarUsedInNodes.mockReturnValue(true)
       mockIsHovering = true
       const inputFields = createInputVarList(3)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1857,22 +1555,17 @@ describe('useFieldList Hook', () => {
         />,
       )
 
-      // Click delete on the SECOND item (index 1)
       const sortableContainer = screen.getByTestId('sortable-container')
       const allFieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
-      // Each field item has 2 buttons (edit, delete), so index 3 is delete of second item
       if (allFieldItemButtons.length >= 4)
         fireEvent.click(allFieldItemButtons[3])
 
-      // Show confirmation
       await waitFor(() => {
         expect(screen.getByTestId('remove-var-confirm')).toBeInTheDocument()
       })
 
-      // Click confirm
       fireEvent.click(screen.getByTestId('confirm-ok'))
 
-      // Assert - should remove the correct item (var_1 at index 1)
       await waitFor(() => {
         expect(handleInputFieldsChange).toHaveBeenCalled()
       })
@@ -1882,15 +1575,10 @@ describe('useFieldList Hook', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // handleOpenInputFieldEditor Tests
-  // -------------------------------------------------------------------------
   describe('handleOpenInputFieldEditor', () => {
     it('should call toggleInputFieldEditPanel with editor props', () => {
-      // Arrange
       const inputFields = createInputVarList(1)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1906,7 +1594,6 @@ describe('useFieldList Hook', () => {
       if (addButton)
         fireEvent.click(addButton)
 
-      // Assert
       expect(mockToggleInputFieldEditPanel).toHaveBeenCalledWith(
         expect.objectContaining({
           onClose: expect.any(Function),
@@ -1916,11 +1603,9 @@ describe('useFieldList Hook', () => {
     })
 
     it('should pass initialData when editing existing field', () => {
-      // Arrange
       mockIsHovering = true
       const inputFields = [createInputVar({ variable: 'my_var', label: 'My Label' })]
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1930,13 +1615,11 @@ describe('useFieldList Hook', () => {
           allVariableNames={[]}
         />,
       )
-      // Find edit button in sortable container (first action button)
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
       if (fieldItemButtons.length >= 1)
         fireEvent.click(fieldItemButtons[0])
 
-      // Assert
       expect(mockToggleInputFieldEditPanel).toHaveBeenCalledWith(
         expect.objectContaining({
           initialData: expect.objectContaining({
@@ -1948,18 +1631,13 @@ describe('useFieldList Hook', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // onRemoveVarConfirm Tests
-  // -------------------------------------------------------------------------
   describe('onRemoveVarConfirm', () => {
     it('should remove field and call removeUsedVarInNodes', async () => {
-      // Arrange
       mockIsVarUsedInNodes.mockReturnValue(true)
       mockIsHovering = true
       const inputFields = createInputVarList(2)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -1970,7 +1648,6 @@ describe('useFieldList Hook', () => {
         />,
       )
 
-      // Find delete button in sortable container
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
       if (fieldItemButtons.length >= 2)
@@ -1982,7 +1659,6 @@ describe('useFieldList Hook', () => {
 
       fireEvent.click(screen.getByTestId('confirm-ok'))
 
-      // Assert
       await waitFor(() => {
         expect(handleInputFieldsChange).toHaveBeenCalled()
         expect(mockRemoveUsedVarInNodes).toHaveBeenCalled()
@@ -1991,10 +1667,6 @@ describe('useFieldList Hook', () => {
   })
 })
 
-// ============================================================================
-// handleSubmitField Tests (via toggleInputFieldEditPanel mock)
-// ============================================================================
-
 describe('handleSubmitField', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -2003,11 +1675,9 @@ describe('handleSubmitField', () => {
   })
 
   it('should add new field when editingFieldIndex is -1', () => {
-    // Arrange
     const inputFields = createInputVarList(1)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2018,19 +1688,15 @@ describe('handleSubmitField', () => {
       />,
     )
 
-    // Click add button to open editor
     fireEvent.click(screen.getByTestId('field-list-add-btn'))
 
-    // Get the onSubmit callback that was passed to toggleInputFieldEditPanel
     expect(mockToggleInputFieldEditPanel).toHaveBeenCalled()
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
     expect(editorProps).toHaveProperty('onSubmit')
 
-    // Simulate form submission with new field data
     const newFieldData = createInputVar({ variable: 'new_var', label: 'New Label' })
     editorProps.onSubmit(newFieldData)
 
-    // Assert
     expect(handleInputFieldsChange).toHaveBeenCalledWith(
       'node-1',
       expect.arrayContaining([
@@ -2041,12 +1707,10 @@ describe('handleSubmitField', () => {
   })
 
   it('should update existing field when editingFieldIndex is valid', () => {
-    // Arrange
     mockIsHovering = true
     const inputFields = createInputVarList(1)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2057,20 +1721,16 @@ describe('handleSubmitField', () => {
       />,
     )
 
-    // Click edit button on existing field
     const sortableContainer = screen.getByTestId('sortable-container')
     const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
     if (fieldItemButtons.length >= 1)
       fireEvent.click(fieldItemButtons[0])
 
-    // Get the onSubmit callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
 
-    // Simulate form submission with updated data
     const updatedFieldData = createInputVar({ variable: 'var_0', label: 'Updated Label' })
     editorProps.onSubmit(updatedFieldData)
 
-    // Assert - field should be updated, not added
     expect(handleInputFieldsChange).toHaveBeenCalledWith(
       'node-1',
       expect.arrayContaining([
@@ -2082,12 +1742,10 @@ describe('handleSubmitField', () => {
   })
 
   it('should call handleInputVarRename when variable name changes', () => {
-    // Arrange
     mockIsHovering = true
     const inputFields = createInputVarList(1)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2098,23 +1756,19 @@ describe('handleSubmitField', () => {
       />,
     )
 
-    // Click edit button
     const sortableContainer = screen.getByTestId('sortable-container')
     const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
     if (fieldItemButtons.length >= 1)
       fireEvent.click(fieldItemButtons[0])
 
-    // Get the onSubmit callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
 
-    // Simulate form submission with changed variable name (including moreInfo)
     const updatedFieldData = createInputVar({ variable: 'new_var_name', label: 'Label 0' })
     editorProps.onSubmit(updatedFieldData, {
       type: 'changeVarName',
       payload: { beforeKey: 'var_0', afterKey: 'new_var_name' },
     })
 
-    // Assert
     expect(mockHandleInputVarRename).toHaveBeenCalledWith(
       'node-1',
       ['rag', 'node-1', 'var_0'],
@@ -2123,12 +1777,10 @@ describe('handleSubmitField', () => {
   })
 
   it('should not call handleInputVarRename when moreInfo type is not changeVarName', () => {
-    // Arrange - This tests line 108 branch in hooks.ts
     mockIsHovering = true
     const inputFields = createInputVarList(1)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2139,31 +1791,25 @@ describe('handleSubmitField', () => {
       />,
     )
 
-    // Click edit button
     const sortableContainer = screen.getByTestId('sortable-container')
     const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
     if (fieldItemButtons.length >= 1)
       fireEvent.click(fieldItemButtons[0])
 
-    // Get the onSubmit callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
 
-    // Simulate form submission WITHOUT moreInfo (no variable name change)
     const updatedFieldData = createInputVar({ variable: 'var_0', label: 'Updated Label' })
     editorProps.onSubmit(updatedFieldData)
 
-    // Assert - handleInputVarRename should NOT be called
     expect(mockHandleInputVarRename).not.toHaveBeenCalled()
     expect(handleInputFieldsChange).toHaveBeenCalled()
   })
 
   it('should not call handleInputVarRename when moreInfo has different type', () => {
-    // Arrange - This tests line 108 branch in hooks.ts with different type
     mockIsHovering = true
     const inputFields = createInputVarList(1)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2174,31 +1820,25 @@ describe('handleSubmitField', () => {
       />,
     )
 
-    // Click edit button
     const sortableContainer = screen.getByTestId('sortable-container')
     const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
     if (fieldItemButtons.length >= 1)
       fireEvent.click(fieldItemButtons[0])
 
-    // Get the onSubmit callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
 
-    // Simulate form submission with moreInfo but different type
     const updatedFieldData = createInputVar({ variable: 'var_0', label: 'Updated Label' })
     editorProps.onSubmit(updatedFieldData, { type: 'otherType' as never })
 
-    // Assert - handleInputVarRename should NOT be called
     expect(mockHandleInputVarRename).not.toHaveBeenCalled()
     expect(handleInputFieldsChange).toHaveBeenCalled()
   })
 
   it('should handle empty beforeKey and afterKey in moreInfo payload', () => {
-    // Arrange - This tests line 108 with empty keys
     mockIsHovering = true
     const inputFields = createInputVarList(1)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2209,23 +1849,19 @@ describe('handleSubmitField', () => {
       />,
     )
 
-    // Click edit button
     const sortableContainer = screen.getByTestId('sortable-container')
     const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
     if (fieldItemButtons.length >= 1)
       fireEvent.click(fieldItemButtons[0])
 
-    // Get the onSubmit callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
 
-    // Simulate form submission with changeVarName but empty keys
     const updatedFieldData = createInputVar({ variable: 'new_var' })
     editorProps.onSubmit(updatedFieldData, {
       type: 'changeVarName',
       payload: { beforeKey: '', afterKey: '' },
     })
 
-    // Assert - handleInputVarRename should be called with empty strings
     expect(mockHandleInputVarRename).toHaveBeenCalledWith(
       'node-1',
       ['rag', 'node-1', ''],
@@ -2234,12 +1870,10 @@ describe('handleSubmitField', () => {
   })
 
   it('should handle undefined payload in moreInfo', () => {
-    // Arrange - This tests line 108 with undefined payload
     mockIsHovering = true
     const inputFields = createInputVarList(1)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2250,23 +1884,19 @@ describe('handleSubmitField', () => {
       />,
     )
 
-    // Click edit button
     const sortableContainer = screen.getByTestId('sortable-container')
     const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
     if (fieldItemButtons.length >= 1)
       fireEvent.click(fieldItemButtons[0])
 
-    // Get the onSubmit callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
 
-    // Simulate form submission with changeVarName but undefined payload
     const updatedFieldData = createInputVar({ variable: 'new_var' })
     editorProps.onSubmit(updatedFieldData, {
       type: 'changeVarName',
       payload: undefined,
     })
 
-    // Assert - handleInputVarRename should be called with empty strings (fallback)
     expect(mockHandleInputVarRename).toHaveBeenCalledWith(
       'node-1',
       ['rag', 'node-1', ''],
@@ -2275,11 +1905,9 @@ describe('handleSubmitField', () => {
   })
 
   it('should close editor panel after successful submission', () => {
-    // Arrange
     const inputFields = createInputVarList(1)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2290,26 +1918,20 @@ describe('handleSubmitField', () => {
       />,
     )
 
-    // Click add button
     fireEvent.click(screen.getByTestId('field-list-add-btn'))
 
-    // Get the onSubmit callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
 
-    // Simulate form submission
     const newFieldData = createInputVar({ variable: 'new_var' })
     editorProps.onSubmit(newFieldData)
 
-    // Assert - toggleInputFieldEditPanel should be called with null to close
     expect(mockToggleInputFieldEditPanel).toHaveBeenCalledTimes(2)
     expect(mockToggleInputFieldEditPanel).toHaveBeenLastCalledWith(null)
   })
 
   it('should call onClose when editor is closed manually', () => {
-    // Arrange
     const inputFields = createInputVarList(1)
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2320,25 +1942,17 @@ describe('handleSubmitField', () => {
       />,
     )
 
-    // Click add button
     fireEvent.click(screen.getByTestId('field-list-add-btn'))
 
-    // Get the onClose callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
     expect(editorProps).toHaveProperty('onClose')
 
-    // Simulate close
     editorProps.onClose()
 
-    // Assert - toggleInputFieldEditPanel should be called with null
     expect(mockToggleInputFieldEditPanel).toHaveBeenLastCalledWith(null)
   })
 })
 
-// ============================================================================
-// Duplicate Variable Name Handling Tests
-// ============================================================================
-
 describe('Duplicate Variable Name Handling', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -2347,12 +1961,10 @@ describe('Duplicate Variable Name Handling', () => {
   })
 
   it('should not add field if variable name is duplicate', async () => {
-    // Arrange
     const Toast = await import('@/app/components/base/toast')
     const inputFields = createInputVarList(2)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2363,31 +1975,24 @@ describe('Duplicate Variable Name Handling', () => {
       />,
     )
 
-    // Click add button
     fireEvent.click(screen.getByTestId('field-list-add-btn'))
 
-    // Get the onSubmit callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
 
-    // Try to submit with a duplicate variable name
     const duplicateFieldData = createInputVar({ variable: 'existing_var' })
     editorProps.onSubmit(duplicateFieldData)
 
-    // Assert - handleInputFieldsChange should NOT be called
     expect(handleInputFieldsChange).not.toHaveBeenCalled()
-    // Toast should be shown
     expect(Toast.default.notify).toHaveBeenCalledWith(
       expect.objectContaining({ type: 'error' }),
     )
   })
 
   it('should allow updating field to same variable name', () => {
-    // Arrange
     mockIsHovering = true
     const inputFields = createInputVarList(2)
     const handleInputFieldsChange = vi.fn()
 
-    // Act
     render(
       <FieldList
         nodeId="node-1"
@@ -2398,35 +2003,25 @@ describe('Duplicate Variable Name Handling', () => {
       />,
     )
 
-    // Click edit button on first field
     const sortableContainer = screen.getByTestId('sortable-container')
     const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
     if (fieldItemButtons.length >= 1)
       fireEvent.click(fieldItemButtons[0])
 
-    // Get the onSubmit callback
     const editorProps = mockToggleInputFieldEditPanel.mock.calls[0][0]
 
-    // Submit with same variable name (just updating label)
     const updatedFieldData = createInputVar({ variable: 'var_0', label: 'New Label' })
     editorProps.onSubmit(updatedFieldData)
 
-    // Assert - should allow update with same variable name
     expect(handleInputFieldsChange).toHaveBeenCalled()
   })
 })
 
-// ============================================================================
-// SortableItem Type Tests
-// ============================================================================
-
 describe('SortableItem Type', () => {
   it('should have correct structure', () => {
-    // Arrange
     const inputVar = createInputVar()
     const sortableItem = createSortableItem(inputVar)
 
-    // Assert
     expect(sortableItem.id).toBe(inputVar.variable)
     expect(sortableItem.chosen).toBe(false)
     expect(sortableItem.selected).toBe(false)
@@ -2436,23 +2031,17 @@ describe('SortableItem Type', () => {
   })
 
   it('should allow overriding sortable properties', () => {
-    // Arrange
     const inputVar = createInputVar()
     const sortableItem = createSortableItem(inputVar, {
       chosen: true,
       selected: true,
     })
 
-    // Assert
     expect(sortableItem.chosen).toBe(true)
     expect(sortableItem.selected).toBe(true)
   })
 })
 
-// ============================================================================
-// Integration Tests
-// ============================================================================
-
 describe('Integration Tests', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -2462,12 +2051,10 @@ describe('Integration Tests', () => {
 
   describe('Complete Workflow', () => {
     it('should handle add -> edit -> remove workflow', async () => {
-      // Arrange
       mockIsHovering = true
       const inputFields = createInputVarList(1)
       const handleInputFieldsChange = vi.fn()
 
-      // Act - Render
       render(
         <FieldList
           nodeId="node-1"
@@ -2478,11 +2065,9 @@ describe('Integration Tests', () => {
         />,
       )
 
-      // Step 1: Click add button (in header, outside sortable container)
       fireEvent.click(screen.getByTestId('field-list-add-btn'))
       expect(mockToggleInputFieldEditPanel).toHaveBeenCalled()
 
-      // Step 2: Edit on existing field
       const sortableContainer = screen.getByTestId('sortable-container')
       const fieldItemButtons = sortableContainer.querySelectorAll('button.action-btn')
       if (fieldItemButtons.length >= 1) {
@@ -2490,7 +2075,6 @@ describe('Integration Tests', () => {
         expect(mockToggleInputFieldEditPanel).toHaveBeenCalledTimes(2)
       }
 
-      // Step 3: Remove field
       if (fieldItemButtons.length >= 2)
         fireEvent.click(fieldItemButtons[1])
 
@@ -2498,11 +2082,9 @@ describe('Integration Tests', () => {
     })
 
     it('should handle sort operation correctly', () => {
-      // Arrange
       const inputFields = createInputVarList(3)
       const handleInputFieldsChange = vi.fn()
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -2515,13 +2097,11 @@ describe('Integration Tests', () => {
 
       fireEvent.click(screen.getByTestId('trigger-sort'))
 
-      // Assert
       expect(handleInputFieldsChange).toHaveBeenCalledWith(
         'node-1',
         expect.any(Array),
       )
       const newOrder = handleInputFieldsChange.mock.calls[0][1]
-      // First two should be swapped
       expect(newOrder[0].variable).toBe('var_1')
       expect(newOrder[1].variable).toBe('var_0')
     })
@@ -2529,10 +2109,8 @@ describe('Integration Tests', () => {
 
   describe('Props Propagation', () => {
     it('should propagate readonly prop through all components', () => {
-      // Arrange
       const inputFields = createInputVarList(2)
 
-      // Act
       render(
         <FieldList
           nodeId="node-1"
@@ -2544,7 +2122,6 @@ describe('Integration Tests', () => {
         />,
       )
 
-      // Assert
       const addButton = screen.getAllByRole('button').find(btn =>
         btn.querySelector('svg'),
       )
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/label-right-content/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/input-field/label-right-content/__tests__/index.spec.tsx
similarity index 90%
rename from web/app/components/rag-pipeline/components/panel/input-field/label-right-content/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/input-field/label-right-content/__tests__/index.spec.tsx
index 71be12bb8d..ba9390a028 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/label-right-content/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/input-field/label-right-content/__tests__/index.spec.tsx
@@ -2,17 +2,9 @@ import type { DataSourceNodeType } from '@/app/components/workflow/nodes/data-so
 import { cleanup, render, screen } from '@testing-library/react'
 import { afterEach, describe, expect, it, vi } from 'vitest'
 import { BlockEnum } from '@/app/components/workflow/types'
-import Datasource from './datasource'
-import GlobalInputs from './global-inputs'
+import Datasource from '../datasource'
+import GlobalInputs from '../global-inputs'
 
-// Mock react-i18next
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
-
-// Mock BlockIcon
 vi.mock('@/app/components/workflow/block-icon', () => ({
   default: ({ type, toolIcon, className }: { type: BlockEnum, toolIcon?: string, className?: string }) => (
     <div
@@ -24,12 +16,10 @@ vi.mock('@/app/components/workflow/block-icon', () => ({
   ),
 }))
 
-// Mock useToolIcon
 vi.mock('@/app/components/workflow/hooks', () => ({
   useToolIcon: (nodeData: DataSourceNodeType) => nodeData.provider_name || 'default-icon',
 }))
 
-// Mock Tooltip
 vi.mock('@/app/components/base/tooltip', () => ({
   default: ({ popupContent, popupClassName }: { popupContent: string, popupClassName?: string }) => (
     <div data-testid="tooltip" data-content={popupContent} className={popupClassName} />
@@ -132,7 +122,6 @@ describe('Datasource', () => {
 
       render(<Datasource nodeData={nodeData} />)
 
-      // Should still render without the title text
       expect(screen.getByTestId('block-icon')).toBeInTheDocument()
     })
 
@@ -160,13 +149,13 @@ describe('GlobalInputs', () => {
     it('should render without crashing', () => {
       render(<GlobalInputs />)
 
-      expect(screen.getByText('inputFieldPanel.globalInputs.title')).toBeInTheDocument()
+      expect(screen.getByText('datasetPipeline.inputFieldPanel.globalInputs.title')).toBeInTheDocument()
     })
 
     it('should render title with correct translation key', () => {
       render(<GlobalInputs />)
 
-      expect(screen.getByText('inputFieldPanel.globalInputs.title')).toBeInTheDocument()
+      expect(screen.getByText('datasetPipeline.inputFieldPanel.globalInputs.title')).toBeInTheDocument()
     })
 
     it('should render tooltip component', () => {
@@ -179,7 +168,7 @@ describe('GlobalInputs', () => {
       render(<GlobalInputs />)
 
       const tooltip = screen.getByTestId('tooltip')
-      expect(tooltip).toHaveAttribute('data-content', 'inputFieldPanel.globalInputs.tooltip')
+      expect(tooltip).toHaveAttribute('data-content', 'datasetPipeline.inputFieldPanel.globalInputs.tooltip')
     })
 
     it('should have correct tooltip className', () => {
@@ -199,7 +188,7 @@ describe('GlobalInputs', () => {
     it('should have correct title styling', () => {
       render(<GlobalInputs />)
 
-      const titleElement = screen.getByText('inputFieldPanel.globalInputs.title')
+      const titleElement = screen.getByText('datasetPipeline.inputFieldPanel.globalInputs.title')
       expect(titleElement).toHaveClass('system-sm-semibold-uppercase', 'text-text-secondary')
     })
   })
diff --git a/web/app/components/rag-pipeline/components/panel/input-field/preview/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/input-field/preview/__tests__/index.spec.tsx
similarity index 75%
rename from web/app/components/rag-pipeline/components/panel/input-field/preview/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/input-field/preview/__tests__/index.spec.tsx
index f86297ccb5..6284d3045b 100644
--- a/web/app/components/rag-pipeline/components/panel/input-field/preview/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/input-field/preview/__tests__/index.spec.tsx
@@ -1,29 +1,23 @@
-import type { Datasource, DataSourceOption } from '../../test-run/types'
+import type { Datasource, DataSourceOption } from '../../../test-run/types'
 import type { RAGPipelineVariable, RAGPipelineVariables } from '@/models/pipeline'
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { fireEvent, render, screen, waitFor } from '@testing-library/react'
 import * as React from 'react'
 import { PipelineInputVarType } from '@/models/pipeline'
-import DataSource from './data-source'
-import Form from './form'
-import PreviewPanel from './index'
-import ProcessDocuments from './process-documents'
+import DataSource from '../data-source'
+import Form from '../form'
+import PreviewPanel from '../index'
+import ProcessDocuments from '../process-documents'
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock useFloatingRight hook
 const mockUseFloatingRight = vi.fn(() => ({
   floatingRight: false,
   floatingRightWidth: 480,
 }))
 
-vi.mock('../hooks', () => ({
+vi.mock('../../hooks', () => ({
   useFloatingRight: () => mockUseFloatingRight(),
 }))
 
-// Mock useInputFieldPanel hook
 const mockToggleInputFieldPreviewPanel = vi.fn()
 vi.mock('@/app/components/rag-pipeline/hooks', () => ({
   useInputFieldPanel: () => ({
@@ -35,7 +29,6 @@ vi.mock('@/app/components/rag-pipeline/hooks', () => ({
   }),
 }))
 
-// Track mock state for workflow store
 let mockPipelineId: string | null = 'test-pipeline-id'
 
 vi.mock('@/app/components/workflow/store', () => ({
@@ -56,17 +49,14 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock reactflow store
 vi.mock('reactflow', () => ({
   useStore: () => undefined,
 }))
 
-// Mock zustand shallow
 vi.mock('zustand/react/shallow', () => ({
   useShallow: (fn: unknown) => fn,
 }))
 
-// Track mock data for API hooks
 let mockPreProcessingParamsData: { variables: RAGPipelineVariables } | undefined
 let mockProcessingParamsData: { variables: RAGPipelineVariables } | undefined
 
@@ -83,10 +73,9 @@ vi.mock('@/service/use-pipeline', () => ({
   }),
 }))
 
-// Track mock datasource options
 let mockDatasourceOptions: DataSourceOption[] = []
 
-vi.mock('../../test-run/preparation/data-source-options', () => ({
+vi.mock('../../../test-run/preparation/data-source-options', () => ({
   default: ({
     onSelect,
     dataSourceNodeId,
@@ -113,13 +102,11 @@ vi.mock('../../test-run/preparation/data-source-options', () => ({
   ),
 }))
 
-// Helper function to convert option string to option object
 const mapOptionToObject = (option: string) => ({
   label: option,
   value: option,
 })
 
-// Mock form-related hooks
 vi.mock('@/app/components/rag-pipeline/hooks/use-input-fields', () => ({
   useInitialData: (variables: RAGPipelineVariables) => {
     return React.useMemo(() => {
@@ -150,7 +137,6 @@ vi.mock('@/app/components/rag-pipeline/hooks/use-input-fields', () => ({
   },
 }))
 
-// Mock useAppForm hook
 vi.mock('@/app/components/base/form', () => ({
   useAppForm: ({ defaultValues }: { defaultValues: Record<string, unknown> }) => ({
     handleSubmit: vi.fn(),
@@ -163,7 +149,6 @@ vi.mock('@/app/components/base/form', () => ({
   }),
 }))
 
-// Mock BaseField component
 vi.mock('@/app/components/base/form/form-scenarios/base/field', () => ({
   default: ({ config }: { initialData: Record<string, unknown>, config: { variable: string, label: string } }) => {
     const FieldComponent = ({ form }: { form: unknown }) => (
@@ -177,10 +162,6 @@ vi.mock('@/app/components/base/form/form-scenarios/base/field', () => ({
   },
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 const createRAGPipelineVariable = (
   overrides?: Partial<RAGPipelineVariable>,
 ): RAGPipelineVariable => ({
@@ -209,10 +190,6 @@ const createDatasourceOption = (
   ...overrides,
 })
 
-// ============================================================================
-// Test Wrapper Component
-// ============================================================================
-
 const createTestQueryClient = () =>
   new QueryClient({
     defaultOptions: {
@@ -234,10 +211,6 @@ const renderWithProviders = (ui: React.ReactElement) => {
   return render(ui, { wrapper: TestWrapper })
 }
 
-// ============================================================================
-// PreviewPanel Component Tests
-// ============================================================================
-
 describe('PreviewPanel', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -251,170 +224,126 @@ describe('PreviewPanel', () => {
     mockDatasourceOptions = []
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render preview panel without crashing', () => {
-      // Act
       renderWithProviders(<PreviewPanel />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.operations.preview'),
       ).toBeInTheDocument()
     })
 
     it('should render preview badge', () => {
-      // Act
       renderWithProviders(<PreviewPanel />)
 
-      // Assert
       const badge = screen.getByText('datasetPipeline.operations.preview')
       expect(badge).toBeInTheDocument()
     })
 
     it('should render close button', () => {
-      // Act
       renderWithProviders(<PreviewPanel />)
 
-      // Assert
       const closeButton = screen.getByRole('button')
       expect(closeButton).toBeInTheDocument()
     })
 
     it('should render DataSource component', () => {
-      // Act
       renderWithProviders(<PreviewPanel />)
 
-      // Assert
       expect(screen.getByTestId('data-source-options')).toBeInTheDocument()
     })
 
     it('should render ProcessDocuments component', () => {
-      // Act
       renderWithProviders(<PreviewPanel />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
     })
 
     it('should render divider between sections', () => {
-      // Act
       const { container } = renderWithProviders(<PreviewPanel />)
 
-      // Assert
       const divider = container.querySelector('.bg-divider-subtle')
       expect(divider).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // State Management Tests
-  // -------------------------------------------------------------------------
   describe('State Management', () => {
     it('should initialize with empty datasource state', () => {
-      // Act
       renderWithProviders(<PreviewPanel />)
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe('')
     })
 
     it('should update datasource state when DataSource selects', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDatasourceOption({ value: 'node-1', label: 'Node 1' }),
       ]
 
-      // Act
       renderWithProviders(<PreviewPanel />)
       fireEvent.click(screen.getByTestId('option-node-1'))
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe('node-1')
     })
 
     it('should pass datasource nodeId to ProcessDocuments', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDatasourceOption({ value: 'test-node', label: 'Test Node' }),
       ]
 
-      // Act
       renderWithProviders(<PreviewPanel />)
       fireEvent.click(screen.getByTestId('option-test-node'))
 
-      // Assert - ProcessDocuments receives the nodeId
       expect(screen.getByTestId('current-node-id').textContent).toBe('test-node')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call toggleInputFieldPreviewPanel when close button clicked', () => {
-      // Act
       renderWithProviders(<PreviewPanel />)
       const closeButton = screen.getByRole('button')
       fireEvent.click(closeButton)
 
-      // Assert
       expect(mockToggleInputFieldPreviewPanel).toHaveBeenCalledTimes(1)
     })
 
     it('should handle multiple close button clicks', () => {
-      // Act
       renderWithProviders(<PreviewPanel />)
       const closeButton = screen.getByRole('button')
       fireEvent.click(closeButton)
       fireEvent.click(closeButton)
       fireEvent.click(closeButton)
 
-      // Assert
       expect(mockToggleInputFieldPreviewPanel).toHaveBeenCalledTimes(3)
     })
 
     it('should handle datasource selection changes', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDatasourceOption({ value: 'node-1', label: 'Node 1' }),
         createDatasourceOption({ value: 'node-2', label: 'Node 2' }),
       ]
 
-      // Act
       renderWithProviders(<PreviewPanel />)
       fireEvent.click(screen.getByTestId('option-node-1'))
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe('node-1')
 
-      // Act - Change selection
       fireEvent.click(screen.getByTestId('option-node-2'))
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe('node-2')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Floating Right Behavior Tests
-  // -------------------------------------------------------------------------
   describe('Floating Right Behavior', () => {
     it('should apply floating right styles when floatingRight is true', () => {
-      // Arrange
       mockUseFloatingRight.mockReturnValue({
         floatingRight: true,
         floatingRightWidth: 400,
       })
 
-      // Act
       const { container } = renderWithProviders(<PreviewPanel />)
 
-      // Assert
       const panel = container.firstChild as HTMLElement
       expect(panel.className).toContain('absolute')
       expect(panel.className).toContain('right-0')
@@ -422,43 +351,33 @@ describe('PreviewPanel', () => {
     })
 
     it('should not apply floating right styles when floatingRight is false', () => {
-      // Arrange
       mockUseFloatingRight.mockReturnValue({
         floatingRight: false,
         floatingRightWidth: 480,
       })
 
-      // Act
       const { container } = renderWithProviders(<PreviewPanel />)
 
-      // Assert
       const panel = container.firstChild as HTMLElement
       expect(panel.className).not.toContain('absolute')
       expect(panel.style.width).toBe('480px')
     })
 
     it('should update width when floatingRightWidth changes', () => {
-      // Arrange
       mockUseFloatingRight.mockReturnValue({
         floatingRight: false,
         floatingRightWidth: 600,
       })
 
-      // Act
       const { container } = renderWithProviders(<PreviewPanel />)
 
-      // Assert
       const panel = container.firstChild as HTMLElement
       expect(panel.style.width).toBe('600px')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should maintain stable handleClosePreviewPanel callback', () => {
-      // Act
       const { rerender } = renderWithProviders(<PreviewPanel />)
       fireEvent.click(screen.getByRole('button'))
 
@@ -469,51 +388,37 @@ describe('PreviewPanel', () => {
       )
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(mockToggleInputFieldPreviewPanel).toHaveBeenCalledTimes(2)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle empty datasource options', () => {
-      // Arrange
       mockDatasourceOptions = []
 
-      // Act
       renderWithProviders(<PreviewPanel />)
 
-      // Assert
       expect(screen.getByTestId('data-source-options')).toBeInTheDocument()
       expect(screen.getByTestId('current-node-id').textContent).toBe('')
     })
 
     it('should handle rapid datasource selections', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDatasourceOption({ value: 'node-1', label: 'Node 1' }),
         createDatasourceOption({ value: 'node-2', label: 'Node 2' }),
         createDatasourceOption({ value: 'node-3', label: 'Node 3' }),
       ]
 
-      // Act
       renderWithProviders(<PreviewPanel />)
       fireEvent.click(screen.getByTestId('option-node-1'))
       fireEvent.click(screen.getByTestId('option-node-2'))
       fireEvent.click(screen.getByTestId('option-node-3'))
 
-      // Assert - Final selection should be node-3
       expect(screen.getByTestId('current-node-id').textContent).toBe('node-3')
     })
   })
 })
 
-// ============================================================================
-// DataSource Component Tests
-// ============================================================================
-
 describe('DataSource', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -522,164 +427,123 @@ describe('DataSource', () => {
     mockDatasourceOptions = []
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render step one title', () => {
-      // Arrange
       const onSelect = vi.fn()
 
-      // Act
       renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="" />,
       )
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepOneTitle'),
       ).toBeInTheDocument()
     })
 
     it('should render DataSourceOptions component', () => {
-      // Arrange
       const onSelect = vi.fn()
 
-      // Act
       renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="" />,
       )
 
-      // Assert
       expect(screen.getByTestId('data-source-options')).toBeInTheDocument()
     })
 
     it('should pass dataSourceNodeId to DataSourceOptions', () => {
-      // Arrange
       const onSelect = vi.fn()
 
-      // Act
       renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="test-node-id" />,
       )
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe(
         'test-node-id',
       )
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should handle empty dataSourceNodeId', () => {
-      // Arrange
       const onSelect = vi.fn()
 
-      // Act
       renderWithProviders(<DataSource onSelect={onSelect} dataSourceNodeId="" />)
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe('')
     })
 
     it('should handle different dataSourceNodeId values', () => {
-      // Arrange
       const onSelect = vi.fn()
 
-      // Act
       const { rerender } = renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="node-1" />,
       )
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe('node-1')
 
-      // Act - Change nodeId
       rerender(
         <TestWrapper>
           <DataSource onSelect={onSelect} dataSourceNodeId="node-2" />
         </TestWrapper>,
       )
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe('node-2')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // API Integration Tests
-  // -------------------------------------------------------------------------
   describe('API Integration', () => {
     it('should fetch pre-processing params when pipelineId and nodeId are present', async () => {
-      // Arrange
       const onSelect = vi.fn()
       mockPreProcessingParamsData = {
         variables: [createRAGPipelineVariable()],
       }
 
-      // Act
       renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="test-node" />,
       )
 
-      // Assert - Form should render with fetched variables
       await waitFor(() => {
         expect(screen.getByTestId('field-test_variable')).toBeInTheDocument()
       })
     })
 
     it('should not render form fields when params data is empty', () => {
-      // Arrange
       const onSelect = vi.fn()
       mockPreProcessingParamsData = { variables: [] }
 
-      // Act
       renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="test-node" />,
       )
 
-      // Assert
       expect(screen.queryByTestId('field-test_variable')).not.toBeInTheDocument()
     })
 
     it('should handle undefined params data', () => {
-      // Arrange
       const onSelect = vi.fn()
       mockPreProcessingParamsData = undefined
 
-      // Act
       renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="" />,
       )
 
-      // Assert - Should render without errors
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepOneTitle'),
       ).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onSelect when datasource option is clicked', () => {
-      // Arrange
       const onSelect = vi.fn()
       mockDatasourceOptions = [
         createDatasourceOption({ value: 'selected-node', label: 'Selected' }),
       ]
 
-      // Act
       renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="" />,
       )
       fireEvent.click(screen.getByTestId('option-selected-node'))
 
-      // Assert
       expect(onSelect).toHaveBeenCalledTimes(1)
       expect(onSelect).toHaveBeenCalledWith(
         expect.objectContaining({
@@ -689,58 +553,43 @@ describe('DataSource', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be memoized (React.memo)', () => {
-      // Arrange
       const onSelect = vi.fn()
 
-      // Act
       const { rerender } = renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="node-1" />,
       )
 
-      // Rerender with same props
       rerender(
         <TestWrapper>
           <DataSource onSelect={onSelect} dataSourceNodeId="node-1" />
         </TestWrapper>,
       )
 
-      // Assert - Component should not cause additional renders
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepOneTitle'),
       ).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle null pipelineId', () => {
-      // Arrange
       const onSelect = vi.fn()
       mockPipelineId = null
 
-      // Act
       renderWithProviders(
         <DataSource onSelect={onSelect} dataSourceNodeId="test-node" />,
       )
 
-      // Assert - Should render without errors
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepOneTitle'),
       ).toBeInTheDocument()
     })
 
     it('should handle special characters in dataSourceNodeId', () => {
-      // Arrange
       const onSelect = vi.fn()
 
-      // Act
       renderWithProviders(
         <DataSource
           onSelect={onSelect}
@@ -748,7 +597,6 @@ describe('DataSource', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe(
         'node-with-special-chars_123',
       )
@@ -756,10 +604,6 @@ describe('DataSource', () => {
   })
 })
 
-// ============================================================================
-// ProcessDocuments Component Tests
-// ============================================================================
-
 describe('ProcessDocuments', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -767,81 +611,60 @@ describe('ProcessDocuments', () => {
     mockProcessingParamsData = undefined
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render step two title', () => {
-      // Act
       renderWithProviders(<ProcessDocuments dataSourceNodeId="" />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
     })
 
     it('should render Form component', () => {
-      // Arrange
       mockProcessingParamsData = {
         variables: [createRAGPipelineVariable({ variable: 'process_var' })],
       }
 
-      // Act
       renderWithProviders(<ProcessDocuments dataSourceNodeId="test-node" />)
 
-      // Assert - Form should be rendered
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should handle empty dataSourceNodeId', () => {
-      // Act
       renderWithProviders(<ProcessDocuments dataSourceNodeId="" />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
     })
 
     it('should handle different dataSourceNodeId values', () => {
-      // Act
       const { rerender } = renderWithProviders(
         <ProcessDocuments dataSourceNodeId="node-1" />,
       )
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
 
-      // Act - Change nodeId
       rerender(
         <TestWrapper>
           <ProcessDocuments dataSourceNodeId="node-2" />
         </TestWrapper>,
       )
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // API Integration Tests
-  // -------------------------------------------------------------------------
   describe('API Integration', () => {
     it('should fetch processing params when pipelineId and nodeId are present', async () => {
-      // Arrange
       mockProcessingParamsData = {
         variables: [
           createRAGPipelineVariable({
@@ -851,41 +674,32 @@ describe('ProcessDocuments', () => {
         ],
       }
 
-      // Act
       renderWithProviders(<ProcessDocuments dataSourceNodeId="test-node" />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('field-chunk_size')).toBeInTheDocument()
       })
     })
 
     it('should not render form fields when params data is empty', () => {
-      // Arrange
       mockProcessingParamsData = { variables: [] }
 
-      // Act
       renderWithProviders(<ProcessDocuments dataSourceNodeId="test-node" />)
 
-      // Assert
       expect(screen.queryByTestId('field-chunk_size')).not.toBeInTheDocument()
     })
 
     it('should handle undefined params data', () => {
-      // Arrange
       mockProcessingParamsData = undefined
 
-      // Act
       renderWithProviders(<ProcessDocuments dataSourceNodeId="" />)
 
-      // Assert - Should render without errors
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
     })
 
     it('should render multiple form fields from params', async () => {
-      // Arrange
       mockProcessingParamsData = {
         variables: [
           createRAGPipelineVariable({
@@ -899,10 +713,8 @@ describe('ProcessDocuments', () => {
         ],
       }
 
-      // Act
       renderWithProviders(<ProcessDocuments dataSourceNodeId="test-node" />)
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('field-var1')).toBeInTheDocument()
         expect(screen.getByTestId('field-var2')).toBeInTheDocument()
@@ -910,55 +722,40 @@ describe('ProcessDocuments', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be memoized (React.memo)', () => {
-      // Act
       const { rerender } = renderWithProviders(
         <ProcessDocuments dataSourceNodeId="node-1" />,
       )
 
-      // Rerender with same props
       rerender(
         <TestWrapper>
           <ProcessDocuments dataSourceNodeId="node-1" />
         </TestWrapper>,
       )
 
-      // Assert - Component should render without issues
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle null pipelineId', () => {
-      // Arrange
       mockPipelineId = null
 
-      // Act
       renderWithProviders(<ProcessDocuments dataSourceNodeId="test-node" />)
 
-      // Assert - Should render without errors
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
     })
 
     it('should handle very long dataSourceNodeId', () => {
-      // Arrange
       const longNodeId = 'a'.repeat(100)
 
-      // Act
       renderWithProviders(<ProcessDocuments dataSourceNodeId={longNodeId} />)
 
-      // Assert
       expect(
         screen.getByText('datasetPipeline.inputFieldPanel.preview.stepTwoTitle'),
       ).toBeInTheDocument()
@@ -966,57 +763,39 @@ describe('ProcessDocuments', () => {
   })
 })
 
-// ============================================================================
-// Form Component Tests
-// ============================================================================
-
 describe('Form', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render form element', () => {
-      // Act
       const { container } = renderWithProviders(<Form variables={[]} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
 
     it('should render form fields for each variable', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({ variable: 'field1', label: 'Field 1' }),
         createRAGPipelineVariable({ variable: 'field2', label: 'Field 2' }),
       ]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-field1')).toBeInTheDocument()
       expect(screen.getByTestId('field-field2')).toBeInTheDocument()
     })
 
     it('should render no fields when variables is empty', () => {
-      // Act
       renderWithProviders(<Form variables={[]} />)
 
-      // Assert
       expect(screen.queryByTestId(/^field-/)).not.toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should handle different variable types', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({
           variable: 'text_var',
@@ -1033,17 +812,14 @@ describe('Form', () => {
         }),
       ]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-text_var')).toBeInTheDocument()
       expect(screen.getByTestId('field-number_var')).toBeInTheDocument()
       expect(screen.getByTestId('field-select_var')).toBeInTheDocument()
     })
 
     it('should handle variables with default values', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({
           variable: 'with_default',
@@ -1051,15 +827,12 @@ describe('Form', () => {
         }),
       ]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-with_default')).toBeInTheDocument()
     })
 
     it('should handle variables with all optional fields', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({
           variable: 'full_var',
@@ -1073,59 +846,42 @@ describe('Form', () => {
         }),
       ]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-full_var')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Form Behavior Tests
-  // -------------------------------------------------------------------------
   describe('Form Behavior', () => {
     it('should prevent default form submission', () => {
-      // Arrange
       const variables = [createRAGPipelineVariable()]
       const preventDefaultMock = vi.fn()
 
-      // Act
       const { container } = renderWithProviders(<Form variables={variables} />)
       const form = container.querySelector('form')!
 
-      // Create and dispatch submit event
       const submitEvent = new Event('submit', { bubbles: true, cancelable: true })
       Object.defineProperty(submitEvent, 'preventDefault', {
         value: preventDefaultMock,
       })
       form.dispatchEvent(submitEvent)
 
-      // Assert - Form should prevent default submission
       expect(preventDefaultMock).toHaveBeenCalled()
     })
 
     it('should pass form to each field component', () => {
-      // Arrange
       const variables = [createRAGPipelineVariable({ variable: 'test_var' })]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('form-ref').textContent).toBe('has-form')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should memoize initialData when variables do not change', () => {
-      // Arrange
       const variables = [createRAGPipelineVariable()]
 
-      // Act
       const { rerender } = renderWithProviders(<Form variables={variables} />)
       rerender(
         <TestWrapper>
@@ -1133,72 +889,55 @@ describe('Form', () => {
         </TestWrapper>,
       )
 
-      // Assert - Component should render without issues
       expect(screen.getByTestId('field-test_variable')).toBeInTheDocument()
     })
 
     it('should memoize configurations when variables do not change', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({ variable: 'var1' }),
         createRAGPipelineVariable({ variable: 'var2' }),
       ]
 
-      // Act
       const { rerender } = renderWithProviders(<Form variables={variables} />)
 
-      // Rerender with same variables reference
       rerender(
         <TestWrapper>
           <Form variables={variables} />
         </TestWrapper>,
       )
 
-      // Assert
       expect(screen.getByTestId('field-var1')).toBeInTheDocument()
       expect(screen.getByTestId('field-var2')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle empty variables array', () => {
-      // Act
       const { container } = renderWithProviders(<Form variables={[]} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
       expect(screen.queryByTestId(/^field-/)).not.toBeInTheDocument()
     })
 
     it('should handle single variable', () => {
-      // Arrange
       const variables = [createRAGPipelineVariable({ variable: 'single' })]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-single')).toBeInTheDocument()
     })
 
     it('should handle many variables', () => {
-      // Arrange
       const variables = Array.from({ length: 20 }, (_, i) =>
         createRAGPipelineVariable({ variable: `var_${i}`, label: `Var ${i}` }))
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-var_0')).toBeInTheDocument()
       expect(screen.getByTestId('field-var_19')).toBeInTheDocument()
     })
 
     it('should handle variables with special characters in names', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({
           variable: 'var_with_underscore',
@@ -1206,15 +945,12 @@ describe('Form', () => {
         }),
       ]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-var_with_underscore')).toBeInTheDocument()
     })
 
     it('should handle variables with unicode labels', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({
           variable: 'unicode_var',
@@ -1223,16 +959,13 @@ describe('Form', () => {
         }),
       ]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-unicode_var')).toBeInTheDocument()
       expect(screen.getByText('中文标签 🎉')).toBeInTheDocument()
     })
 
     it('should handle variables with empty string default values', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({
           variable: 'empty_default',
@@ -1240,15 +973,12 @@ describe('Form', () => {
         }),
       ]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-empty_default')).toBeInTheDocument()
     })
 
     it('should handle variables with zero max_length', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({
           variable: 'zero_length',
@@ -1256,19 +986,13 @@ describe('Form', () => {
         }),
       ]
 
-      // Act
       renderWithProviders(<Form variables={variables} />)
 
-      // Assert
       expect(screen.getByTestId('field-zero_length')).toBeInTheDocument()
     })
   })
 })
 
-// ============================================================================
-// Integration Tests
-// ============================================================================
-
 describe('Preview Panel Integration', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1282,12 +1006,8 @@ describe('Preview Panel Integration', () => {
     mockDatasourceOptions = []
   })
 
-  // -------------------------------------------------------------------------
-  // End-to-End Flow Tests
-  // -------------------------------------------------------------------------
   describe('End-to-End Flow', () => {
     it('should complete full preview flow: select datasource -> show forms', async () => {
-      // Arrange
       mockDatasourceOptions = [
         createDatasourceOption({ value: 'node-1', label: 'Local File' }),
       ]
@@ -1308,13 +1028,10 @@ describe('Preview Panel Integration', () => {
         ],
       }
 
-      // Act
       renderWithProviders(<PreviewPanel />)
 
-      // Select datasource
       fireEvent.click(screen.getByTestId('option-node-1'))
 
-      // Assert - Both forms should show their fields
       await waitFor(() => {
         expect(screen.getByTestId('field-source_var')).toBeInTheDocument()
         expect(screen.getByTestId('field-process_var')).toBeInTheDocument()
@@ -1322,7 +1039,6 @@ describe('Preview Panel Integration', () => {
     })
 
     it('should update both forms when datasource changes', async () => {
-      // Arrange
       mockDatasourceOptions = [
         createDatasourceOption({ value: 'node-1', label: 'Node 1' }),
         createDatasourceOption({ value: 'node-2', label: 'Node 2' }),
@@ -1334,75 +1050,56 @@ describe('Preview Panel Integration', () => {
         variables: [createRAGPipelineVariable({ variable: 'proc_var' })],
       }
 
-      // Act
       renderWithProviders(<PreviewPanel />)
 
-      // Select first datasource
       fireEvent.click(screen.getByTestId('option-node-1'))
 
-      // Assert initial selection
       await waitFor(() => {
         expect(screen.getByTestId('current-node-id').textContent).toBe('node-1')
       })
 
-      // Select second datasource
       fireEvent.click(screen.getByTestId('option-node-2'))
 
-      // Assert updated selection
       await waitFor(() => {
         expect(screen.getByTestId('current-node-id').textContent).toBe('node-2')
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Component Communication Tests
-  // -------------------------------------------------------------------------
   describe('Component Communication', () => {
     it('should pass correct nodeId from PreviewPanel to child components', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDatasourceOption({ value: 'communicated-node', label: 'Node' }),
       ]
 
-      // Act
       renderWithProviders(<PreviewPanel />)
       fireEvent.click(screen.getByTestId('option-communicated-node'))
 
-      // Assert
       expect(screen.getByTestId('current-node-id').textContent).toBe(
         'communicated-node',
       )
     })
   })
 
-  // -------------------------------------------------------------------------
-  // State Persistence Tests
-  // -------------------------------------------------------------------------
   describe('State Persistence', () => {
     it('should maintain datasource selection within same render cycle', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDatasourceOption({ value: 'persistent-node', label: 'Persistent' }),
         createDatasourceOption({ value: 'other-node', label: 'Other' }),
       ]
 
-      // Act
       renderWithProviders(<PreviewPanel />)
       fireEvent.click(screen.getByTestId('option-persistent-node'))
 
-      // Assert - Selection should be maintained
       expect(screen.getByTestId('current-node-id').textContent).toBe(
         'persistent-node',
       )
 
-      // Change selection and verify state updates correctly
       fireEvent.click(screen.getByTestId('option-other-node'))
       expect(screen.getByTestId('current-node-id').textContent).toBe(
         'other-node',
       )
 
-      // Go back to original and verify
       fireEvent.click(screen.getByTestId('option-persistent-node'))
       expect(screen.getByTestId('current-node-id').textContent).toBe(
         'persistent-node',
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/test-run/__tests__/index.spec.tsx
similarity index 85%
rename from web/app/components/rag-pipeline/components/panel/test-run/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/test-run/__tests__/index.spec.tsx
index 7ead398ac1..5acea3733c 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/test-run/__tests__/index.spec.tsx
@@ -3,15 +3,9 @@ import type { WorkflowRunningData } from '@/app/components/workflow/types'
 import { fireEvent, render, screen, waitFor } from '@testing-library/react'
 import { WorkflowRunningStatus } from '@/app/components/workflow/types'
 import { ChunkingMode } from '@/models/datasets'
-import Header from './header'
-// Import components after mocks
-import TestRunPanel from './index'
+import Header from '../header'
+import TestRunPanel from '../index'
 
-// ============================================================================
-// Mocks
-// ============================================================================
-
-// Mock workflow store
 const mockIsPreparingDataSource = vi.fn(() => true)
 const mockSetIsPreparingDataSource = vi.fn()
 const mockWorkflowRunningData = vi.fn<() => WorkflowRunningData | undefined>(() => undefined)
@@ -34,7 +28,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock workflow interactions
 const mockHandleCancelDebugAndPreviewPanel = vi.fn()
 vi.mock('@/app/components/workflow/hooks', () => ({
   useWorkflowInteractions: () => ({
@@ -46,22 +39,18 @@ vi.mock('@/app/components/workflow/hooks', () => ({
   useToolIcon: () => 'mock-tool-icon',
 }))
 
-// Mock data source provider
 vi.mock('@/app/components/datasets/documents/create-from-pipeline/data-source/store/provider', () => ({
   default: ({ children }: { children: React.ReactNode }) => <div data-testid="data-source-provider">{children}</div>,
 }))
 
-// Mock Preparation component
-vi.mock('./preparation', () => ({
+vi.mock('../preparation', () => ({
   default: () => <div data-testid="preparation-component">Preparation</div>,
 }))
 
-// Mock Result component (for TestRunPanel tests only)
-vi.mock('./result', () => ({
+vi.mock('../result', () => ({
   default: () => <div data-testid="result-component">Result</div>,
 }))
 
-// Mock ResultPanel from workflow
 vi.mock('@/app/components/workflow/run/result-panel', () => ({
   default: (props: Record<string, unknown>) => (
     <div data-testid="result-panel">
@@ -72,7 +61,6 @@ vi.mock('@/app/components/workflow/run/result-panel', () => ({
   ),
 }))
 
-// Mock TracingPanel from workflow
 vi.mock('@/app/components/workflow/run/tracing-panel', () => ({
   default: (props: { list: unknown[] }) => (
     <div data-testid="tracing-panel">
@@ -85,20 +73,14 @@ vi.mock('@/app/components/workflow/run/tracing-panel', () => ({
   ),
 }))
 
-// Mock Loading component
 vi.mock('@/app/components/base/loading', () => ({
   default: () => <div data-testid="loading">Loading...</div>,
 }))
 
-// Mock config
 vi.mock('@/config', () => ({
   RAG_PIPELINE_PREVIEW_CHUNK_NUM: 5,
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 const createMockWorkflowRunningData = (overrides: Partial<WorkflowRunningData> = {}): WorkflowRunningData => ({
   result: {
     status: WorkflowRunningStatus.Succeeded,
@@ -141,10 +123,6 @@ const createMockQAOutputs = () => ({
   ],
 })
 
-// ============================================================================
-// TestRunPanel Component Tests
-// ============================================================================
-
 describe('TestRunPanel', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -152,7 +130,6 @@ describe('TestRunPanel', () => {
     mockWorkflowRunningData.mockReturnValue(undefined)
   })
 
-  // Basic rendering tests
   describe('Rendering', () => {
     it('should render with correct container styles', () => {
       const { container } = render(<TestRunPanel />)
@@ -168,7 +145,6 @@ describe('TestRunPanel', () => {
     })
   })
 
-  // Conditional rendering based on isPreparingDataSource
   describe('Conditional Content Rendering', () => {
     it('should render Preparation inside DataSourceProvider when isPreparingDataSource is true', () => {
       mockIsPreparingDataSource.mockReturnValue(true)
@@ -192,17 +168,12 @@ describe('TestRunPanel', () => {
   })
 })
 
-// ============================================================================
-// Header Component Tests
-// ============================================================================
-
 describe('Header', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     mockIsPreparingDataSource.mockReturnValue(true)
   })
 
-  // Rendering tests
   describe('Rendering', () => {
     it('should render title with correct translation key', () => {
       render(<Header />)
@@ -225,7 +196,6 @@ describe('Header', () => {
     })
   })
 
-  // Close button interactions
   describe('Close Button Interaction', () => {
     it('should call setIsPreparingDataSource(false) and handleCancelDebugAndPreviewPanel when clicked and isPreparingDataSource is true', () => {
       mockIsPreparingDataSource.mockReturnValue(true)
@@ -253,19 +223,13 @@ describe('Header', () => {
   })
 })
 
-// ============================================================================
-// Result Component Tests (Real Implementation)
-// ============================================================================
-
-// Unmock Result for these tests
-vi.doUnmock('./result')
+vi.doUnmock('../result')
 
 describe('Result', () => {
-  // Dynamically import Result to get real implementation
-  let Result: typeof import('./result').default
+  let Result: typeof import('../result').default
 
   beforeAll(async () => {
-    const resultModule = await import('./result')
+    const resultModule = await import('../result')
     Result = resultModule.default
   })
 
@@ -274,7 +238,6 @@ describe('Result', () => {
     mockWorkflowRunningData.mockReturnValue(undefined)
   })
 
-  // Rendering tests
   describe('Rendering', () => {
     it('should render with RESULT tab active by default', async () => {
       render(<Result />)
@@ -294,7 +257,6 @@ describe('Result', () => {
     })
   })
 
-  // Tab switching tests
   describe('Tab Switching', () => {
     it('should switch to DETAIL tab when clicked', async () => {
       mockWorkflowRunningData.mockReturnValue(createMockWorkflowRunningData())
@@ -321,7 +283,6 @@ describe('Result', () => {
     })
   })
 
-  // Loading states
   describe('Loading States', () => {
     it('should show loading in DETAIL tab when no result data', async () => {
       mockWorkflowRunningData.mockReturnValue({
@@ -352,18 +313,13 @@ describe('Result', () => {
   })
 })
 
-// ============================================================================
-// ResultPreview Component Tests
-// ============================================================================
-
-// We need to import ResultPreview directly
-vi.doUnmock('./result/result-preview')
+vi.doUnmock('../result/result-preview')
 
 describe('ResultPreview', () => {
-  let ResultPreview: typeof import('./result/result-preview').default
+  let ResultPreview: typeof import('../result/result-preview').default
 
   beforeAll(async () => {
-    const previewModule = await import('./result/result-preview')
+    const previewModule = await import('../result/result-preview')
     ResultPreview = previewModule.default
   })
 
@@ -373,7 +329,6 @@ describe('ResultPreview', () => {
     vi.clearAllMocks()
   })
 
-  // Loading state
   describe('Loading State', () => {
     it('should show loading spinner when isRunning is true and no outputs', () => {
       render(
@@ -402,7 +357,6 @@ describe('ResultPreview', () => {
     })
   })
 
-  // Error state
   describe('Error State', () => {
     it('should show error message when not running and has error', () => {
       render(
@@ -448,7 +402,6 @@ describe('ResultPreview', () => {
     })
   })
 
-  // Success state with outputs
   describe('Success State with Outputs', () => {
     it('should render chunk content when outputs are available', () => {
       render(
@@ -460,7 +413,6 @@ describe('ResultPreview', () => {
         />,
       )
 
-      // Check that chunk content is rendered (the real ChunkCardList renders the content)
       expect(screen.getByText('test chunk content')).toBeInTheDocument()
     })
 
@@ -492,7 +444,6 @@ describe('ResultPreview', () => {
     })
   })
 
-  // Edge cases
   describe('Edge Cases', () => {
     it('should handle empty outputs gracefully', () => {
       render(
@@ -504,7 +455,6 @@ describe('ResultPreview', () => {
         />,
       )
 
-      // Should not crash and should not show chunk card list
       expect(screen.queryByTestId('chunk-card-list')).not.toBeInTheDocument()
     })
 
@@ -523,17 +473,13 @@ describe('ResultPreview', () => {
   })
 })
 
-// ============================================================================
-// Tabs Component Tests
-// ============================================================================
-
-vi.doUnmock('./result/tabs')
+vi.doUnmock('../result/tabs')
 
 describe('Tabs', () => {
-  let Tabs: typeof import('./result/tabs').default
+  let Tabs: typeof import('../result/tabs').default
 
   beforeAll(async () => {
-    const tabsModule = await import('./result/tabs')
+    const tabsModule = await import('../result/tabs')
     Tabs = tabsModule.default
   })
 
@@ -543,7 +489,6 @@ describe('Tabs', () => {
     vi.clearAllMocks()
   })
 
-  // Rendering tests
   describe('Rendering', () => {
     it('should render all three tabs', () => {
       render(
@@ -560,7 +505,6 @@ describe('Tabs', () => {
     })
   })
 
-  // Active tab styling
   describe('Active Tab Styling', () => {
     it('should highlight RESULT tab when currentTab is RESULT', () => {
       render(
@@ -589,7 +533,6 @@ describe('Tabs', () => {
     })
   })
 
-  // Tab click handling
   describe('Tab Click Handling', () => {
     it('should call switchTab with RESULT when RESULT tab is clicked', () => {
       render(
@@ -634,7 +577,6 @@ describe('Tabs', () => {
     })
   })
 
-  // Disabled state when no data
   describe('Disabled State', () => {
     it('should disable tabs when workflowRunningData is undefined', () => {
       render(
@@ -651,17 +593,13 @@ describe('Tabs', () => {
   })
 })
 
-// ============================================================================
-// Tab Component Tests
-// ============================================================================
-
-vi.doUnmock('./result/tabs/tab')
+vi.doUnmock('../result/tabs/tab')
 
 describe('Tab', () => {
-  let Tab: typeof import('./result/tabs/tab').default
+  let Tab: typeof import('../result/tabs/tab').default
 
   beforeAll(async () => {
-    const tabModule = await import('./result/tabs/tab')
+    const tabModule = await import('../result/tabs/tab')
     Tab = tabModule.default
   })
 
@@ -671,7 +609,6 @@ describe('Tab', () => {
     vi.clearAllMocks()
   })
 
-  // Rendering tests
   describe('Rendering', () => {
     it('should render tab with label', () => {
       render(
@@ -688,7 +625,6 @@ describe('Tab', () => {
     })
   })
 
-  // Active state styling
   describe('Active State', () => {
     it('should have active styles when isActive is true', () => {
       render(
@@ -721,7 +657,6 @@ describe('Tab', () => {
     })
   })
 
-  // Click handling
   describe('Click Handling', () => {
     it('should call onClick with value when clicked', () => {
       render(
@@ -753,12 +688,10 @@ describe('Tab', () => {
       const tab = screen.getByRole('button')
       fireEvent.click(tab)
 
-      // The click handler is still called, but button is disabled
       expect(tab).toBeDisabled()
     })
   })
 
-  // Disabled state
   describe('Disabled State', () => {
     it('should be disabled when workflowRunningData is undefined', () => {
       render(
@@ -793,19 +726,14 @@ describe('Tab', () => {
   })
 })
 
-// ============================================================================
-// formatPreviewChunks Utility Tests
-// ============================================================================
-
 describe('formatPreviewChunks', () => {
-  let formatPreviewChunks: typeof import('./result/result-preview/utils').formatPreviewChunks
+  let formatPreviewChunks: typeof import('../result/result-preview/utils').formatPreviewChunks
 
   beforeAll(async () => {
-    const utilsModule = await import('./result/result-preview/utils')
+    const utilsModule = await import('../result/result-preview/utils')
     formatPreviewChunks = utilsModule.formatPreviewChunks
   })
 
-  // Edge cases
   describe('Edge Cases', () => {
     it('should return undefined for null outputs', () => {
       expect(formatPreviewChunks(null)).toBeUndefined()
@@ -824,7 +752,6 @@ describe('formatPreviewChunks', () => {
     })
   })
 
-  // General (text) chunks
   describe('General Chunks (ChunkingMode.text)', () => {
     it('should format general chunks correctly', () => {
       const outputs = createMockGeneralOutputs(['content1', 'content2', 'content3'])
@@ -842,7 +769,6 @@ describe('formatPreviewChunks', () => {
       const outputs = createMockGeneralOutputs(manyChunks)
       const result = formatPreviewChunks(outputs) as GeneralChunks
 
-      // RAG_PIPELINE_PREVIEW_CHUNK_NUM is mocked to 5
       expect(result).toHaveLength(5)
       expect(result).toEqual([
         { content: 'chunk0', summary: undefined },
@@ -861,7 +787,6 @@ describe('formatPreviewChunks', () => {
     })
   })
 
-  // Parent-child chunks
   describe('Parent-Child Chunks (ChunkingMode.parentChild)', () => {
     it('should format paragraph mode parent-child chunks correctly', () => {
       const outputs = createMockParentChildOutputs('paragraph')
@@ -902,7 +827,6 @@ describe('formatPreviewChunks', () => {
     })
   })
 
-  // QA chunks
   describe('QA Chunks (ChunkingMode.qa)', () => {
     it('should format QA chunks correctly', () => {
       const outputs = createMockQAOutputs()
@@ -931,14 +855,10 @@ describe('formatPreviewChunks', () => {
   })
 })
 
-// ============================================================================
-// Types Tests
-// ============================================================================
-
 describe('Types', () => {
   describe('TestRunStep Enum', () => {
     it('should have correct enum values', async () => {
-      const { TestRunStep } = await import('./types')
+      const { TestRunStep } = await import('../types')
 
       expect(TestRunStep.dataSource).toBe('dataSource')
       expect(TestRunStep.documentProcessing).toBe('documentProcessing')
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/preparation/hooks.spec.ts b/web/app/components/rag-pipeline/components/panel/test-run/preparation/__tests__/hooks.spec.ts
similarity index 92%
rename from web/app/components/rag-pipeline/components/panel/test-run/preparation/hooks.spec.ts
rename to web/app/components/rag-pipeline/components/panel/test-run/preparation/__tests__/hooks.spec.ts
index 26af210ddf..1a2a4541e3 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/preparation/hooks.spec.ts
+++ b/web/app/components/rag-pipeline/components/panel/test-run/preparation/__tests__/hooks.spec.ts
@@ -3,17 +3,7 @@ import { renderHook } from '@testing-library/react'
 import { act } from 'react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { BlockEnum } from '@/app/components/workflow/types'
-import { useDatasourceOptions, useOnlineDocument, useOnlineDrive, useTestRunSteps, useWebsiteCrawl } from './hooks'
-
-// ============================================================================
-// Mocks
-// ============================================================================
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
+import { useDatasourceOptions, useOnlineDocument, useOnlineDrive, useTestRunSteps, useWebsiteCrawl } from '../hooks'
 
 const mockNodes: Array<{ id: string, data: Partial<DataSourceNodeType> & { type: string } }> = []
 vi.mock('reactflow', () => ({
@@ -33,7 +23,7 @@ vi.mock('@/app/components/workflow/types', () => ({
   },
 }))
 
-vi.mock('../types', () => ({
+vi.mock('../../types', () => ({
   TestRunStep: {
     dataSource: 'dataSource',
     documentProcessing: 'documentProcessing',
@@ -46,10 +36,6 @@ vi.mock('@/models/datasets', () => ({
   },
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('useTestRunSteps', () => {
   afterEach(() => {
     vi.clearAllMocks()
@@ -82,13 +68,11 @@ describe('useTestRunSteps', () => {
   it('should decrement step on handleBackStep', () => {
     const { result } = renderHook(() => useTestRunSteps())
 
-    // Go to step 2 first
     act(() => {
       result.current.handleNextStep()
     })
     expect(result.current.currentStep).toBe(2)
 
-    // Go back
     act(() => {
       result.current.handleBackStep()
     })
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/preparation/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/test-run/preparation/__tests__/index.spec.tsx
similarity index 76%
rename from web/app/components/rag-pipeline/components/panel/test-run/preparation/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/test-run/preparation/__tests__/index.spec.tsx
index 0aa7df0fa8..a7956927c1 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/preparation/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/test-run/preparation/__tests__/index.spec.tsx
@@ -1,27 +1,21 @@
-import type { Datasource } from '../types'
+import type { Datasource } from '../../types'
 import type { DataSourceNodeType } from '@/app/components/workflow/nodes/data-source/types'
 import { act, fireEvent, render, renderHook, screen, waitFor } from '@testing-library/react'
 import * as React from 'react'
 import { DatasourceType } from '@/models/pipeline'
-import FooterTips from './footer-tips'
+import FooterTips from '../footer-tips'
 import {
   useDatasourceOptions,
   useOnlineDocument,
   useOnlineDrive,
   useTestRunSteps,
   useWebsiteCrawl,
-} from './hooks'
-import Preparation from './index'
-import StepIndicator from './step-indicator'
+} from '../hooks'
+import Preparation from '../index'
+import StepIndicator from '../step-indicator'
 
-// ============================================================================
-// Pre-declare variables and functions used in mocks (hoisting)
-// ============================================================================
-
-// Mock Nodes for useDatasourceOptions - must be declared before vi.mock
 let mockNodes: Array<{ id: string, data: DataSourceNodeType }> = []
 
-// Test Data Factory - must be declared before vi.mock that uses it
 const createNodeData = (overrides?: Partial<DataSourceNodeType>): DataSourceNodeType => ({
   title: 'Test Node',
   desc: 'Test description',
@@ -36,39 +30,18 @@ const createNodeData = (overrides?: Partial<DataSourceNodeType>): DataSourceNode
   ...overrides,
 } as unknown as DataSourceNodeType)
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock react-i18next
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string, options?: { ns?: string }) => {
-      const ns = options?.ns ? `${options.ns}.` : ''
-      return `${ns}${key}`
-    },
-  }),
-}))
-
-// Mock reactflow
 vi.mock('reactflow', () => ({
   useNodes: () => mockNodes,
 }))
 
-// Mock zustand/react/shallow
 vi.mock('zustand/react/shallow', () => ({
   useShallow: <T,>(fn: (state: unknown) => T) => fn,
 }))
 
-// Mock amplitude tracking
 vi.mock('@/app/components/base/amplitude', () => ({
   trackEvent: vi.fn(),
 }))
 
-// ============================================================================
-// Mock Data Source Store
-// ============================================================================
-
 let mockDataSourceStoreState = {
   localFileList: [] as Array<{ file: { id: string, name: string, type: string, size: number, extension: string, mime_type: string } }>,
   onlineDocuments: [] as Array<{ workspace_id: string, page_id?: string, title?: string }>,
@@ -103,10 +76,6 @@ vi.mock('@/app/components/datasets/documents/create-from-pipeline/data-source/st
   useDataSourceStoreWithSelector: <T,>(selector: (state: typeof mockDataSourceStoreState) => T) => selector(mockDataSourceStoreState),
 }))
 
-// ============================================================================
-// Mock Workflow Store
-// ============================================================================
-
 let mockWorkflowStoreState = {
   setIsPreparingDataSource: vi.fn(),
   pipelineId: 'test-pipeline-id',
@@ -119,10 +88,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   useStore: <T,>(selector: (state: typeof mockWorkflowStoreState) => T) => selector(mockWorkflowStoreState),
 }))
 
-// ============================================================================
-// Mock Workflow Hooks
-// ============================================================================
-
 const mockHandleRun = vi.fn()
 
 vi.mock('@/app/components/workflow/hooks', () => ({
@@ -132,10 +97,6 @@ vi.mock('@/app/components/workflow/hooks', () => ({
   useToolIcon: () => ({ type: 'icon', icon: 'test-icon' }),
 }))
 
-// ============================================================================
-// Mock Child Components
-// ============================================================================
-
 vi.mock('@/app/components/datasets/documents/create-from-pipeline/data-source/local-file', () => ({
   default: ({ allowedExtensions, supportBatchUpload }: { allowedExtensions: string[], supportBatchUpload: boolean }) => (
     <div data-testid="local-file" data-extensions={JSON.stringify(allowedExtensions)} data-batch={supportBatchUpload}>
@@ -179,7 +140,7 @@ vi.mock('@/app/components/datasets/documents/create-from-pipeline/data-source/on
   ),
 }))
 
-vi.mock('./data-source-options', () => ({
+vi.mock('../data-source-options', () => ({
   default: ({ dataSourceNodeId, onSelect }: { dataSourceNodeId: string, onSelect: (ds: Datasource) => void }) => (
     <div data-testid="data-source-options" data-selected={dataSourceNodeId}>
       <button
@@ -232,7 +193,7 @@ vi.mock('./data-source-options', () => ({
   ),
 }))
 
-vi.mock('./document-processing', () => ({
+vi.mock('../document-processing', () => ({
   default: ({ dataSourceNodeId, onProcess, onBack }: { dataSourceNodeId: string, onProcess: (data: Record<string, unknown>) => void, onBack: () => void }) => (
     <div data-testid="document-processing" data-node-id={dataSourceNodeId}>
       <button data-testid="process-btn" onClick={() => onProcess({ field1: 'value1' })}>Process</button>
@@ -242,10 +203,6 @@ vi.mock('./document-processing', () => ({
   ),
 }))
 
-// ============================================================================
-// Helper to reset all mocks
-// ============================================================================
-
 const resetAllMocks = () => {
   mockDataSourceStoreState = {
     localFileList: [],
@@ -281,10 +238,6 @@ const resetAllMocks = () => {
   mockHandleRun.mockClear()
 }
 
-// ============================================================================
-// StepIndicator Component Tests
-// ============================================================================
-
 describe('StepIndicator', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -296,40 +249,30 @@ describe('StepIndicator', () => {
     { label: 'Step 3', value: 'step3' },
   ]
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', () => {
-      // Arrange & Act
       render(<StepIndicator steps={defaultSteps} currentStep={1} />)
 
-      // Assert
       expect(screen.getByText('Step 1')).toBeInTheDocument()
       expect(screen.getByText('Step 2')).toBeInTheDocument()
       expect(screen.getByText('Step 3')).toBeInTheDocument()
     })
 
     it('should render all step labels', () => {
-      // Arrange
       const steps = [
         { label: 'Data Source', value: 'dataSource' },
         { label: 'Processing', value: 'processing' },
       ]
 
-      // Act
       render(<StepIndicator steps={steps} currentStep={1} />)
 
-      // Assert
       expect(screen.getByText('Data Source')).toBeInTheDocument()
       expect(screen.getByText('Processing')).toBeInTheDocument()
     })
 
     it('should render container with correct classes', () => {
-      // Arrange & Act
       const { container } = render(<StepIndicator steps={defaultSteps} currentStep={1} />)
 
-      // Assert
       const wrapper = container.firstChild as HTMLElement
       expect(wrapper.className).toContain('flex')
       expect(wrapper.className).toContain('items-center')
@@ -339,112 +282,82 @@ describe('StepIndicator', () => {
     })
 
     it('should render divider between steps but not after last step', () => {
-      // Arrange & Act
       const { container } = render(<StepIndicator steps={defaultSteps} currentStep={1} />)
 
-      // Assert - Should have 2 dividers for 3 steps
       const dividers = container.querySelectorAll('.h-px.w-3')
       expect(dividers.length).toBe(2)
     })
 
     it('should not render divider when there is only one step', () => {
-      // Arrange
       const singleStep = [{ label: 'Only Step', value: 'only' }]
 
-      // Act
       const { container } = render(<StepIndicator steps={singleStep} currentStep={1} />)
 
-      // Assert
       const dividers = container.querySelectorAll('.h-px.w-3')
       expect(dividers.length).toBe(0)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should highlight first step when currentStep is 1', () => {
-      // Arrange & Act
       const { container } = render(<StepIndicator steps={defaultSteps} currentStep={1} />)
 
-      // Assert - Check for accent indicator on first step
       const indicators = container.querySelectorAll('.bg-state-accent-solid')
       expect(indicators.length).toBe(1) // The dot indicator
     })
 
     it('should highlight second step when currentStep is 2', () => {
-      // Arrange & Act
       render(<StepIndicator steps={defaultSteps} currentStep={2} />)
 
-      // Assert
       const step2Container = screen.getByText('Step 2').parentElement
       expect(step2Container?.className).toContain('text-state-accent-solid')
     })
 
     it('should highlight third step when currentStep is 3', () => {
-      // Arrange & Act
       render(<StepIndicator steps={defaultSteps} currentStep={3} />)
 
-      // Assert
       const step3Container = screen.getByText('Step 3').parentElement
       expect(step3Container?.className).toContain('text-state-accent-solid')
     })
 
     it('should apply tertiary color to non-current steps', () => {
-      // Arrange & Act
       render(<StepIndicator steps={defaultSteps} currentStep={1} />)
 
-      // Assert
       const step2Container = screen.getByText('Step 2').parentElement
       expect(step2Container?.className).toContain('text-text-tertiary')
     })
 
     it('should show dot indicator only for current step', () => {
-      // Arrange & Act
       const { container } = render(<StepIndicator steps={defaultSteps} currentStep={2} />)
 
-      // Assert - Only one dot should exist
       const dots = container.querySelectorAll('.size-1.rounded-full')
       expect(dots.length).toBe(1)
     })
 
     it('should handle empty steps array', () => {
-      // Arrange & Act
       const { container } = render(<StepIndicator steps={[]} currentStep={1} />)
 
-      // Assert
       expect(container.firstChild).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped with React.memo', () => {
-      // Arrange & Act
       const { rerender } = render(<StepIndicator steps={defaultSteps} currentStep={1} />)
 
-      // Rerender with same props
       rerender(<StepIndicator steps={defaultSteps} currentStep={1} />)
 
-      // Assert - Component should render correctly
       expect(screen.getByText('Step 1')).toBeInTheDocument()
     })
 
     it('should update when currentStep changes', () => {
-      // Arrange
       const { rerender } = render(<StepIndicator steps={defaultSteps} currentStep={1} />)
 
-      // Assert initial state
       let step1Container = screen.getByText('Step 1').parentElement
       expect(step1Container?.className).toContain('text-state-accent-solid')
 
-      // Act - Change step
       rerender(<StepIndicator steps={defaultSteps} currentStep={2} />)
 
-      // Assert
       step1Container = screen.getByText('Step 1').parentElement
       expect(step1Container?.className).toContain('text-text-tertiary')
       const step2Container = screen.getByText('Step 2').parentElement
@@ -452,130 +365,95 @@ describe('StepIndicator', () => {
     })
 
     it('should update when steps array changes', () => {
-      // Arrange
       const { rerender } = render(<StepIndicator steps={defaultSteps} currentStep={1} />)
 
-      // Act
       const newSteps = [
         { label: 'New Step 1', value: 'new1' },
         { label: 'New Step 2', value: 'new2' },
       ]
       rerender(<StepIndicator steps={newSteps} currentStep={1} />)
 
-      // Assert
       expect(screen.getByText('New Step 1')).toBeInTheDocument()
       expect(screen.getByText('New Step 2')).toBeInTheDocument()
       expect(screen.queryByText('Step 3')).not.toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle currentStep of 0', () => {
-      // Arrange & Act
       const { container } = render(<StepIndicator steps={defaultSteps} currentStep={0} />)
 
-      // Assert - No step should be highlighted (currentStep - 1 = -1)
       const dots = container.querySelectorAll('.size-1.rounded-full')
       expect(dots.length).toBe(0)
     })
 
     it('should handle currentStep greater than steps length', () => {
-      // Arrange & Act
       const { container } = render(<StepIndicator steps={defaultSteps} currentStep={10} />)
 
-      // Assert - No step should be highlighted
       const dots = container.querySelectorAll('.size-1.rounded-full')
       expect(dots.length).toBe(0)
     })
 
     it('should handle steps with empty labels', () => {
-      // Arrange
       const stepsWithEmpty = [
         { label: '', value: 'empty' },
         { label: 'Valid', value: 'valid' },
       ]
 
-      // Act
       render(<StepIndicator steps={stepsWithEmpty} currentStep={1} />)
 
-      // Assert
       expect(screen.getByText('Valid')).toBeInTheDocument()
     })
 
     it('should handle steps with very long labels', () => {
-      // Arrange
       const longLabel = 'A'.repeat(100)
       const stepsWithLong = [{ label: longLabel, value: 'long' }]
 
-      // Act
       render(<StepIndicator steps={stepsWithLong} currentStep={1} />)
 
-      // Assert
       expect(screen.getByText(longLabel)).toBeInTheDocument()
     })
 
     it('should handle special characters in labels', () => {
-      // Arrange
       const specialSteps = [{ label: '<Test> & "Label"', value: 'special' }]
 
-      // Act
       render(<StepIndicator steps={specialSteps} currentStep={1} />)
 
-      // Assert
       expect(screen.getByText('<Test> & "Label"')).toBeInTheDocument()
     })
 
     it('should handle unicode characters in labels', () => {
-      // Arrange
       const unicodeSteps = [{ label: '数据源 🎉', value: 'unicode' }]
 
-      // Act
       render(<StepIndicator steps={unicodeSteps} currentStep={1} />)
 
-      // Assert
       expect(screen.getByText('数据源 🎉')).toBeInTheDocument()
     })
 
     it('should handle negative currentStep', () => {
-      // Arrange & Act
       const { container } = render(<StepIndicator steps={defaultSteps} currentStep={-1} />)
 
-      // Assert - No step should be highlighted
       const dots = container.querySelectorAll('.size-1.rounded-full')
       expect(dots.length).toBe(0)
     })
   })
 })
 
-// ============================================================================
-// FooterTips Component Tests
-// ============================================================================
-
 describe('FooterTips', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', () => {
-      // Arrange & Act
       render(<FooterTips />)
 
-      // Assert - Check for translated text
       expect(screen.getByText('datasetPipeline.testRun.tooltip')).toBeInTheDocument()
     })
 
     it('should render with correct container classes', () => {
-      // Arrange & Act
       const { container } = render(<FooterTips />)
 
-      // Assert
       const wrapper = container.firstChild as HTMLElement
       expect(wrapper.className).toContain('system-xs-regular')
       expect(wrapper.className).toContain('flex')
@@ -588,226 +466,161 @@ describe('FooterTips', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped with React.memo', () => {
-      // Arrange & Act
       const { rerender } = render(<FooterTips />)
 
-      // Rerender
       rerender(<FooterTips />)
 
-      // Assert
       expect(screen.getByText('datasetPipeline.testRun.tooltip')).toBeInTheDocument()
     })
 
     it('should render consistently across multiple rerenders', () => {
-      // Arrange
       const { rerender } = render(<FooterTips />)
 
-      // Act - Multiple rerenders
       for (let i = 0; i < 5; i++)
         rerender(<FooterTips />)
 
-      // Assert
       expect(screen.getByText('datasetPipeline.testRun.tooltip')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle unmount cleanly', () => {
-      // Arrange
       const { unmount } = render(<FooterTips />)
 
-      // Assert
       expect(() => unmount()).not.toThrow()
     })
   })
 })
 
-// ============================================================================
-// useTestRunSteps Hook Tests
-// ============================================================================
-
 describe('useTestRunSteps', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Initial State Tests
-  // -------------------------------------------------------------------------
   describe('Initial State', () => {
     it('should initialize with currentStep as 1', () => {
-      // Arrange & Act
       const { result } = renderHook(() => useTestRunSteps())
 
-      // Assert
       expect(result.current.currentStep).toBe(1)
     })
 
     it('should provide steps array with data source and document processing steps', () => {
-      // Arrange & Act
       const { result } = renderHook(() => useTestRunSteps())
 
-      // Assert
       expect(result.current.steps).toHaveLength(2)
       expect(result.current.steps[0].value).toBe('dataSource')
       expect(result.current.steps[1].value).toBe('documentProcessing')
     })
 
     it('should provide translated step labels', () => {
-      // Arrange & Act
       const { result } = renderHook(() => useTestRunSteps())
 
-      // Assert
       expect(result.current.steps[0].label).toContain('testRun.steps.dataSource')
       expect(result.current.steps[1].label).toContain('testRun.steps.documentProcessing')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // handleNextStep Tests
-  // -------------------------------------------------------------------------
   describe('handleNextStep', () => {
     it('should increment currentStep by 1', () => {
-      // Arrange
       const { result } = renderHook(() => useTestRunSteps())
 
-      // Act
       act(() => {
         result.current.handleNextStep()
       })
 
-      // Assert
       expect(result.current.currentStep).toBe(2)
     })
 
     it('should continue incrementing on multiple calls', () => {
-      // Arrange
       const { result } = renderHook(() => useTestRunSteps())
 
-      // Act
       act(() => {
         result.current.handleNextStep()
         result.current.handleNextStep()
         result.current.handleNextStep()
       })
 
-      // Assert
       expect(result.current.currentStep).toBe(4)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // handleBackStep Tests
-  // -------------------------------------------------------------------------
   describe('handleBackStep', () => {
     it('should decrement currentStep by 1', () => {
-      // Arrange
       const { result } = renderHook(() => useTestRunSteps())
 
-      // First go to step 2
       act(() => {
         result.current.handleNextStep()
       })
       expect(result.current.currentStep).toBe(2)
 
-      // Act
       act(() => {
         result.current.handleBackStep()
       })
 
-      // Assert
       expect(result.current.currentStep).toBe(1)
     })
 
     it('should allow going to negative steps (no validation)', () => {
-      // Arrange
       const { result } = renderHook(() => useTestRunSteps())
 
-      // Act
       act(() => {
         result.current.handleBackStep()
       })
 
-      // Assert
       expect(result.current.currentStep).toBe(0)
     })
 
     it('should continue decrementing on multiple calls', () => {
-      // Arrange
       const { result } = renderHook(() => useTestRunSteps())
 
-      // Go to step 5
       act(() => {
         for (let i = 0; i < 4; i++)
           result.current.handleNextStep()
       })
       expect(result.current.currentStep).toBe(5)
 
-      // Act - Go back 3 steps
       act(() => {
         result.current.handleBackStep()
         result.current.handleBackStep()
         result.current.handleBackStep()
       })
 
-      // Assert
       expect(result.current.currentStep).toBe(2)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should return stable handleNextStep callback', () => {
-      // Arrange
       const { result, rerender } = renderHook(() => useTestRunSteps())
       const initialCallback = result.current.handleNextStep
 
-      // Act
       rerender()
 
-      // Assert
       expect(result.current.handleNextStep).toBe(initialCallback)
     })
 
     it('should return stable handleBackStep callback', () => {
-      // Arrange
       const { result, rerender } = renderHook(() => useTestRunSteps())
       const initialCallback = result.current.handleBackStep
 
-      // Act
       rerender()
 
-      // Assert
       expect(result.current.handleBackStep).toBe(initialCallback)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Integration Tests
-  // -------------------------------------------------------------------------
   describe('Integration', () => {
     it('should handle forward and backward navigation', () => {
-      // Arrange
       const { result } = renderHook(() => useTestRunSteps())
 
-      // Act & Assert - Navigate forward
       act(() => result.current.handleNextStep())
       expect(result.current.currentStep).toBe(2)
 
       act(() => result.current.handleNextStep())
       expect(result.current.currentStep).toBe(3)
 
-      // Act & Assert - Navigate backward
       act(() => result.current.handleBackStep())
       expect(result.current.currentStep).toBe(2)
 
@@ -817,33 +630,22 @@ describe('useTestRunSteps', () => {
   })
 })
 
-// ============================================================================
-// useDatasourceOptions Hook Tests
-// ============================================================================
-
 describe('useDatasourceOptions', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     resetAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Basic Functionality Tests
-  // -------------------------------------------------------------------------
   describe('Basic Functionality', () => {
     it('should return empty array when no nodes exist', () => {
-      // Arrange
       mockNodes = []
 
-      // Act
       const { result } = renderHook(() => useDatasourceOptions())
 
-      // Assert
       expect(result.current).toEqual([])
     })
 
     it('should return empty array when no DataSource nodes exist', () => {
-      // Arrange
       mockNodes = [
         {
           id: 'node-1',
@@ -854,15 +656,12 @@ describe('useDatasourceOptions', () => {
         },
       ]
 
-      // Act
       const { result } = renderHook(() => useDatasourceOptions())
 
-      // Assert
       expect(result.current).toEqual([])
     })
 
     it('should return options for DataSource nodes only', () => {
-      // Arrange
       mockNodes = [
         {
           id: 'datasource-1',
@@ -887,10 +686,8 @@ describe('useDatasourceOptions', () => {
         },
       ]
 
-      // Act
       const { result } = renderHook(() => useDatasourceOptions())
 
-      // Assert
       expect(result.current).toHaveLength(2)
       expect(result.current[0]).toEqual({
         label: 'Local File Source',
@@ -905,7 +702,6 @@ describe('useDatasourceOptions', () => {
     })
 
     it('should map node id to option value', () => {
-      // Arrange
       mockNodes = [
         {
           id: 'unique-node-id-123',
@@ -916,15 +712,12 @@ describe('useDatasourceOptions', () => {
         },
       ]
 
-      // Act
       const { result } = renderHook(() => useDatasourceOptions())
 
-      // Assert
       expect(result.current[0].value).toBe('unique-node-id-123')
     })
 
     it('should map node title to option label', () => {
-      // Arrange
       mockNodes = [
         {
           id: 'node-1',
@@ -935,15 +728,12 @@ describe('useDatasourceOptions', () => {
         },
       ]
 
-      // Act
       const { result } = renderHook(() => useDatasourceOptions())
 
-      // Assert
       expect(result.current[0].label).toBe('Custom Data Source Title')
     })
 
     it('should include full node data in option', () => {
-      // Arrange
       const nodeData = {
         ...createNodeData({
           title: 'Full Data Test',
@@ -960,20 +750,14 @@ describe('useDatasourceOptions', () => {
         },
       ]
 
-      // Act
       const { result } = renderHook(() => useDatasourceOptions())
 
-      // Assert
       expect(result.current[0].data).toEqual(nodeData)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should return same options reference when nodes do not change', () => {
-      // Arrange
       mockNodes = [
         {
           id: 'node-1',
@@ -984,18 +768,15 @@ describe('useDatasourceOptions', () => {
         },
       ]
 
-      // Act
       const { result, rerender } = renderHook(() => useDatasourceOptions())
 
       rerender()
 
-      // Assert - Options should be memoized and still work correctly after rerender
       expect(result.current).toHaveLength(1)
       expect(result.current[0].label).toBe('Test')
     })
 
     it('should update options when nodes change', () => {
-      // Arrange
       mockNodes = [
         {
           id: 'node-1',
@@ -1010,7 +791,6 @@ describe('useDatasourceOptions', () => {
       expect(result.current).toHaveLength(1)
       expect(result.current[0].label).toBe('First')
 
-      // Act - Change nodes
       mockNodes = [
         {
           id: 'node-2',
@@ -1029,19 +809,14 @@ describe('useDatasourceOptions', () => {
       ]
       rerender()
 
-      // Assert
       expect(result.current).toHaveLength(2)
       expect(result.current[0].label).toBe('Second')
       expect(result.current[1].label).toBe('Third')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle nodes with empty title', () => {
-      // Arrange
       mockNodes = [
         {
           id: 'node-1',
@@ -1052,15 +827,12 @@ describe('useDatasourceOptions', () => {
         },
       ]
 
-      // Act
       const { result } = renderHook(() => useDatasourceOptions())
 
-      // Assert
       expect(result.current[0].label).toBe('')
     })
 
     it('should handle multiple DataSource nodes', () => {
-      // Arrange
       mockNodes = Array.from({ length: 10 }, (_, i) => ({
         id: `node-${i}`,
         data: {
@@ -1069,10 +841,8 @@ describe('useDatasourceOptions', () => {
         } as DataSourceNodeType,
       }))
 
-      // Act
       const { result } = renderHook(() => useDatasourceOptions())
 
-      // Assert
       expect(result.current).toHaveLength(10)
       result.current.forEach((option, i) => {
         expect(option.value).toBe(`node-${i}`)
@@ -1082,30 +852,20 @@ describe('useDatasourceOptions', () => {
   })
 })
 
-// ============================================================================
-// useOnlineDocument Hook Tests
-// ============================================================================
-
 describe('useOnlineDocument', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     resetAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // clearOnlineDocumentData Tests
-  // -------------------------------------------------------------------------
   describe('clearOnlineDocumentData', () => {
     it('should clear all online document related data', () => {
-      // Arrange
       const { result } = renderHook(() => useOnlineDocument())
 
-      // Act
       act(() => {
         result.current.clearOnlineDocumentData()
       })
 
-      // Assert
       expect(mockDataSourceStoreState.setDocumentsData).toHaveBeenCalledWith([])
       expect(mockDataSourceStoreState.setSearchValue).toHaveBeenCalledWith('')
       expect(mockDataSourceStoreState.setSelectedPagesId).toHaveBeenCalledWith(new Set())
@@ -1114,7 +874,6 @@ describe('useOnlineDocument', () => {
     })
 
     it('should call all clear functions in correct order', () => {
-      // Arrange
       const { result } = renderHook(() => useOnlineDocument())
       const callOrder: string[] = []
       mockDataSourceStoreState.setDocumentsData = vi.fn(() => callOrder.push('setDocumentsData'))
@@ -1123,12 +882,10 @@ describe('useOnlineDocument', () => {
       mockDataSourceStoreState.setOnlineDocuments = vi.fn(() => callOrder.push('setOnlineDocuments'))
       mockDataSourceStoreState.setCurrentDocument = vi.fn(() => callOrder.push('setCurrentDocument'))
 
-      // Act
       act(() => {
         result.current.clearOnlineDocumentData()
       })
 
-      // Assert
       expect(callOrder).toEqual([
         'setDocumentsData',
         'setSearchValue',
@@ -1139,58 +896,40 @@ describe('useOnlineDocument', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should maintain functional callback after rerender', () => {
-      // Arrange
       const { result, rerender } = renderHook(() => useOnlineDocument())
 
-      // Act - First call
       act(() => {
         result.current.clearOnlineDocumentData()
       })
       const firstCallCount = mockDataSourceStoreState.setDocumentsData.mock.calls.length
 
-      // Rerender
       rerender()
 
-      // Act - Second call after rerender
       act(() => {
         result.current.clearOnlineDocumentData()
       })
 
-      // Assert - Callback should still work after rerender
       expect(mockDataSourceStoreState.setDocumentsData.mock.calls.length).toBe(firstCallCount + 1)
     })
   })
 })
 
-// ============================================================================
-// useWebsiteCrawl Hook Tests
-// ============================================================================
-
 describe('useWebsiteCrawl', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     resetAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // clearWebsiteCrawlData Tests
-  // -------------------------------------------------------------------------
   describe('clearWebsiteCrawlData', () => {
     it('should clear all website crawl related data', () => {
-      // Arrange
       const { result } = renderHook(() => useWebsiteCrawl())
 
-      // Act
       act(() => {
         result.current.clearWebsiteCrawlData()
       })
 
-      // Assert
       expect(mockDataSourceStoreState.setStep).toHaveBeenCalledWith('init')
       expect(mockDataSourceStoreState.setCrawlResult).toHaveBeenCalledWith(undefined)
       expect(mockDataSourceStoreState.setCurrentWebsite).toHaveBeenCalledWith(undefined)
@@ -1199,7 +938,6 @@ describe('useWebsiteCrawl', () => {
     })
 
     it('should call all clear functions in correct order', () => {
-      // Arrange
       const { result } = renderHook(() => useWebsiteCrawl())
       const callOrder: string[] = []
       mockDataSourceStoreState.setStep = vi.fn(() => callOrder.push('setStep'))
@@ -1208,12 +946,10 @@ describe('useWebsiteCrawl', () => {
       mockDataSourceStoreState.setWebsitePages = vi.fn(() => callOrder.push('setWebsitePages'))
       mockDataSourceStoreState.setPreviewIndex = vi.fn(() => callOrder.push('setPreviewIndex'))
 
-      // Act
       act(() => {
         result.current.clearWebsiteCrawlData()
       })
 
-      // Assert
       expect(callOrder).toEqual([
         'setStep',
         'setCrawlResult',
@@ -1224,58 +960,40 @@ describe('useWebsiteCrawl', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should maintain functional callback after rerender', () => {
-      // Arrange
       const { result, rerender } = renderHook(() => useWebsiteCrawl())
 
-      // Act - First call
       act(() => {
         result.current.clearWebsiteCrawlData()
       })
       const firstCallCount = mockDataSourceStoreState.setStep.mock.calls.length
 
-      // Rerender
       rerender()
 
-      // Act - Second call after rerender
       act(() => {
         result.current.clearWebsiteCrawlData()
       })
 
-      // Assert - Callback should still work after rerender
       expect(mockDataSourceStoreState.setStep.mock.calls.length).toBe(firstCallCount + 1)
     })
   })
 })
 
-// ============================================================================
-// useOnlineDrive Hook Tests
-// ============================================================================
-
 describe('useOnlineDrive', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     resetAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // clearOnlineDriveData Tests
-  // -------------------------------------------------------------------------
   describe('clearOnlineDriveData', () => {
     it('should clear all online drive related data', () => {
-      // Arrange
       const { result } = renderHook(() => useOnlineDrive())
 
-      // Act
       act(() => {
         result.current.clearOnlineDriveData()
       })
 
-      // Assert
       expect(mockDataSourceStoreState.setOnlineDriveFileList).toHaveBeenCalledWith([])
       expect(mockDataSourceStoreState.setBucket).toHaveBeenCalledWith('')
       expect(mockDataSourceStoreState.setPrefix).toHaveBeenCalledWith([])
@@ -1284,7 +1002,6 @@ describe('useOnlineDrive', () => {
     })
 
     it('should call all clear functions in correct order', () => {
-      // Arrange
       const { result } = renderHook(() => useOnlineDrive())
       const callOrder: string[] = []
       mockDataSourceStoreState.setOnlineDriveFileList = vi.fn(() => callOrder.push('setOnlineDriveFileList'))
@@ -1293,12 +1010,10 @@ describe('useOnlineDrive', () => {
       mockDataSourceStoreState.setKeywords = vi.fn(() => callOrder.push('setKeywords'))
       mockDataSourceStoreState.setSelectedFileIds = vi.fn(() => callOrder.push('setSelectedFileIds'))
 
-      // Act
       act(() => {
         result.current.clearOnlineDriveData()
       })
 
-      // Assert
       expect(callOrder).toEqual([
         'setOnlineDriveFileList',
         'setBucket',
@@ -1309,398 +1024,291 @@ describe('useOnlineDrive', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should maintain functional callback after rerender', () => {
-      // Arrange
       const { result, rerender } = renderHook(() => useOnlineDrive())
 
-      // Act - First call
       act(() => {
         result.current.clearOnlineDriveData()
       })
       const firstCallCount = mockDataSourceStoreState.setOnlineDriveFileList.mock.calls.length
 
-      // Rerender
       rerender()
 
-      // Act - Second call after rerender
       act(() => {
         result.current.clearOnlineDriveData()
       })
 
-      // Assert - Callback should still work after rerender
       expect(mockDataSourceStoreState.setOnlineDriveFileList.mock.calls.length).toBe(firstCallCount + 1)
     })
   })
 })
 
-// ============================================================================
-// Preparation Component Tests
-// ============================================================================
-
 describe('Preparation', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     resetAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', () => {
-      // Arrange & Act
       render(<Preparation />)
 
-      // Assert
       expect(screen.getByTestId('data-source-options')).toBeInTheDocument()
     })
 
     it('should render StepIndicator', () => {
-      // Arrange & Act
       render(<Preparation />)
 
-      // Assert - Check for step text
       expect(screen.getByText('datasetPipeline.testRun.steps.dataSource')).toBeInTheDocument()
       expect(screen.getByText('datasetPipeline.testRun.steps.documentProcessing')).toBeInTheDocument()
     })
 
     it('should render DataSourceOptions on step 1', () => {
-      // Arrange & Act
       render(<Preparation />)
 
-      // Assert
       expect(screen.getByTestId('data-source-options')).toBeInTheDocument()
     })
 
     it('should render Actions on step 1', () => {
-      // Arrange & Act
       render(<Preparation />)
 
-      // Assert
       expect(screen.getByText('datasetCreation.stepOne.button')).toBeInTheDocument()
     })
 
     it('should render FooterTips on step 1', () => {
-      // Arrange & Act
       render(<Preparation />)
 
-      // Assert
       expect(screen.getByText('datasetPipeline.testRun.tooltip')).toBeInTheDocument()
     })
 
     it('should not render DocumentProcessing on step 1', () => {
-      // Arrange & Act
       render(<Preparation />)
 
-      // Assert
       expect(screen.queryByTestId('document-processing')).not.toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Data Source Selection Tests
-  // -------------------------------------------------------------------------
   describe('Data Source Selection', () => {
     it('should render LocalFile component when local file datasource is selected', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(screen.getByTestId('local-file')).toBeInTheDocument()
     })
 
     it('should render OnlineDocuments component when online document datasource is selected', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-document'))
 
-      // Assert
       expect(screen.getByTestId('online-documents')).toBeInTheDocument()
     })
 
     it('should render WebsiteCrawl component when website crawl datasource is selected', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-website-crawl'))
 
-      // Assert
       expect(screen.getByTestId('website-crawl')).toBeInTheDocument()
     })
 
     it('should render OnlineDrive component when online drive datasource is selected', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-drive'))
 
-      // Assert
       expect(screen.getByTestId('online-drive')).toBeInTheDocument()
     })
 
     it('should pass correct props to LocalFile component', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       const localFile = screen.getByTestId('local-file')
       expect(localFile).toHaveAttribute('data-extensions', '["txt","pdf"]')
       expect(localFile).toHaveAttribute('data-batch', 'false')
     })
 
     it('should pass isInPipeline=true to OnlineDocuments', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-document'))
 
-      // Assert
       const onlineDocs = screen.getByTestId('online-documents')
       expect(onlineDocs).toHaveAttribute('data-in-pipeline', 'true')
     })
 
     it('should pass supportBatchUpload=false to all data source components', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act - Select online document
       fireEvent.click(screen.getByTestId('select-online-document'))
 
-      // Assert
       expect(screen.getByTestId('online-documents')).toHaveAttribute('data-batch', 'false')
     })
 
     it('should update dataSourceNodeId when selecting different datasources', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(screen.getByTestId('data-source-options')).toHaveAttribute('data-selected', 'local-file-node')
 
-      // Act - Select another
       fireEvent.click(screen.getByTestId('select-online-document'))
 
-      // Assert
       expect(screen.getByTestId('data-source-options')).toHaveAttribute('data-selected', 'online-doc-node')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Next Button Disabled State Tests
-  // -------------------------------------------------------------------------
   describe('Next Button Disabled State', () => {
     it('should disable next button when no datasource is selected', () => {
-      // Arrange & Act
       render(<Preparation />)
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
     })
 
     it('should disable next button for local file when file list is empty', () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = []
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
     })
 
     it('should disable next button for local file when file has no id', () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: '', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
     })
 
     it('should enable next button for local file when file has valid id', () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).not.toBeDisabled()
     })
 
     it('should disable next button for online document when documents list is empty', () => {
-      // Arrange
       mockDataSourceStoreState.onlineDocuments = []
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-document'))
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
     })
 
     it('should enable next button for online document when documents exist', () => {
-      // Arrange
       mockDataSourceStoreState.onlineDocuments = [{ workspace_id: 'ws-1', page_id: 'page-1' }]
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-document'))
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).not.toBeDisabled()
     })
 
     it('should disable next button for website crawl when pages list is empty', () => {
-      // Arrange
       mockDataSourceStoreState.websitePages = []
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-website-crawl'))
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
     })
 
     it('should enable next button for website crawl when pages exist', () => {
-      // Arrange
       mockDataSourceStoreState.websitePages = [{ url: 'https://example.com' }]
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-website-crawl'))
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).not.toBeDisabled()
     })
 
     it('should disable next button for online drive when no files selected', () => {
-      // Arrange
       mockDataSourceStoreState.selectedFileIds = []
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-drive'))
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
     })
 
     it('should enable next button for online drive when files are selected', () => {
-      // Arrange
       mockDataSourceStoreState.selectedFileIds = ['file-1']
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-drive'))
 
-      // Assert
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).not.toBeDisabled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Step Navigation Tests
-  // -------------------------------------------------------------------------
   describe('Step Navigation', () => {
     it('should navigate to step 2 when next button is clicked with valid data', () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act - Select datasource and click next
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
 
-      // Assert
       expect(screen.getByTestId('document-processing')).toBeInTheDocument()
       expect(screen.queryByTestId('data-source-options')).not.toBeInTheDocument()
     })
 
     it('should pass correct dataSourceNodeId to DocumentProcessing', () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
 
-      // Assert
       expect(screen.getByTestId('document-processing')).toHaveAttribute('data-node-id', 'local-file-node')
     })
 
     it('should navigate back to step 1 when back button is clicked', () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act - Go to step 2
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       expect(screen.getByTestId('document-processing')).toBeInTheDocument()
 
-      // Act - Go back
       fireEvent.click(screen.getByTestId('back-btn'))
 
-      // Assert
       expect(screen.getByTestId('data-source-options')).toBeInTheDocument()
       expect(screen.queryByTestId('document-processing')).not.toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // handleProcess Tests
-  // -------------------------------------------------------------------------
   describe('handleProcess', () => {
     it('should call handleRun with correct params for local file', async () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       fireEvent.click(screen.getByTestId('process-btn'))
 
-      // Assert
       await waitFor(() => {
         expect(mockHandleRun).toHaveBeenCalledWith(expect.objectContaining({
           inputs: { field1: 'value1' },
@@ -1711,17 +1319,14 @@ describe('Preparation', () => {
     })
 
     it('should call handleRun with correct params for online document', async () => {
-      // Arrange
       mockDataSourceStoreState.onlineDocuments = [{ workspace_id: 'ws-1', page_id: 'page-1', title: 'Test Doc' }]
       mockDataSourceStoreState.currentCredentialId = 'cred-123'
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-document'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       fireEvent.click(screen.getByTestId('process-btn'))
 
-      // Assert
       await waitFor(() => {
         expect(mockHandleRun).toHaveBeenCalledWith(expect.objectContaining({
           inputs: { field1: 'value1' },
@@ -1732,17 +1337,14 @@ describe('Preparation', () => {
     })
 
     it('should call handleRun with correct params for website crawl', async () => {
-      // Arrange
       mockDataSourceStoreState.websitePages = [{ url: 'https://example.com', title: 'Example' }]
       mockDataSourceStoreState.currentCredentialId = 'cred-456'
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-website-crawl'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       fireEvent.click(screen.getByTestId('process-btn'))
 
-      // Assert
       await waitFor(() => {
         expect(mockHandleRun).toHaveBeenCalledWith(expect.objectContaining({
           inputs: { field1: 'value1' },
@@ -1753,19 +1355,16 @@ describe('Preparation', () => {
     })
 
     it('should call handleRun with correct params for online drive', async () => {
-      // Arrange
       mockDataSourceStoreState.selectedFileIds = ['file-1']
       mockDataSourceStoreState.onlineDriveFileList = [{ id: 'file-1', name: 'data.csv', type: 'file' }]
       mockDataSourceStoreState.bucket = 'my-bucket'
       mockDataSourceStoreState.currentCredentialId = 'cred-789'
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-drive'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       fireEvent.click(screen.getByTestId('process-btn'))
 
-      // Assert
       await waitFor(() => {
         expect(mockHandleRun).toHaveBeenCalledWith(expect.objectContaining({
           inputs: { field1: 'value1' },
@@ -1776,211 +1375,151 @@ describe('Preparation', () => {
     })
 
     it('should call setIsPreparingDataSource(false) after processing', async () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       fireEvent.click(screen.getByTestId('process-btn'))
 
-      // Assert
       await waitFor(() => {
         expect(mockWorkflowStoreState.setIsPreparingDataSource).toHaveBeenCalledWith(false)
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // clearDataSourceData Tests
-  // -------------------------------------------------------------------------
   describe('clearDataSourceData', () => {
     it('should clear online document data when switching from online document', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act - Select online document first
       fireEvent.click(screen.getByTestId('select-online-document'))
-      // Then switch to local file
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(mockDataSourceStoreState.setDocumentsData).toHaveBeenCalled()
       expect(mockDataSourceStoreState.setOnlineDocuments).toHaveBeenCalled()
     })
 
     it('should clear website crawl data when switching from website crawl', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act - Select website crawl first
       fireEvent.click(screen.getByTestId('select-website-crawl'))
-      // Then switch to local file
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(mockDataSourceStoreState.setWebsitePages).toHaveBeenCalled()
       expect(mockDataSourceStoreState.setCrawlResult).toHaveBeenCalled()
     })
 
     it('should clear online drive data when switching from online drive', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act - Select online drive first
       fireEvent.click(screen.getByTestId('select-online-drive'))
-      // Then switch to local file
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(mockDataSourceStoreState.setOnlineDriveFileList).toHaveBeenCalled()
       expect(mockDataSourceStoreState.setBucket).toHaveBeenCalled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // handleCredentialChange Tests
-  // -------------------------------------------------------------------------
   describe('handleCredentialChange', () => {
     it('should update credential and clear data when credential changes for online document', () => {
-      // Arrange
       mockDataSourceStoreState.onlineDocuments = [{ workspace_id: 'ws-1' }]
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-document'))
       fireEvent.click(screen.getByText('Change Credential'))
 
-      // Assert
       expect(mockDataSourceStoreState.setCurrentCredentialId).toHaveBeenCalledWith('new-credential-id')
     })
 
     it('should clear data when credential changes for website crawl', () => {
-      // Arrange
       mockDataSourceStoreState.websitePages = [{ url: 'https://example.com' }]
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-website-crawl'))
       fireEvent.click(screen.getByText('Change Credential'))
 
-      // Assert
       expect(mockDataSourceStoreState.setCurrentCredentialId).toHaveBeenCalledWith('new-credential-id')
       expect(mockDataSourceStoreState.setWebsitePages).toHaveBeenCalled()
     })
 
     it('should clear data when credential changes for online drive', () => {
-      // Arrange
       mockDataSourceStoreState.selectedFileIds = ['file-1']
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-online-drive'))
       fireEvent.click(screen.getByText('Change Credential'))
 
-      // Assert
       expect(mockDataSourceStoreState.setCurrentCredentialId).toHaveBeenCalledWith('new-credential-id')
       expect(mockDataSourceStoreState.setOnlineDriveFileList).toHaveBeenCalled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // handleSwitchDataSource Tests
-  // -------------------------------------------------------------------------
   describe('handleSwitchDataSource', () => {
     it('should clear credential when switching datasource', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(mockDataSourceStoreState.setCurrentCredentialId).toHaveBeenCalledWith('')
     })
 
     it('should update currentNodeIdRef when switching datasource', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert
       expect(mockDataSourceStoreState.currentNodeIdRef.current).toBe('local-file-node')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped with React.memo', () => {
-      // Arrange & Act
       const { rerender } = render(<Preparation />)
       rerender(<Preparation />)
 
-      // Assert
       expect(screen.getByTestId('data-source-options')).toBeInTheDocument()
     })
 
     it('should maintain state across rerenders', () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       const { rerender } = render(<Preparation />)
 
-      // Act - Select datasource and go to step 2
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
 
-      // Rerender
       rerender(<Preparation />)
 
-      // Assert - Should still be on step 2
       expect(screen.getByTestId('document-processing')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle unmount cleanly', () => {
-      // Arrange
       const { unmount } = render(<Preparation />)
 
-      // Assert
       expect(() => unmount()).not.toThrow()
     })
 
     it('should enable next button for unknown datasource type (return false branch)', () => {
-      // Arrange - This tests line 67: return false for unknown datasource types
       render(<Preparation />)
 
-      // Act - Select unknown type datasource
       fireEvent.click(screen.getByTestId('select-unknown-type'))
 
-      // Assert - Button should NOT be disabled because unknown type returns false (not disabled)
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).not.toBeDisabled()
     })
 
     it('should handle handleProcess with unknown datasource type', async () => {
-      // Arrange - This tests processing with unknown type, triggering default branch
       render(<Preparation />)
 
-      // Act - Select unknown type and go to step 2
       fireEvent.click(screen.getByTestId('select-unknown-type'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
 
-      // Process with unknown type
       fireEvent.click(screen.getByTestId('process-btn'))
 
-      // Assert - handleRun should be called with empty datasource_info_list (no type matched)
       await waitFor(() => {
         expect(mockHandleRun).toHaveBeenCalledWith(expect.objectContaining({
           start_node_id: 'unknown-type-node',
@@ -1991,202 +1530,153 @@ describe('Preparation', () => {
     })
 
     it('should handle rapid datasource switching', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act - Rapidly switch between datasources
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByTestId('select-online-document'))
       fireEvent.click(screen.getByTestId('select-website-crawl'))
       fireEvent.click(screen.getByTestId('select-online-drive'))
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert - Should end up with local file selected
       expect(screen.getByTestId('local-file')).toBeInTheDocument()
     })
 
     it('should handle rapid step navigation', () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act - Select and navigate
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       fireEvent.click(screen.getByTestId('back-btn'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       fireEvent.click(screen.getByTestId('back-btn'))
 
-      // Assert - Should be back on step 1
       expect(screen.getByTestId('data-source-options')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Integration Tests
-  // -------------------------------------------------------------------------
   describe('Integration', () => {
     it('should complete full flow: select datasource -> next -> process', async () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act - Step 1: Select datasource
       fireEvent.click(screen.getByTestId('select-local-file'))
       expect(screen.getByTestId('local-file')).toBeInTheDocument()
 
-      // Act - Step 1: Click next
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       expect(screen.getByTestId('document-processing')).toBeInTheDocument()
 
-      // Act - Step 2: Process
       fireEvent.click(screen.getByTestId('process-btn'))
 
-      // Assert
       await waitFor(() => {
         expect(mockHandleRun).toHaveBeenCalled()
       })
     })
 
     it('should complete full flow with back navigation', async () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       mockDataSourceStoreState.onlineDocuments = [{ workspace_id: 'ws-1' }]
       render(<Preparation />)
 
-      // Act - Select local file and go to step 2
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
       expect(screen.getByTestId('document-processing')).toBeInTheDocument()
 
-      // Act - Go back and switch to online document
       fireEvent.click(screen.getByTestId('back-btn'))
       fireEvent.click(screen.getByTestId('select-online-document'))
       expect(screen.getByTestId('online-documents')).toBeInTheDocument()
 
-      // Act - Go to step 2 again
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
 
-      // Assert - Should be on step 2 with online document
       expect(screen.getByTestId('document-processing')).toHaveAttribute('data-node-id', 'online-doc-node')
     })
   })
 })
 
-// ============================================================================
-// Callback Dependencies Tests
-// ============================================================================
-
 describe('Callback Dependencies', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     resetAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // nextBtnDisabled useMemo Dependencies
-  // -------------------------------------------------------------------------
   describe('nextBtnDisabled Memoization', () => {
     it('should update when localFileList changes', () => {
-      // Arrange
       const { rerender } = render(<Preparation />)
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert - Initially disabled
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
 
-      // Act - Update localFileList
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'file-123', name: 'test.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       rerender(<Preparation />)
       fireEvent.click(screen.getByTestId('select-local-file'))
 
-      // Assert - Now enabled
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).not.toBeDisabled()
     })
 
     it('should update when onlineDocuments changes', () => {
-      // Arrange
       const { rerender } = render(<Preparation />)
       fireEvent.click(screen.getByTestId('select-online-document'))
 
-      // Assert - Initially disabled
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
 
-      // Act - Update onlineDocuments
       mockDataSourceStoreState.onlineDocuments = [{ workspace_id: 'ws-1' }]
       rerender(<Preparation />)
       fireEvent.click(screen.getByTestId('select-online-document'))
 
-      // Assert - Now enabled
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).not.toBeDisabled()
     })
 
     it('should update when websitePages changes', () => {
-      // Arrange
       const { rerender } = render(<Preparation />)
       fireEvent.click(screen.getByTestId('select-website-crawl'))
 
-      // Assert - Initially disabled
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
 
-      // Act - Update websitePages
       mockDataSourceStoreState.websitePages = [{ url: 'https://example.com' }]
       rerender(<Preparation />)
       fireEvent.click(screen.getByTestId('select-website-crawl'))
 
-      // Assert - Now enabled
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).not.toBeDisabled()
     })
 
     it('should update when selectedFileIds changes', () => {
-      // Arrange
       const { rerender } = render(<Preparation />)
       fireEvent.click(screen.getByTestId('select-online-drive'))
 
-      // Assert - Initially disabled
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).toBeDisabled()
 
-      // Act - Update selectedFileIds
       mockDataSourceStoreState.selectedFileIds = ['file-1']
       rerender(<Preparation />)
       fireEvent.click(screen.getByTestId('select-online-drive'))
 
-      // Assert - Now enabled
       expect(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i })).not.toBeDisabled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // handleProcess useCallback Dependencies
-  // -------------------------------------------------------------------------
   describe('handleProcess Callback Dependencies', () => {
     it('should use latest store state when processing', async () => {
-      // Arrange
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'initial-file', name: 'initial.txt', type: 'text/plain', size: 100, extension: 'txt', mime_type: 'text/plain' } },
       ]
       render(<Preparation />)
 
-      // Act - Select and navigate
       fireEvent.click(screen.getByTestId('select-local-file'))
       fireEvent.click(screen.getByRole('button', { name: /datasetCreation.stepOne.button/i }))
 
-      // Update store before processing
       mockDataSourceStoreState.localFileList = [
         { file: { id: 'updated-file', name: 'updated.txt', type: 'text/plain', size: 200, extension: 'txt', mime_type: 'text/plain' } },
       ]
 
       fireEvent.click(screen.getByTestId('process-btn'))
 
-      // Assert - Should use latest file
       await waitFor(() => {
         expect(mockHandleRun).toHaveBeenCalledWith(expect.objectContaining({
           datasource_info_list: expect.arrayContaining([
@@ -2197,24 +1687,16 @@ describe('Callback Dependencies', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // clearDataSourceData useCallback Dependencies
-  // -------------------------------------------------------------------------
   describe('clearDataSourceData Callback Dependencies', () => {
     it('should call correct clear function based on datasource type', () => {
-      // Arrange
       render(<Preparation />)
 
-      // Act - Select online document
       fireEvent.click(screen.getByTestId('select-online-document'))
 
-      // Assert
       expect(mockDataSourceStoreState.setOnlineDocuments).toHaveBeenCalled()
 
-      // Act - Switch to website crawl
       fireEvent.click(screen.getByTestId('select-website-crawl'))
 
-      // Assert
       expect(mockDataSourceStoreState.setWebsitePages).toHaveBeenCalled()
     })
   })
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/preparation/actions/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/test-run/preparation/actions/__tests__/index.spec.tsx
similarity index 74%
rename from web/app/components/rag-pipeline/components/panel/test-run/preparation/actions/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/test-run/preparation/actions/__tests__/index.spec.tsx
index 6899e4ac46..95f24d3b10 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/preparation/actions/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/test-run/preparation/actions/__tests__/index.spec.tsx
@@ -1,49 +1,33 @@
 import { fireEvent, render, screen } from '@testing-library/react'
-import Actions from './index'
-
-// ============================================================================
-// Actions Component Tests
-// ============================================================================
+import Actions from '../index'
 
 describe('Actions', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
 
-      // Assert
       expect(screen.getByRole('button')).toBeInTheDocument()
     })
 
     it('should render button with translated text', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
 
-      // Assert - Translation mock returns key with namespace prefix
       expect(screen.getByText('datasetCreation.stepOne.button')).toBeInTheDocument()
     })
 
     it('should render with correct container structure', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { container } = render(<Actions handleNextStep={handleNextStep} />)
 
-      // Assert
       const wrapper = container.firstChild as HTMLElement
       expect(wrapper.className).toContain('flex')
       expect(wrapper.className).toContain('justify-end')
@@ -52,197 +36,143 @@ describe('Actions', () => {
     })
 
     it('should render span with px-0.5 class around text', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { container } = render(<Actions handleNextStep={handleNextStep} />)
 
-      // Assert
       const span = container.querySelector('span')
       expect(span).toBeInTheDocument()
       expect(span?.className).toContain('px-0.5')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should pass disabled=true to button when disabled prop is true', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions disabled={true} handleNextStep={handleNextStep} />)
 
-      // Assert
       expect(screen.getByRole('button')).toBeDisabled()
     })
 
     it('should pass disabled=false to button when disabled prop is false', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions disabled={false} handleNextStep={handleNextStep} />)
 
-      // Assert
       expect(screen.getByRole('button')).not.toBeDisabled()
     })
 
     it('should not disable button when disabled prop is undefined', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
 
-      // Assert
       expect(screen.getByRole('button')).not.toBeDisabled()
     })
 
     it('should handle disabled switching from true to false', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions disabled={true} handleNextStep={handleNextStep} />,
       )
 
-      // Assert - Initially disabled
       expect(screen.getByRole('button')).toBeDisabled()
 
-      // Act - Rerender with disabled=false
       rerender(<Actions disabled={false} handleNextStep={handleNextStep} />)
 
-      // Assert - Now enabled
       expect(screen.getByRole('button')).not.toBeDisabled()
     })
 
     it('should handle disabled switching from false to true', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions disabled={false} handleNextStep={handleNextStep} />,
       )
 
-      // Assert - Initially enabled
       expect(screen.getByRole('button')).not.toBeDisabled()
 
-      // Act - Rerender with disabled=true
       rerender(<Actions disabled={true} handleNextStep={handleNextStep} />)
 
-      // Assert - Now disabled
       expect(screen.getByRole('button')).toBeDisabled()
     })
 
     it('should handle undefined disabled becoming true', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions handleNextStep={handleNextStep} />,
       )
 
-      // Assert - Initially not disabled (undefined)
       expect(screen.getByRole('button')).not.toBeDisabled()
 
-      // Act - Rerender with disabled=true
       rerender(<Actions disabled={true} handleNextStep={handleNextStep} />)
 
-      // Assert - Now disabled
       expect(screen.getByRole('button')).toBeDisabled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call handleNextStep when button is clicked', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(handleNextStep).toHaveBeenCalledTimes(1)
     })
 
     it('should call handleNextStep exactly once per click', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(handleNextStep).toHaveBeenCalled()
       expect(handleNextStep.mock.calls).toHaveLength(1)
     })
 
     it('should call handleNextStep multiple times on multiple clicks', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
       const button = screen.getByRole('button')
       fireEvent.click(button)
       fireEvent.click(button)
       fireEvent.click(button)
 
-      // Assert
       expect(handleNextStep).toHaveBeenCalledTimes(3)
     })
 
     it('should not call handleNextStep when button is disabled and clicked', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions disabled={true} handleNextStep={handleNextStep} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert - Disabled button should not trigger onClick
       expect(handleNextStep).not.toHaveBeenCalled()
     })
 
     it('should handle rapid clicks when not disabled', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
       const button = screen.getByRole('button')
 
-      // Simulate rapid clicks
       for (let i = 0; i < 10; i++)
         fireEvent.click(button)
 
-      // Assert
       expect(handleNextStep).toHaveBeenCalledTimes(10)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should use the new handleNextStep when prop changes', () => {
-      // Arrange
       const handleNextStep1 = vi.fn()
       const handleNextStep2 = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions handleNextStep={handleNextStep1} />,
       )
@@ -251,16 +181,13 @@ describe('Actions', () => {
       rerender(<Actions handleNextStep={handleNextStep2} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(handleNextStep1).toHaveBeenCalledTimes(1)
       expect(handleNextStep2).toHaveBeenCalledTimes(1)
     })
 
     it('should maintain functionality after rerender with same props', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions handleNextStep={handleNextStep} />,
       )
@@ -269,17 +196,14 @@ describe('Actions', () => {
       rerender(<Actions handleNextStep={handleNextStep} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(handleNextStep).toHaveBeenCalledTimes(2)
     })
 
     it('should work correctly when handleNextStep changes multiple times', () => {
-      // Arrange
       const handleNextStep1 = vi.fn()
       const handleNextStep2 = vi.fn()
       const handleNextStep3 = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions handleNextStep={handleNextStep1} />,
       )
@@ -291,77 +215,58 @@ describe('Actions', () => {
       rerender(<Actions handleNextStep={handleNextStep3} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(handleNextStep1).toHaveBeenCalledTimes(1)
       expect(handleNextStep2).toHaveBeenCalledTimes(1)
       expect(handleNextStep3).toHaveBeenCalledTimes(1)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped with React.memo', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act - Verify component is memoized by checking display name pattern
       const { rerender } = render(
         <Actions handleNextStep={handleNextStep} />,
       )
 
-      // Rerender with same props should work without issues
       rerender(<Actions handleNextStep={handleNextStep} />)
 
-      // Assert - Component should render correctly after rerender
       expect(screen.getByRole('button')).toBeInTheDocument()
     })
 
     it('should not break when props remain the same across rerenders', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions disabled={false} handleNextStep={handleNextStep} />,
       )
 
-      // Multiple rerenders with same props
       for (let i = 0; i < 5; i++) {
         rerender(<Actions disabled={false} handleNextStep={handleNextStep} />)
       }
 
-      // Assert - Should still function correctly
       fireEvent.click(screen.getByRole('button'))
       expect(handleNextStep).toHaveBeenCalledTimes(1)
     })
 
     it('should update correctly when only disabled prop changes', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions disabled={false} handleNextStep={handleNextStep} />,
       )
 
-      // Assert - Initially not disabled
       expect(screen.getByRole('button')).not.toBeDisabled()
 
-      // Act - Change only disabled prop
       rerender(<Actions disabled={true} handleNextStep={handleNextStep} />)
 
-      // Assert - Should reflect the new disabled state
       expect(screen.getByRole('button')).toBeDisabled()
     })
 
     it('should update correctly when only handleNextStep prop changes', () => {
-      // Arrange
       const handleNextStep1 = vi.fn()
       const handleNextStep2 = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions disabled={false} handleNextStep={handleNextStep1} />,
       )
@@ -369,169 +274,124 @@ describe('Actions', () => {
       fireEvent.click(screen.getByRole('button'))
       expect(handleNextStep1).toHaveBeenCalledTimes(1)
 
-      // Act - Change only handleNextStep prop
       rerender(<Actions disabled={false} handleNextStep={handleNextStep2} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert - New callback should be used
       expect(handleNextStep1).toHaveBeenCalledTimes(1)
       expect(handleNextStep2).toHaveBeenCalledTimes(1)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should call handleNextStep even if it has side effects', () => {
-      // Arrange
       let sideEffectValue = 0
       const handleNextStep = vi.fn(() => {
         sideEffectValue = 42
       })
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(handleNextStep).toHaveBeenCalledTimes(1)
       expect(sideEffectValue).toBe(42)
     })
 
     it('should handle handleNextStep that returns a value', () => {
-      // Arrange
       const handleNextStep = vi.fn(() => 'return value')
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(handleNextStep).toHaveBeenCalledTimes(1)
       expect(handleNextStep).toHaveReturnedWith('return value')
     })
 
     it('should handle handleNextStep that is async', async () => {
-      // Arrange
       const handleNextStep = vi.fn().mockResolvedValue(undefined)
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(handleNextStep).toHaveBeenCalledTimes(1)
     })
 
     it('should render correctly with both disabled=true and handleNextStep', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions disabled={true} handleNextStep={handleNextStep} />)
 
-      // Assert
       const button = screen.getByRole('button')
       expect(button).toBeDisabled()
     })
 
     it('should handle component unmount gracefully', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { unmount } = render(<Actions handleNextStep={handleNextStep} />)
 
-      // Assert - Unmount should not throw
       expect(() => unmount()).not.toThrow()
     })
 
     it('should handle disabled as boolean-like falsy value', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act - Test with explicit false
       render(<Actions disabled={false} handleNextStep={handleNextStep} />)
 
-      // Assert
       expect(screen.getByRole('button')).not.toBeDisabled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Accessibility Tests
-  // -------------------------------------------------------------------------
   describe('Accessibility', () => {
     it('should have button element that can receive focus', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions handleNextStep={handleNextStep} />)
       const button = screen.getByRole('button')
 
-      // Assert - Button should be focusable (not disabled by default)
       expect(button).not.toBeDisabled()
     })
 
     it('should indicate disabled state correctly', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       render(<Actions disabled={true} handleNextStep={handleNextStep} />)
 
-      // Assert
       expect(screen.getByRole('button')).toHaveAttribute('disabled')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Integration Tests
-  // -------------------------------------------------------------------------
   describe('Integration', () => {
     it('should work in a typical workflow: enable -> click -> disable', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act - Start enabled
       const { rerender } = render(
         <Actions disabled={false} handleNextStep={handleNextStep} />,
       )
 
-      // Assert - Can click when enabled
       expect(screen.getByRole('button')).not.toBeDisabled()
       fireEvent.click(screen.getByRole('button'))
       expect(handleNextStep).toHaveBeenCalledTimes(1)
 
-      // Act - Disable after click (simulating loading state)
       rerender(<Actions disabled={true} handleNextStep={handleNextStep} />)
 
-      // Assert - Cannot click when disabled
       expect(screen.getByRole('button')).toBeDisabled()
       fireEvent.click(screen.getByRole('button'))
       expect(handleNextStep).toHaveBeenCalledTimes(1) // Still 1, not 2
 
-      // Act - Re-enable
       rerender(<Actions disabled={false} handleNextStep={handleNextStep} />)
 
-      // Assert - Can click again
       expect(screen.getByRole('button')).not.toBeDisabled()
       fireEvent.click(screen.getByRole('button'))
       expect(handleNextStep).toHaveBeenCalledTimes(2)
     })
 
     it('should maintain consistent rendering across multiple state changes', () => {
-      // Arrange
       const handleNextStep = vi.fn()
 
-      // Act
       const { rerender } = render(
         <Actions disabled={false} handleNextStep={handleNextStep} />,
       )
 
-      // Toggle disabled state multiple times
       const states = [true, false, true, false, true]
       states.forEach((disabled) => {
         rerender(<Actions disabled={disabled} handleNextStep={handleNextStep} />)
@@ -541,7 +401,6 @@ describe('Actions', () => {
           expect(screen.getByRole('button')).not.toBeDisabled()
       })
 
-      // Assert - Button should still render correctly
       expect(screen.getByRole('button')).toBeInTheDocument()
       expect(screen.getByText('datasetCreation.stepOne.button')).toBeInTheDocument()
     })
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/preparation/data-source-options/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/test-run/preparation/data-source-options/__tests__/index.spec.tsx
similarity index 80%
rename from web/app/components/rag-pipeline/components/panel/test-run/preparation/data-source-options/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/test-run/preparation/data-source-options/__tests__/index.spec.tsx
index a5e23d21a2..b159455cb6 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/preparation/data-source-options/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/test-run/preparation/data-source-options/__tests__/index.spec.tsx
@@ -1,28 +1,21 @@
-import type { DataSourceOption } from '../../types'
+import type { DataSourceOption } from '../../../types'
 import type { DataSourceNodeType } from '@/app/components/workflow/nodes/data-source/types'
 import { fireEvent, render, screen, waitFor } from '@testing-library/react'
 import * as React from 'react'
-import DataSourceOptions from './index'
-import OptionCard from './option-card'
+import DataSourceOptions from '../index'
+import OptionCard from '../option-card'
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Track mock options for useDatasourceOptions hook
 let mockDatasourceOptions: DataSourceOption[] = []
 
-vi.mock('../hooks', () => ({
+vi.mock('../../hooks', () => ({
   useDatasourceOptions: () => mockDatasourceOptions,
 }))
 
-// Mock useToolIcon hook
 const mockToolIcon = { type: 'icon', icon: 'test-icon' }
 vi.mock('@/app/components/workflow/hooks', () => ({
   useToolIcon: () => mockToolIcon,
 }))
 
-// Mock BlockIcon component
 vi.mock('@/app/components/workflow/block-icon', () => ({
   default: ({ type, toolIcon }: { type: string, toolIcon: unknown }) => (
     <div data-testid="block-icon" data-type={type} data-tool-icon={JSON.stringify(toolIcon)}>
@@ -31,10 +24,6 @@ vi.mock('@/app/components/workflow/block-icon', () => ({
   ),
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 const createNodeData = (overrides?: Partial<DataSourceNodeType>): DataSourceNodeType => ({
   title: 'Test Node',
   desc: 'Test description',
@@ -55,24 +44,15 @@ const createDataSourceOption = (overrides?: Partial<DataSourceOption>): DataSour
   ...overrides,
 })
 
-// ============================================================================
-// OptionCard Component Tests
-// ============================================================================
-
 describe('OptionCard', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render option card without crashing', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       render(
         <OptionCard
           label="Test Label"
@@ -82,15 +62,12 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Test Label')).toBeInTheDocument()
     })
 
     it('should render label text', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       render(
         <OptionCard
           label="My Data Source"
@@ -100,15 +77,12 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('My Data Source')).toBeInTheDocument()
     })
 
     it('should render BlockIcon component', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       render(
         <OptionCard
           label="Test"
@@ -118,15 +92,12 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('block-icon')).toBeInTheDocument()
     })
 
     it('should pass correct type to BlockIcon', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       render(
         <OptionCard
           label="Test"
@@ -136,17 +107,13 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       const blockIcon = screen.getByTestId('block-icon')
-      // BlockEnum.DataSource value is 'datasource'
       expect(blockIcon).toHaveAttribute('data-type', 'datasource')
     })
 
     it('should set title attribute on label element', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       render(
         <OptionCard
           label="Long Label Text"
@@ -156,20 +123,14 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTitle('Long Label Text')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should apply selected styles when selected is true', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       const { container } = render(
         <OptionCard
           label="Test"
@@ -179,17 +140,14 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       const card = container.firstChild as HTMLElement
       expect(card.className).toContain('border-components-option-card-option-selected-border')
       expect(card.className).toContain('bg-components-option-card-option-selected-bg')
     })
 
     it('should apply unselected styles when selected is false', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       const { container } = render(
         <OptionCard
           label="Test"
@@ -199,16 +157,13 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       const card = container.firstChild as HTMLElement
       expect(card.className).not.toContain('border-components-option-card-option-selected-border')
     })
 
     it('should apply text-text-primary to label when selected', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       render(
         <OptionCard
           label="Test Label"
@@ -218,16 +173,13 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       const label = screen.getByText('Test Label')
       expect(label.className).toContain('text-text-primary')
     })
 
     it('should apply text-text-secondary to label when not selected', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       render(
         <OptionCard
           label="Test Label"
@@ -237,16 +189,13 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       const label = screen.getByText('Test Label')
       expect(label.className).toContain('text-text-secondary')
     })
 
     it('should handle undefined onClick prop', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       const { container } = render(
         <OptionCard
           label="Test"
@@ -257,19 +206,16 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert - should not throw when clicking
       const card = container.firstChild as HTMLElement
       expect(() => fireEvent.click(card)).not.toThrow()
     })
 
     it('should handle different node data types', () => {
-      // Arrange
       const nodeData = createNodeData({
         title: 'Website Crawler',
         provider_type: 'website_crawl',
       })
 
-      // Act
       render(
         <OptionCard
           label="Website Crawler"
@@ -279,21 +225,15 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Website Crawler')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onClick with value when card is clicked', () => {
-      // Arrange
       const onClick = vi.fn()
       const nodeData = createNodeData()
 
-      // Act
       const { container } = render(
         <OptionCard
           label="Test"
@@ -305,17 +245,14 @@ describe('OptionCard', () => {
       )
       fireEvent.click(container.firstChild as HTMLElement)
 
-      // Assert
       expect(onClick).toHaveBeenCalledTimes(1)
       expect(onClick).toHaveBeenCalledWith('test-value')
     })
 
     it('should call onClick with correct value for different cards', () => {
-      // Arrange
       const onClick = vi.fn()
       const nodeData = createNodeData()
 
-      // Act
       const { container: container1 } = render(
         <OptionCard
           label="Card 1"
@@ -338,18 +275,15 @@ describe('OptionCard', () => {
       )
       fireEvent.click(container2.firstChild as HTMLElement)
 
-      // Assert
       expect(onClick).toHaveBeenCalledTimes(2)
       expect(onClick).toHaveBeenNthCalledWith(1, 'value-1')
       expect(onClick).toHaveBeenNthCalledWith(2, 'value-2')
     })
 
     it('should handle rapid clicks', () => {
-      // Arrange
       const onClick = vi.fn()
       const nodeData = createNodeData()
 
-      // Act
       const { container } = render(
         <OptionCard
           label="Test"
@@ -364,16 +298,13 @@ describe('OptionCard', () => {
       fireEvent.click(card)
       fireEvent.click(card)
 
-      // Assert
       expect(onClick).toHaveBeenCalledTimes(3)
     })
 
     it('should call onClick with empty string value', () => {
-      // Arrange
       const onClick = vi.fn()
       const nodeData = createNodeData()
 
-      // Act
       const { container } = render(
         <OptionCard
           label="Test"
@@ -385,21 +316,15 @@ describe('OptionCard', () => {
       )
       fireEvent.click(container.firstChild as HTMLElement)
 
-      // Assert
       expect(onClick).toHaveBeenCalledWith('')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should maintain stable handleClickCard callback when props dont change', () => {
-      // Arrange
       const onClick = vi.fn()
       const nodeData = createNodeData()
 
-      // Act
       const { rerender, container } = render(
         <OptionCard
           label="Test"
@@ -422,18 +347,15 @@ describe('OptionCard', () => {
       )
       fireEvent.click(container.firstChild as HTMLElement)
 
-      // Assert
       expect(onClick).toHaveBeenCalledTimes(2)
       expect(onClick).toHaveBeenNthCalledWith(1, 'test-value')
       expect(onClick).toHaveBeenNthCalledWith(2, 'test-value')
     })
 
     it('should update handleClickCard when value changes', () => {
-      // Arrange
       const onClick = vi.fn()
       const nodeData = createNodeData()
 
-      // Act
       const { rerender, container } = render(
         <OptionCard
           label="Test"
@@ -456,18 +378,15 @@ describe('OptionCard', () => {
       )
       fireEvent.click(container.firstChild as HTMLElement)
 
-      // Assert
       expect(onClick).toHaveBeenNthCalledWith(1, 'old-value')
       expect(onClick).toHaveBeenNthCalledWith(2, 'new-value')
     })
 
     it('should update handleClickCard when onClick changes', () => {
-      // Arrange
       const onClick1 = vi.fn()
       const onClick2 = vi.fn()
       const nodeData = createNodeData()
 
-      // Act
       const { rerender, container } = render(
         <OptionCard
           label="Test"
@@ -490,22 +409,16 @@ describe('OptionCard', () => {
       )
       fireEvent.click(container.firstChild as HTMLElement)
 
-      // Assert
       expect(onClick1).toHaveBeenCalledTimes(1)
       expect(onClick2).toHaveBeenCalledTimes(1)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be memoized (React.memo)', () => {
-      // Arrange
       const onClick = vi.fn()
       const nodeData = createNodeData()
 
-      // Act
       const { rerender } = render(
         <OptionCard
           label="Test"
@@ -516,7 +429,6 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Rerender with same props
       rerender(
         <OptionCard
           label="Test"
@@ -527,15 +439,12 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert - Component should render without issues
       expect(screen.getByText('Test')).toBeInTheDocument()
     })
 
     it('should re-render when selected prop changes', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       const { rerender, container } = render(
         <OptionCard
           label="Test"
@@ -557,21 +466,15 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert - Component should update styles
       card = container.firstChild as HTMLElement
       expect(card.className).toContain('border-components-option-card-option-selected-border')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle empty label', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       render(
         <OptionCard
           label=""
@@ -581,16 +484,13 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert - Should render without crashing
       expect(screen.getByTestId('block-icon')).toBeInTheDocument()
     })
 
     it('should handle very long label', () => {
-      // Arrange
       const nodeData = createNodeData()
       const longLabel = 'A'.repeat(200)
 
-      // Act
       render(
         <OptionCard
           label={longLabel}
@@ -600,17 +500,14 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(longLabel)).toBeInTheDocument()
       expect(screen.getByTitle(longLabel)).toBeInTheDocument()
     })
 
     it('should handle special characters in label', () => {
-      // Arrange
       const nodeData = createNodeData()
       const specialLabel = '<Test> & \'Label\' "Special"'
 
-      // Act
       render(
         <OptionCard
           label={specialLabel}
@@ -620,15 +517,12 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(specialLabel)).toBeInTheDocument()
     })
 
     it('should handle unicode characters in label', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       render(
         <OptionCard
           label="数据源 🎉 データソース"
@@ -638,16 +532,13 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('数据源 🎉 データソース')).toBeInTheDocument()
     })
 
     it('should handle empty value', () => {
-      // Arrange
       const onClick = vi.fn()
       const nodeData = createNodeData()
 
-      // Act
       const { container } = render(
         <OptionCard
           label="Test"
@@ -659,17 +550,14 @@ describe('OptionCard', () => {
       )
       fireEvent.click(container.firstChild as HTMLElement)
 
-      // Assert
       expect(onClick).toHaveBeenCalledWith('')
     })
 
     it('should handle special characters in value', () => {
-      // Arrange
       const onClick = vi.fn()
       const nodeData = createNodeData()
       const specialValue = 'test-value_123/abc:xyz'
 
-      // Act
       const { container } = render(
         <OptionCard
           label="Test"
@@ -681,15 +569,12 @@ describe('OptionCard', () => {
       )
       fireEvent.click(container.firstChild as HTMLElement)
 
-      // Assert
       expect(onClick).toHaveBeenCalledWith(specialValue)
     })
 
     it('should handle nodeData with minimal properties', () => {
-      // Arrange
       const minimalNodeData = { title: 'Minimal' } as unknown as DataSourceNodeType
 
-      // Act
       render(
         <OptionCard
           label="Minimal"
@@ -699,20 +584,14 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Minimal')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Accessibility Tests
-  // -------------------------------------------------------------------------
   describe('Accessibility', () => {
     it('should have cursor-pointer class for clickability indication', () => {
-      // Arrange
       const nodeData = createNodeData()
 
-      // Act
       const { container } = render(
         <OptionCard
           label="Test"
@@ -722,17 +601,14 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       const card = container.firstChild as HTMLElement
       expect(card.className).toContain('cursor-pointer')
     })
 
     it('should provide title attribute for label tooltip', () => {
-      // Arrange
       const nodeData = createNodeData()
       const label = 'This is a very long label that might get truncated'
 
-      // Act
       render(
         <OptionCard
           label={label}
@@ -742,31 +618,21 @@ describe('OptionCard', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTitle(label)).toBeInTheDocument()
     })
   })
 })
 
-// ============================================================================
-// DataSourceOptions Component Tests
-// ============================================================================
-
 describe('DataSourceOptions', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     mockDatasourceOptions = []
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render container without crashing', () => {
-      // Arrange
       mockDatasourceOptions = []
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -774,19 +640,16 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       expect(container.querySelector('.grid')).toBeInTheDocument()
     })
 
     it('should render OptionCard for each option', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option 1', value: 'opt-1' }),
         createDataSourceOption({ label: 'Option 2', value: 'opt-2' }),
         createDataSourceOption({ label: 'Option 3', value: 'opt-3' }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -794,17 +657,14 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Option 1')).toBeInTheDocument()
       expect(screen.getByText('Option 2')).toBeInTheDocument()
       expect(screen.getByText('Option 3')).toBeInTheDocument()
     })
 
     it('should render empty grid when no options', () => {
-      // Arrange
       mockDatasourceOptions = []
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -812,17 +672,14 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       const grid = container.querySelector('.grid')
       expect(grid).toBeInTheDocument()
       expect(grid?.children.length).toBe(0)
     })
 
     it('should apply correct grid layout classes', () => {
-      // Arrange
       mockDatasourceOptions = [createDataSourceOption()]
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -830,7 +687,6 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       const grid = container.querySelector('.grid')
       expect(grid?.className).toContain('grid-cols-4')
       expect(grid?.className).toContain('gap-1')
@@ -838,13 +694,11 @@ describe('DataSourceOptions', () => {
     })
 
     it('should render correct number of option cards', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'A', value: 'a' }),
         createDataSourceOption({ label: 'B', value: 'b' }),
       ]
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId="a"
@@ -852,24 +706,18 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       const cards = container.querySelectorAll('.flex.cursor-pointer')
       expect(cards.length).toBe(2)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should mark correct option as selected based on dataSourceNodeId', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option 1', value: 'opt-1' }),
         createDataSourceOption({ label: 'Option 2', value: 'opt-2' }),
       ]
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId="opt-1"
@@ -877,20 +725,17 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert - First option should have selected styles
       const cards = container.querySelectorAll('.flex.cursor-pointer')
       expect(cards[0].className).toContain('border-components-option-card-option-selected-border')
       expect(cards[1].className).not.toContain('border-components-option-card-option-selected-border')
     })
 
     it('should mark second option as selected when matching', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option 1', value: 'opt-1' }),
         createDataSourceOption({ label: 'Option 2', value: 'opt-2' }),
       ]
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId="opt-2"
@@ -898,20 +743,17 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       const cards = container.querySelectorAll('.flex.cursor-pointer')
       expect(cards[0].className).not.toContain('border-components-option-card-option-selected-border')
       expect(cards[1].className).toContain('border-components-option-card-option-selected-border')
     })
 
     it('should mark none as selected when dataSourceNodeId does not match', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option 1', value: 'opt-1' }),
         createDataSourceOption({ label: 'Option 2', value: 'opt-2' }),
       ]
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId="non-existent"
@@ -919,7 +761,6 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert - No option should have selected styles
       const cards = container.querySelectorAll('.flex.cursor-pointer')
       cards.forEach((card) => {
         expect(card.className).not.toContain('border-components-option-card-option-selected-border')
@@ -927,10 +768,8 @@ describe('DataSourceOptions', () => {
     })
 
     it('should handle empty dataSourceNodeId', () => {
-      // Arrange
       mockDatasourceOptions = [createDataSourceOption()]
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -938,17 +777,12 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       expect(container.querySelector('.grid')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onSelect with datasource when option is clicked', () => {
-      // Arrange
       const onSelect = vi.fn()
       const optionData = createNodeData({ title: 'Test Source' })
       mockDatasourceOptions = [
@@ -959,7 +793,6 @@ describe('DataSourceOptions', () => {
         }),
       ]
 
-      // Act - Use a dataSourceNodeId to prevent auto-select on mount
       render(
         <DataSourceOptions
           dataSourceNodeId="test-id"
@@ -968,7 +801,6 @@ describe('DataSourceOptions', () => {
       )
       fireEvent.click(screen.getByText('Test Option'))
 
-      // Assert
       expect(onSelect).toHaveBeenCalledTimes(1)
       expect(onSelect).toHaveBeenCalledWith({
         nodeId: 'test-id',
@@ -977,7 +809,6 @@ describe('DataSourceOptions', () => {
     })
 
     it('should call onSelect with correct option when different options are clicked', () => {
-      // Arrange
       const onSelect = vi.fn()
       const data1 = createNodeData({ title: 'Source 1' })
       const data2 = createNodeData({ title: 'Source 2' })
@@ -986,7 +817,6 @@ describe('DataSourceOptions', () => {
         createDataSourceOption({ label: 'Option 2', value: 'id-2', data: data2 }),
       ]
 
-      // Act - Use a dataSourceNodeId to prevent auto-select on mount
       render(
         <DataSourceOptions
           dataSourceNodeId="id-1"
@@ -996,18 +826,15 @@ describe('DataSourceOptions', () => {
       fireEvent.click(screen.getByText('Option 1'))
       fireEvent.click(screen.getByText('Option 2'))
 
-      // Assert
       expect(onSelect).toHaveBeenCalledTimes(2)
       expect(onSelect).toHaveBeenNthCalledWith(1, { nodeId: 'id-1', nodeData: data1 })
       expect(onSelect).toHaveBeenNthCalledWith(2, { nodeId: 'id-2', nodeData: data2 })
     })
 
     it('should not call onSelect when option value not found', () => {
-      // Arrange - This tests the early return in handleSelect
       const onSelect = vi.fn()
       mockDatasourceOptions = []
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1015,19 +842,16 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert - Since there are no options, onSelect should not be called
       expect(onSelect).not.toHaveBeenCalled()
     })
 
     it('should handle clicking same option multiple times', () => {
-      // Arrange
       const onSelect = vi.fn()
       const optionData = createNodeData()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option', value: 'opt-id', data: optionData }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId="opt-id"
@@ -1038,17 +862,12 @@ describe('DataSourceOptions', () => {
       fireEvent.click(screen.getByText('Option'))
       fireEvent.click(screen.getByText('Option'))
 
-      // Assert
       expect(onSelect).toHaveBeenCalledTimes(3)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Side Effects and Cleanup Tests
-  // -------------------------------------------------------------------------
   describe('Side Effects and Cleanup', () => {
     it('should auto-select first option on mount when dataSourceNodeId is empty', async () => {
-      // Arrange
       const onSelect = vi.fn()
       const firstOptionData = createNodeData({ title: 'First' })
       mockDatasourceOptions = [
@@ -1056,7 +875,6 @@ describe('DataSourceOptions', () => {
         createDataSourceOption({ label: 'Second', value: 'second-id' }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1064,7 +882,6 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert - First option should be auto-selected on mount
       await waitFor(() => {
         expect(onSelect).toHaveBeenCalledWith({
           nodeId: 'first-id',
@@ -1074,14 +891,12 @@ describe('DataSourceOptions', () => {
     })
 
     it('should not auto-select when dataSourceNodeId is provided', async () => {
-      // Arrange
       const onSelect = vi.fn()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'First', value: 'first-id' }),
         createDataSourceOption({ label: 'Second', value: 'second-id' }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId="second-id"
@@ -1089,18 +904,15 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert - onSelect should not be called since dataSourceNodeId is already set
       await waitFor(() => {
         expect(onSelect).not.toHaveBeenCalled()
       })
     })
 
     it('should not auto-select when options array is empty', async () => {
-      // Arrange
       const onSelect = vi.fn()
       mockDatasourceOptions = []
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1108,20 +920,17 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       await waitFor(() => {
         expect(onSelect).not.toHaveBeenCalled()
       })
     })
 
     it('should run effect only once on mount', async () => {
-      // Arrange
       const onSelect = vi.fn()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'First', value: 'first-id' }),
       ]
 
-      // Act
       const { rerender } = render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1129,7 +938,6 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Rerender multiple times
       rerender(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1143,21 +951,18 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert - Effect should only run once (on mount)
       await waitFor(() => {
         expect(onSelect).toHaveBeenCalledTimes(1)
       })
     })
 
     it('should not re-run effect on rerender with different props', async () => {
-      // Arrange
       const onSelect1 = vi.fn()
       const onSelect2 = vi.fn()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'First', value: 'first-id' }),
       ]
 
-      // Act
       const { rerender } = render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1176,18 +981,15 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert - onSelect2 should not be called from effect
       expect(onSelect2).not.toHaveBeenCalled()
     })
 
     it('should handle unmount cleanly', () => {
-      // Arrange
       const onSelect = vi.fn()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Test', value: 'test-id' }),
       ]
 
-      // Act
       const { unmount } = render(
         <DataSourceOptions
           dataSourceNodeId="test-id"
@@ -1195,24 +997,18 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert - Should unmount without errors
       expect(() => unmount()).not.toThrow()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability', () => {
     it('should maintain stable handleSelect callback', () => {
-      // Arrange
       const onSelect = vi.fn()
       const optionData = createNodeData()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option', value: 'opt-id', data: optionData }),
       ]
 
-      // Act
       const { rerender } = render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1229,19 +1025,16 @@ describe('DataSourceOptions', () => {
       )
       fireEvent.click(screen.getByText('Option'))
 
-      // Assert
       expect(onSelect).toHaveBeenCalledTimes(3) // 1 auto-select + 2 clicks
     })
 
     it('should update handleSelect when onSelect prop changes', () => {
-      // Arrange
       const onSelect1 = vi.fn()
       const onSelect2 = vi.fn()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option', value: 'opt-id' }),
       ]
 
-      // Act
       const { rerender } = render(
         <DataSourceOptions
           dataSourceNodeId="opt-id"
@@ -1258,13 +1051,11 @@ describe('DataSourceOptions', () => {
       )
       fireEvent.click(screen.getByText('Option'))
 
-      // Assert
       expect(onSelect1).toHaveBeenCalledTimes(1)
       expect(onSelect2).toHaveBeenCalledTimes(1)
     })
 
     it('should update handleSelect when options change', () => {
-      // Arrange
       const onSelect = vi.fn()
       const data1 = createNodeData({ title: 'Data 1' })
       const data2 = createNodeData({ title: 'Data 2' })
@@ -1272,7 +1063,6 @@ describe('DataSourceOptions', () => {
         createDataSourceOption({ label: 'Option', value: 'opt-id', data: data1 }),
       ]
 
-      // Act
       const { rerender } = render(
         <DataSourceOptions
           dataSourceNodeId="opt-id"
@@ -1281,7 +1071,6 @@ describe('DataSourceOptions', () => {
       )
       fireEvent.click(screen.getByText('Option'))
 
-      // Update options with different data
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option', value: 'opt-id', data: data2 }),
       ]
@@ -1293,24 +1082,18 @@ describe('DataSourceOptions', () => {
       )
       fireEvent.click(screen.getByText('Option'))
 
-      // Assert
       expect(onSelect).toHaveBeenNthCalledWith(1, { nodeId: 'opt-id', nodeData: data1 })
       expect(onSelect).toHaveBeenNthCalledWith(2, { nodeId: 'opt-id', nodeData: data2 })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle single option', () => {
-      // Arrange
       const onSelect = vi.fn()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Only Option', value: 'only-id' }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId="only-id"
@@ -1318,16 +1101,13 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Only Option')).toBeInTheDocument()
     })
 
     it('should handle many options', () => {
-      // Arrange
       mockDatasourceOptions = Array.from({ length: 20 }, (_, i) =>
         createDataSourceOption({ label: `Option ${i}`, value: `opt-${i}` }))
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1335,13 +1115,11 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('Option 0')).toBeInTheDocument()
       expect(screen.getByText('Option 19')).toBeInTheDocument()
     })
 
     it('should handle options with duplicate labels but different values', () => {
-      // Arrange
       const onSelect = vi.fn()
       const data1 = createNodeData({ title: 'Source 1' })
       const data2 = createNodeData({ title: 'Source 2' })
@@ -1350,7 +1128,6 @@ describe('DataSourceOptions', () => {
         createDataSourceOption({ label: 'Same Label', value: 'id-2', data: data2 }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1360,12 +1137,10 @@ describe('DataSourceOptions', () => {
       const labels = screen.getAllByText('Same Label')
       fireEvent.click(labels[1]) // Click second one
 
-      // Assert
       expect(onSelect).toHaveBeenLastCalledWith({ nodeId: 'id-2', nodeData: data2 })
     })
 
     it('should handle special characters in option values', () => {
-      // Arrange
       const onSelect = vi.fn()
       const specialData = createNodeData()
       mockDatasourceOptions = [
@@ -1376,7 +1151,6 @@ describe('DataSourceOptions', () => {
         }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1385,7 +1159,6 @@ describe('DataSourceOptions', () => {
       )
       fireEvent.click(screen.getByText('Special'))
 
-      // Assert
       expect(onSelect).toHaveBeenCalledWith({
         nodeId: 'special-chars_123-abc',
         nodeData: specialData,
@@ -1393,13 +1166,9 @@ describe('DataSourceOptions', () => {
     })
 
     it('should handle click on non-existent option value gracefully', () => {
-      // Arrange - Test the early return in handleSelect when selectedOption is not found
-      // This is a bit tricky to test directly since options are rendered from the same array
-      // We'll test by verifying the component doesn't crash with empty options
       const onSelect = vi.fn()
       mockDatasourceOptions = []
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1407,19 +1176,16 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert - No options to click, but component should render
       expect(container.querySelector('.grid')).toBeInTheDocument()
     })
 
     it('should handle options with empty string values', () => {
-      // Arrange
       const onSelect = vi.fn()
       const emptyValueData = createNodeData()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Empty Value', value: '', data: emptyValueData }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1428,7 +1194,6 @@ describe('DataSourceOptions', () => {
       )
       fireEvent.click(screen.getByText('Empty Value'))
 
-      // Assert - Should call onSelect with empty string nodeId
       expect(onSelect).toHaveBeenCalledWith({
         nodeId: '',
         nodeData: emptyValueData,
@@ -1436,12 +1201,10 @@ describe('DataSourceOptions', () => {
     })
 
     it('should handle options with whitespace-only labels', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDataSourceOption({ label: '   ', value: 'whitespace' }),
       ]
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId="whitespace"
@@ -1449,25 +1212,19 @@ describe('DataSourceOptions', () => {
         />,
       )
 
-      // Assert
       const cards = container.querySelectorAll('.flex.cursor-pointer')
       expect(cards.length).toBe(1)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Error Handling Tests
-  // -------------------------------------------------------------------------
   describe('Error Handling', () => {
     it('should not crash when nodeData has unexpected shape', () => {
-      // Arrange
       const onSelect = vi.fn()
       const weirdNodeData = { unexpected: 'data' } as unknown as DataSourceNodeType
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Weird', value: 'weird-id', data: weirdNodeData }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId="weird-id"
@@ -1476,7 +1233,6 @@ describe('DataSourceOptions', () => {
       )
       fireEvent.click(screen.getByText('Weird'))
 
-      // Assert
       expect(onSelect).toHaveBeenCalledWith({
         nodeId: 'weird-id',
         nodeData: weirdNodeData,
@@ -1485,22 +1241,14 @@ describe('DataSourceOptions', () => {
   })
 })
 
-// ============================================================================
-// Integration Tests
-// ============================================================================
-
 describe('DataSourceOptions Integration', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     mockDatasourceOptions = []
   })
 
-  // -------------------------------------------------------------------------
-  // Full Flow Tests
-  // -------------------------------------------------------------------------
   describe('Full Flow', () => {
     it('should complete full selection flow: render -> auto-select -> manual select', async () => {
-      // Arrange
       const onSelect = vi.fn()
       const data1 = createNodeData({ title: 'Source 1' })
       const data2 = createNodeData({ title: 'Source 2' })
@@ -1509,7 +1257,6 @@ describe('DataSourceOptions Integration', () => {
         createDataSourceOption({ label: 'Option 2', value: 'id-2', data: data2 }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId=""
@@ -1517,20 +1264,16 @@ describe('DataSourceOptions Integration', () => {
         />,
       )
 
-      // Assert - Auto-select first option on mount
       await waitFor(() => {
         expect(onSelect).toHaveBeenCalledWith({ nodeId: 'id-1', nodeData: data1 })
       })
 
-      // Act - Manual select second option
       fireEvent.click(screen.getByText('Option 2'))
 
-      // Assert
       expect(onSelect).toHaveBeenLastCalledWith({ nodeId: 'id-2', nodeData: data2 })
     })
 
     it('should update selection state when clicking different options', () => {
-      // Arrange
       const onSelect = vi.fn()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option A', value: 'a' }),
@@ -1538,7 +1281,6 @@ describe('DataSourceOptions Integration', () => {
         createDataSourceOption({ label: 'Option C', value: 'c' }),
       ]
 
-      // Act - Start with Option B selected
       const { rerender, container } = render(
         <DataSourceOptions
           dataSourceNodeId="b"
@@ -1546,11 +1288,9 @@ describe('DataSourceOptions Integration', () => {
         />,
       )
 
-      // Assert - Option B should be selected
       let cards = container.querySelectorAll('.flex.cursor-pointer')
       expect(cards[1].className).toContain('border-components-option-card-option-selected-border')
 
-      // Act - Simulate selection change to Option C
       rerender(
         <DataSourceOptions
           dataSourceNodeId="c"
@@ -1558,14 +1298,12 @@ describe('DataSourceOptions Integration', () => {
         />,
       )
 
-      // Assert - Option C should now be selected
       cards = container.querySelectorAll('.flex.cursor-pointer')
       expect(cards[2].className).toContain('border-components-option-card-option-selected-border')
       expect(cards[1].className).not.toContain('border-components-option-card-option-selected-border')
     })
 
     it('should handle rapid option switching', async () => {
-      // Arrange
       const onSelect = vi.fn()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'A', value: 'a' }),
@@ -1573,7 +1311,6 @@ describe('DataSourceOptions Integration', () => {
         createDataSourceOption({ label: 'C', value: 'c' }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId="a"
@@ -1586,17 +1323,12 @@ describe('DataSourceOptions Integration', () => {
       fireEvent.click(screen.getByText('A'))
       fireEvent.click(screen.getByText('B'))
 
-      // Assert
       expect(onSelect).toHaveBeenCalledTimes(4)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Component Communication Tests
-  // -------------------------------------------------------------------------
   describe('Component Communication', () => {
     it('should pass correct props from DataSourceOptions to OptionCard', () => {
-      // Arrange
       mockDatasourceOptions = [
         createDataSourceOption({
           label: 'Test Label',
@@ -1605,7 +1337,6 @@ describe('DataSourceOptions Integration', () => {
         }),
       ]
 
-      // Act
       const { container } = render(
         <DataSourceOptions
           dataSourceNodeId="test-value"
@@ -1613,7 +1344,6 @@ describe('DataSourceOptions Integration', () => {
         />,
       )
 
-      // Assert - Verify OptionCard receives correct props through rendered output
       expect(screen.getByText('Test Label')).toBeInTheDocument()
       expect(screen.getByTestId('block-icon')).toBeInTheDocument()
       const card = container.querySelector('.flex.cursor-pointer')
@@ -1621,14 +1351,12 @@ describe('DataSourceOptions Integration', () => {
     })
 
     it('should propagate click events from OptionCard to DataSourceOptions', () => {
-      // Arrange
       const onSelect = vi.fn()
       const nodeData = createNodeData()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Click Me', value: 'click-id', data: nodeData }),
       ]
 
-      // Act
       render(
         <DataSourceOptions
           dataSourceNodeId="click-id"
@@ -1637,7 +1365,6 @@ describe('DataSourceOptions Integration', () => {
       )
       fireEvent.click(screen.getByText('Click Me'))
 
-      // Assert
       expect(onSelect).toHaveBeenCalledWith({
         nodeId: 'click-id',
         nodeData,
@@ -1645,19 +1372,14 @@ describe('DataSourceOptions Integration', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // State Consistency Tests
-  // -------------------------------------------------------------------------
   describe('State Consistency', () => {
     it('should maintain consistent selection across multiple renders', () => {
-      // Arrange
       const onSelect = vi.fn()
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'A', value: 'a' }),
         createDataSourceOption({ label: 'B', value: 'b' }),
       ]
 
-      // Act
       const { rerender, container } = render(
         <DataSourceOptions
           dataSourceNodeId="a"
@@ -1665,7 +1387,6 @@ describe('DataSourceOptions Integration', () => {
         />,
       )
 
-      // Multiple rerenders
       for (let i = 0; i < 5; i++) {
         rerender(
           <DataSourceOptions
@@ -1675,14 +1396,12 @@ describe('DataSourceOptions Integration', () => {
         )
       }
 
-      // Assert - Selection should remain consistent
       const cards = container.querySelectorAll('.flex.cursor-pointer')
       expect(cards[0].className).toContain('border-components-option-card-option-selected-border')
       expect(cards[1].className).not.toContain('border-components-option-card-option-selected-border')
     })
 
     it('should handle options array reference change with same content', () => {
-      // Arrange
       const onSelect = vi.fn()
       const nodeData = createNodeData()
 
@@ -1690,7 +1409,6 @@ describe('DataSourceOptions Integration', () => {
         createDataSourceOption({ label: 'Option', value: 'opt', data: nodeData }),
       ]
 
-      // Act
       const { rerender } = render(
         <DataSourceOptions
           dataSourceNodeId="opt"
@@ -1698,7 +1416,6 @@ describe('DataSourceOptions Integration', () => {
         />,
       )
 
-      // Create new array reference with same content
       mockDatasourceOptions = [
         createDataSourceOption({ label: 'Option', value: 'opt', data: nodeData }),
       ]
@@ -1712,7 +1429,6 @@ describe('DataSourceOptions Integration', () => {
 
       fireEvent.click(screen.getByText('Option'))
 
-      // Assert - Should still work correctly
       expect(onSelect).toHaveBeenCalledWith({
         nodeId: 'opt',
         nodeData,
@@ -1721,10 +1437,6 @@ describe('DataSourceOptions Integration', () => {
   })
 })
 
-// ============================================================================
-// handleSelect Early Return Branch Coverage
-// ============================================================================
-
 describe('handleSelect Early Return Coverage', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1732,9 +1444,6 @@ describe('handleSelect Early Return Coverage', () => {
   })
 
   it('should test early return when option not found by using modified mock during click', () => {
-    // Arrange - Test strategy: We need to trigger the early return when
-    // selectedOption is not found. Since the component renders cards from
-    // the options array, we need to modify the mock between render and click.
     const onSelect = vi.fn()
     const originalOptions = [
       createDataSourceOption({ label: 'Option A', value: 'a' }),
@@ -1742,7 +1451,6 @@ describe('handleSelect Early Return Coverage', () => {
     ]
     mockDatasourceOptions = originalOptions
 
-    // Act - Render the component
     const { rerender } = render(
       <DataSourceOptions
         dataSourceNodeId="a"
@@ -1750,12 +1458,6 @@ describe('handleSelect Early Return Coverage', () => {
       />,
     )
 
-    // Now we need to cause the handleSelect to not find the option.
-    // The callback is memoized with [onSelect, options], so if we change
-    // the options, the callback should be updated too.
-
-    // Let's create a scenario where the value doesn't match any option
-    // by rendering with options that have different values
     const newOptions = [
       createDataSourceOption({ label: 'Option A', value: 'x' }), // Changed from 'a' to 'x'
       createDataSourceOption({ label: 'Option B', value: 'y' }), // Changed from 'b' to 'y'
@@ -1769,11 +1471,8 @@ describe('handleSelect Early Return Coverage', () => {
       />,
     )
 
-    // Click on 'Option A' which now has value 'x', not 'a'
-    // Since we're selecting by text, this tests that the click works
     fireEvent.click(screen.getByText('Option A'))
 
-    // Assert - onSelect should be called with the new value 'x'
     expect(onSelect).toHaveBeenCalledWith({
       nodeId: 'x',
       nodeData: expect.any(Object),
@@ -1781,11 +1480,9 @@ describe('handleSelect Early Return Coverage', () => {
   })
 
   it('should handle empty options array gracefully', () => {
-    // Arrange - Edge case: empty options
     const onSelect = vi.fn()
     mockDatasourceOptions = []
 
-    // Act
     const { container } = render(
       <DataSourceOptions
         dataSourceNodeId=""
@@ -1793,13 +1490,11 @@ describe('handleSelect Early Return Coverage', () => {
       />,
     )
 
-    // Assert - No options to click, onSelect not called
     expect(container.querySelector('.grid')).toBeInTheDocument()
     expect(onSelect).not.toHaveBeenCalled()
   })
 
   it('should handle auto-select with mismatched first option', async () => {
-    // Arrange - Test auto-select behavior
     const onSelect = vi.fn()
     const firstOptionData = createNodeData({ title: 'First' })
     mockDatasourceOptions = [
@@ -1810,7 +1505,6 @@ describe('handleSelect Early Return Coverage', () => {
       }),
     ]
 
-    // Act - Empty dataSourceNodeId triggers auto-select
     render(
       <DataSourceOptions
         dataSourceNodeId=""
@@ -1818,7 +1512,6 @@ describe('handleSelect Early Return Coverage', () => {
       />,
     )
 
-    // Assert - First option auto-selected
     await waitFor(() => {
       expect(onSelect).toHaveBeenCalledWith({
         nodeId: 'first-value',
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/preparation/document-processing/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/test-run/preparation/document-processing/__tests__/index.spec.tsx
similarity index 85%
rename from web/app/components/rag-pipeline/components/panel/test-run/preparation/document-processing/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/test-run/preparation/document-processing/__tests__/index.spec.tsx
index f69347d038..341dfe2a51 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/preparation/document-processing/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/test-run/preparation/document-processing/__tests__/index.spec.tsx
@@ -8,15 +8,10 @@ import * as React from 'react'
 import { BaseFieldType } from '@/app/components/base/form/form-scenarios/base/types'
 import { WorkflowRunningStatus } from '@/app/components/workflow/types'
 import { PipelineInputVarType } from '@/models/pipeline'
-import Actions from './actions'
-import DocumentProcessing from './index'
-import Options from './options'
+import Actions from '../actions'
+import DocumentProcessing from '../index'
+import Options from '../options'
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock workflow store
 let mockPipelineId: string | null = 'test-pipeline-id'
 let mockWorkflowRunningData: { result: { status: string } } | undefined
 
@@ -35,7 +30,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   },
 }))
 
-// Mock useDraftPipelineProcessingParams
 let mockParamsConfig: PipelineProcessingParamsResponse | undefined
 let mockIsFetchingParams = false
 
@@ -46,7 +40,6 @@ vi.mock('@/service/use-pipeline', () => ({
   }),
 }))
 
-// Mock use-input-fields hooks
 const mockUseInitialData = vi.fn()
 const mockUseConfigurations = vi.fn()
 
@@ -55,14 +48,12 @@ vi.mock('@/app/components/rag-pipeline/hooks/use-input-fields', () => ({
   useConfigurations: (variables: RAGPipelineVariables) => mockUseConfigurations(variables),
 }))
 
-// Mock generateZodSchema
 const mockGenerateZodSchema = vi.fn()
 
 vi.mock('@/app/components/base/form/form-scenarios/base/utils', () => ({
   generateZodSchema: (configurations: BaseConfiguration[]) => mockGenerateZodSchema(configurations),
 }))
 
-// Mock Toast
 const mockToastNotify = vi.fn()
 
 vi.mock('@/app/components/base/toast', () => ({
@@ -71,7 +62,6 @@ vi.mock('@/app/components/base/toast', () => ({
   },
 }))
 
-// Mock useAppForm
 const mockHandleSubmit = vi.fn()
 const mockFormStore = {
   isSubmitting: false,
@@ -112,7 +102,6 @@ vi.mock('@/app/components/base/form', () => ({
   },
 }))
 
-// Mock BaseField
 vi.mock('@/app/components/base/form/form-scenarios/base/field', () => ({
   default: ({ config }: { initialData: Record<string, unknown>, config: BaseConfiguration }) => {
     return () => (
@@ -125,10 +114,6 @@ vi.mock('@/app/components/base/form/form-scenarios/base/field', () => ({
   },
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 const createRAGPipelineVariable = (overrides?: Partial<RAGPipelineVariable>): RAGPipelineVariable => ({
   belong_to_node_id: 'test-node',
   type: PipelineInputVarType.textInput,
@@ -163,10 +148,6 @@ const createMockSchema = (): ZodSchema => ({
   safeParse: vi.fn().mockReturnValue({ success: true }),
 }) as unknown as ZodSchema
 
-// ============================================================================
-// Helper Functions
-// ============================================================================
-
 const setupMocks = (options?: {
   pipelineId?: string | null
   paramsConfig?: PipelineProcessingParamsResponse
@@ -201,10 +182,6 @@ const renderWithQueryClient = (component: React.ReactElement) => {
   )
 }
 
-// ============================================================================
-// DocumentProcessing Component Tests
-// ============================================================================
-
 describe('DocumentProcessing', () => {
   const defaultProps = {
     dataSourceNodeId: 'datasource-node-1',
@@ -217,101 +194,75 @@ describe('DocumentProcessing', () => {
     setupMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', () => {
-      // Arrange
       setupMocks({
         configurations: [createBaseConfiguration()],
       })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
 
     it('should render Options component with form elements', () => {
-      // Arrange
       const configurations = [
         createBaseConfiguration({ variable: 'field1', label: 'Field 1' }),
         createBaseConfiguration({ variable: 'field2', label: 'Field 2' }),
       ]
       setupMocks({ configurations })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(screen.getByTestId('field-field1')).toBeInTheDocument()
       expect(screen.getByTestId('field-field2')).toBeInTheDocument()
     })
 
     it('should render no fields when configurations is empty', () => {
-      // Arrange
       setupMocks({ configurations: [] })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(screen.queryByTestId(/^field-/)).not.toBeInTheDocument()
     })
 
     it('should call useInitialData with variables from paramsConfig', () => {
-      // Arrange
       const variables = [createRAGPipelineVariable({ variable: 'var1' })]
       setupMocks({
         paramsConfig: { variables },
       })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(mockUseInitialData).toHaveBeenCalledWith(variables)
     })
 
     it('should call useConfigurations with variables from paramsConfig', () => {
-      // Arrange
       const variables = [createRAGPipelineVariable({ variable: 'var1' })]
       setupMocks({
         paramsConfig: { variables },
       })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(mockUseConfigurations).toHaveBeenCalledWith(variables)
     })
 
     it('should use empty array when paramsConfig.variables is undefined', () => {
-      // Arrange
       setupMocks({ paramsConfig: undefined })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(mockUseInitialData).toHaveBeenCalledWith([])
       expect(mockUseConfigurations).toHaveBeenCalledWith([])
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Testing
-  // -------------------------------------------------------------------------
   describe('Props Testing', () => {
     it('should pass dataSourceNodeId to useInputVariables hook', () => {
-      // Arrange
       const customNodeId = 'custom-datasource-node'
       setupMocks()
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing
           {...defaultProps}
@@ -319,16 +270,13 @@ describe('DocumentProcessing', () => {
         />,
       )
 
-      // Assert - verify hook is called (mocked, so we check component renders)
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
 
     it('should pass onProcess callback to Options component', () => {
-      // Arrange
       const mockOnProcess = vi.fn()
       setupMocks({ configurations: [] })
 
-      // Act
       const { container } = renderWithQueryClient(
         <DocumentProcessing
           {...defaultProps}
@@ -336,16 +284,13 @@ describe('DocumentProcessing', () => {
         />,
       )
 
-      // Assert - form should be rendered
       expect(container.querySelector('form')).toBeInTheDocument()
     })
 
     it('should pass onBack callback to Actions component', () => {
-      // Arrange
       const mockOnBack = vi.fn()
       setupMocks()
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing
           {...defaultProps}
@@ -353,37 +298,28 @@ describe('DocumentProcessing', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Callback Stability and Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Callback Stability and Memoization', () => {
     it('should memoize renderCustomActions callback', () => {
-      // Arrange
       setupMocks()
       const { rerender } = renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Act - rerender with same props
       rerender(
         <QueryClientProvider client={createQueryClient()}>
           <DocumentProcessing {...defaultProps} />
         </QueryClientProvider>,
       )
 
-      // Assert - component should render correctly without issues
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
 
     it('should update renderCustomActions when isFetchingParams changes', () => {
-      // Arrange
       setupMocks({ isFetchingParams: false })
       const { rerender } = renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Act
       setupMocks({ isFetchingParams: true })
       rerender(
         <QueryClientProvider client={createQueryClient()}>
@@ -391,12 +327,10 @@ describe('DocumentProcessing', () => {
         </QueryClientProvider>,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
 
     it('should update renderCustomActions when onBack changes', () => {
-      // Arrange
       const onBack1 = vi.fn()
       const onBack2 = vi.fn()
       setupMocks()
@@ -404,28 +338,21 @@ describe('DocumentProcessing', () => {
         <DocumentProcessing {...defaultProps} onBack={onBack1} />,
       )
 
-      // Act
       rerender(
         <QueryClientProvider client={createQueryClient()}>
           <DocumentProcessing {...defaultProps} onBack={onBack2} />
         </QueryClientProvider>,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interactions Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onBack when back button is clicked', () => {
-      // Arrange
       const mockOnBack = vi.fn()
       setupMocks()
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing
           {...defaultProps}
@@ -435,16 +362,13 @@ describe('DocumentProcessing', () => {
       const backButton = screen.getByText('datasetPipeline.operations.backToDataSource')
       fireEvent.click(backButton)
 
-      // Assert
       expect(mockOnBack).toHaveBeenCalledTimes(1)
     })
 
     it('should handle form submission', () => {
-      // Arrange
       const mockOnProcess = vi.fn()
       setupMocks()
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing
           {...defaultProps}
@@ -454,33 +378,25 @@ describe('DocumentProcessing', () => {
       const processButton = screen.getByText('datasetPipeline.operations.process')
       fireEvent.click(processButton)
 
-      // Assert
       expect(mockHandleSubmit).toHaveBeenCalled()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Component Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Component Memoization', () => {
     it('should be wrapped with React.memo', () => {
-      // Arrange
       setupMocks()
       const { rerender } = renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Act - rerender with same props
       rerender(
         <QueryClientProvider client={createQueryClient()}>
           <DocumentProcessing {...defaultProps} />
         </QueryClientProvider>,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
 
     it('should not break when re-rendering with different props', () => {
-      // Arrange
       const initialProps = {
         ...defaultProps,
         dataSourceNodeId: 'node-1',
@@ -488,7 +404,6 @@ describe('DocumentProcessing', () => {
       setupMocks()
       const { rerender } = renderWithQueryClient(<DocumentProcessing {...initialProps} />)
 
-      // Act
       const newProps = {
         ...defaultProps,
         dataSourceNodeId: 'node-2',
@@ -499,52 +414,38 @@ describe('DocumentProcessing', () => {
         </QueryClientProvider>,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle undefined paramsConfig', () => {
-      // Arrange
       setupMocks({ paramsConfig: undefined })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(mockUseInitialData).toHaveBeenCalledWith([])
       expect(mockUseConfigurations).toHaveBeenCalledWith([])
     })
 
     it('should handle paramsConfig with empty variables', () => {
-      // Arrange
       setupMocks({ paramsConfig: { variables: [] } })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(mockUseInitialData).toHaveBeenCalledWith([])
       expect(mockUseConfigurations).toHaveBeenCalledWith([])
     })
 
     it('should handle null pipelineId', () => {
-      // Arrange
       setupMocks({ pipelineId: null })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
 
     it('should handle large number of variables', () => {
-      // Arrange
       const variables = Array.from({ length: 50 }, (_, i) =>
         createRAGPipelineVariable({ variable: `var_${i}` }))
       const configurations = Array.from({ length: 50 }, (_, i) =>
@@ -554,18 +455,14 @@ describe('DocumentProcessing', () => {
         configurations,
       })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       expect(screen.getAllByTestId(/^field-var_/)).toHaveLength(50)
     })
 
     it('should handle special characters in node id', () => {
-      // Arrange
       setupMocks()
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing
           {...defaultProps}
@@ -573,46 +470,31 @@ describe('DocumentProcessing', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Loading State Tests
-  // -------------------------------------------------------------------------
   describe('Loading State', () => {
     it('should pass isFetchingParams to Actions component', () => {
-      // Arrange
       setupMocks({ isFetchingParams: true })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert - check that the process button is disabled when fetching
       const processButton = screen.getByText('datasetPipeline.operations.process')
       expect(processButton.closest('button')).toBeDisabled()
     })
 
     it('should enable process button when not fetching', () => {
-      // Arrange
       setupMocks({ isFetchingParams: false })
 
-      // Act
       renderWithQueryClient(<DocumentProcessing {...defaultProps} />)
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process')
       expect(processButton.closest('button')).not.toBeDisabled()
     })
   })
 })
 
-// ============================================================================
-// Actions Component Tests
-// ============================================================================
-
-// Helper to create mock form params for Actions tests
 const createMockFormParams = (overrides?: Partial<{
   handleSubmit: ReturnType<typeof vi.fn>
   isSubmitting: boolean
@@ -631,10 +513,8 @@ describe('Actions', () => {
 
   describe('Rendering', () => {
     it('should render back button', () => {
-      // Arrange
       const mockFormParams = createMockFormParams()
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -642,15 +522,12 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('datasetPipeline.operations.backToDataSource')).toBeInTheDocument()
     })
 
     it('should render process button', () => {
-      // Arrange
       const mockFormParams = createMockFormParams()
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -658,17 +535,14 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('datasetPipeline.operations.process')).toBeInTheDocument()
     })
   })
 
   describe('Button States', () => {
     it('should disable process button when runDisabled is true', () => {
-      // Arrange
       const mockFormParams = createMockFormParams()
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -677,16 +551,13 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).toBeDisabled()
     })
 
     it('should disable process button when isSubmitting is true', () => {
-      // Arrange
       const mockFormParams = createMockFormParams({ isSubmitting: true })
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -694,16 +565,13 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).toBeDisabled()
     })
 
     it('should disable process button when canSubmit is false', () => {
-      // Arrange
       const mockFormParams = createMockFormParams({ canSubmit: false })
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -711,19 +579,16 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).toBeDisabled()
     })
 
     it('should disable process button when workflow is running', () => {
-      // Arrange
       mockWorkflowRunningData = {
         result: { status: WorkflowRunningStatus.Running },
       }
       const mockFormParams = createMockFormParams()
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -731,19 +596,16 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).toBeDisabled()
     })
 
     it('should enable process button when all conditions are met', () => {
-      // Arrange
       mockWorkflowRunningData = {
         result: { status: WorkflowRunningStatus.Succeeded },
       }
       const mockFormParams = createMockFormParams()
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -752,7 +614,6 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).not.toBeDisabled()
     })
@@ -760,11 +621,9 @@ describe('Actions', () => {
 
   describe('User Interactions', () => {
     it('should call onBack when back button is clicked', () => {
-      // Arrange
       const mockOnBack = vi.fn()
       const mockFormParams = createMockFormParams()
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -774,16 +633,13 @@ describe('Actions', () => {
 
       fireEvent.click(screen.getByText('datasetPipeline.operations.backToDataSource'))
 
-      // Assert
       expect(mockOnBack).toHaveBeenCalledTimes(1)
     })
 
     it('should call form.handleSubmit when process button is clicked', () => {
-      // Arrange
       const mockSubmit = vi.fn()
       const mockFormParams = createMockFormParams({ handleSubmit: mockSubmit })
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -793,17 +649,14 @@ describe('Actions', () => {
 
       fireEvent.click(screen.getByText('datasetPipeline.operations.process'))
 
-      // Assert
       expect(mockSubmit).toHaveBeenCalledTimes(1)
     })
   })
 
   describe('Loading State', () => {
     it('should show loading state when isSubmitting', () => {
-      // Arrange
       const mockFormParams = createMockFormParams({ isSubmitting: true })
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -811,19 +664,16 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).toBeDisabled()
     })
 
     it('should show loading state when workflow is running', () => {
-      // Arrange
       mockWorkflowRunningData = {
         result: { status: WorkflowRunningStatus.Running },
       }
       const mockFormParams = createMockFormParams()
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -831,7 +681,6 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).toBeDisabled()
     })
@@ -839,10 +688,8 @@ describe('Actions', () => {
 
   describe('Edge Cases', () => {
     it('should handle undefined runDisabled prop', () => {
-      // Arrange
       const mockFormParams = createMockFormParams()
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -850,17 +697,14 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).not.toBeDisabled()
     })
 
     it('should handle undefined workflowRunningData', () => {
-      // Arrange
       mockWorkflowRunningData = undefined
       const mockFormParams = createMockFormParams()
 
-      // Act
       render(
         <Actions
           formParams={mockFormParams}
@@ -868,7 +712,6 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).not.toBeDisabled()
     })
@@ -876,7 +719,6 @@ describe('Actions', () => {
 
   describe('Component Memoization', () => {
     it('should be wrapped with React.memo', () => {
-      // Arrange
       const mockFormParams = createMockFormParams()
       const mockOnBack = vi.fn()
       const { rerender } = render(
@@ -886,7 +728,6 @@ describe('Actions', () => {
         />,
       )
 
-      // Act - rerender with same props
       rerender(
         <Actions
           formParams={mockFormParams}
@@ -894,16 +735,11 @@ describe('Actions', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('datasetPipeline.operations.backToDataSource')).toBeInTheDocument()
     })
   })
 })
 
-// ============================================================================
-// Options Component Tests
-// ============================================================================
-
 describe('Options', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -912,7 +748,6 @@ describe('Options', () => {
 
   describe('Rendering', () => {
     it('should render form element', () => {
-      // Arrange
       const props = {
         initialData: {},
         configurations: [],
@@ -921,15 +756,12 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
 
     it('should render fields based on configurations', () => {
-      // Arrange
       const configurations = [
         createBaseConfiguration({ variable: 'name', label: 'Name' }),
         createBaseConfiguration({ variable: 'email', label: 'Email' }),
@@ -942,16 +774,13 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       render(<Options {...props} />)
 
-      // Assert
       expect(screen.getByTestId('field-name')).toBeInTheDocument()
       expect(screen.getByTestId('field-email')).toBeInTheDocument()
     })
 
     it('should render CustomActions', () => {
-      // Arrange
       const props = {
         initialData: {},
         configurations: [],
@@ -962,15 +791,12 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       render(<Options {...props} />)
 
-      // Assert
       expect(screen.getByTestId('custom-action')).toBeInTheDocument()
     })
 
     it('should render with correct class name', () => {
-      // Arrange
       const props = {
         initialData: {},
         configurations: [],
@@ -979,10 +805,8 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
 
-      // Assert
       const form = container.querySelector('form')
       expect(form).toHaveClass('w-full')
     })
@@ -990,7 +814,6 @@ describe('Options', () => {
 
   describe('Form Submission', () => {
     it('should prevent default form submission', () => {
-      // Arrange
       const mockOnSubmit = vi.fn()
       const props = {
         initialData: {},
@@ -1000,7 +823,6 @@ describe('Options', () => {
         onSubmit: mockOnSubmit,
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
       const form = container.querySelector('form')!
       const submitEvent = new Event('submit', { bubbles: true, cancelable: true })
@@ -1008,12 +830,10 @@ describe('Options', () => {
 
       fireEvent(form, submitEvent)
 
-      // Assert
       expect(preventDefaultSpy).toHaveBeenCalled()
     })
 
     it('should stop propagation on form submit', () => {
-      // Arrange
       const mockOnSubmit = vi.fn()
       const props = {
         initialData: {},
@@ -1023,7 +843,6 @@ describe('Options', () => {
         onSubmit: mockOnSubmit,
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
       const form = container.querySelector('form')!
       const submitEvent = new Event('submit', { bubbles: true, cancelable: true })
@@ -1031,12 +850,10 @@ describe('Options', () => {
 
       fireEvent(form, submitEvent)
 
-      // Assert
       expect(stopPropagationSpy).toHaveBeenCalled()
     })
 
     it('should call onSubmit when validation passes', () => {
-      // Arrange
       const mockOnSubmit = vi.fn()
       const props = {
         initialData: {},
@@ -1046,17 +863,14 @@ describe('Options', () => {
         onSubmit: mockOnSubmit,
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
       const form = container.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert
       expect(mockOnSubmit).toHaveBeenCalled()
     })
 
     it('should not call onSubmit when validation fails', () => {
-      // Arrange
       const mockOnSubmit = vi.fn()
       const failingSchema = {
         safeParse: vi.fn().mockReturnValue({
@@ -1076,17 +890,14 @@ describe('Options', () => {
         onSubmit: mockOnSubmit,
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
       const form = container.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert
       expect(mockOnSubmit).not.toHaveBeenCalled()
     })
 
     it('should show toast error when validation fails', () => {
-      // Arrange
       const failingSchema = {
         safeParse: vi.fn().mockReturnValue({
           success: false,
@@ -1105,12 +916,10 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
       const form = container.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert
       expect(mockToastNotify).toHaveBeenCalledWith({
         type: 'error',
         message: 'Path: name Error: Name is required',
@@ -1118,7 +927,6 @@ describe('Options', () => {
     })
 
     it('should format error message with multiple path segments', () => {
-      // Arrange
       const failingSchema = {
         safeParse: vi.fn().mockReturnValue({
           success: false,
@@ -1137,12 +945,10 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
       const form = container.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert
       expect(mockToastNotify).toHaveBeenCalledWith({
         type: 'error',
         message: 'Path: user.profile.email Error: Invalid email format',
@@ -1150,7 +956,6 @@ describe('Options', () => {
     })
 
     it('should only show first validation error when multiple errors exist', () => {
-      // Arrange
       const failingSchema = {
         safeParse: vi.fn().mockReturnValue({
           success: false,
@@ -1171,12 +976,10 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
       const form = container.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert - should only show first error
       expect(mockToastNotify).toHaveBeenCalledTimes(1)
       expect(mockToastNotify).toHaveBeenCalledWith({
         type: 'error',
@@ -1185,7 +988,6 @@ describe('Options', () => {
     })
 
     it('should handle empty path in validation error', () => {
-      // Arrange
       const failingSchema = {
         safeParse: vi.fn().mockReturnValue({
           success: false,
@@ -1204,12 +1006,10 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
       const form = container.querySelector('form')!
       fireEvent.submit(form)
 
-      // Assert
       expect(mockToastNotify).toHaveBeenCalledWith({
         type: 'error',
         message: 'Path:  Error: Form validation failed',
@@ -1219,7 +1019,6 @@ describe('Options', () => {
 
   describe('Field Rendering', () => {
     it('should render fields in correct order', () => {
-      // Arrange
       const configurations = [
         createBaseConfiguration({ variable: 'first', label: 'First' }),
         createBaseConfiguration({ variable: 'second', label: 'Second' }),
@@ -1233,22 +1032,18 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       render(<Options {...props} />)
 
-      // Assert - check that each field container exists with correct order
       expect(screen.getByTestId('field-first')).toBeInTheDocument()
       expect(screen.getByTestId('field-second')).toBeInTheDocument()
       expect(screen.getByTestId('field-third')).toBeInTheDocument()
 
-      // Verify order by checking labels within each field
       expect(screen.getByTestId('field-label-first')).toHaveTextContent('First')
       expect(screen.getByTestId('field-label-second')).toHaveTextContent('Second')
       expect(screen.getByTestId('field-label-third')).toHaveTextContent('Third')
     })
 
     it('should pass config to BaseField', () => {
-      // Arrange
       const configurations = [
         createBaseConfiguration({
           variable: 'test',
@@ -1265,10 +1060,8 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       render(<Options {...props} />)
 
-      // Assert
       expect(screen.getByTestId('field-label-test')).toHaveTextContent('Test Label')
       expect(screen.getByTestId('field-type-test')).toHaveTextContent(BaseFieldType.textInput)
       expect(screen.getByTestId('field-required-test')).toHaveTextContent('true')
@@ -1277,7 +1070,6 @@ describe('Options', () => {
 
   describe('Edge Cases', () => {
     it('should handle empty initialData', () => {
-      // Arrange
       const props = {
         initialData: {},
         configurations: [createBaseConfiguration()],
@@ -1286,15 +1078,12 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       const { container } = render(<Options {...props} />)
 
-      // Assert
       expect(container.querySelector('form')).toBeInTheDocument()
     })
 
     it('should handle empty configurations', () => {
-      // Arrange
       const props = {
         initialData: {},
         configurations: [],
@@ -1303,15 +1092,12 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       render(<Options {...props} />)
 
-      // Assert
       expect(screen.queryByTestId(/^field-/)).not.toBeInTheDocument()
     })
 
     it('should handle configurations with all field types', () => {
-      // Arrange
       const configurations = [
         createBaseConfiguration({ type: BaseFieldType.textInput, variable: 'text' }),
         createBaseConfiguration({ type: BaseFieldType.paragraph, variable: 'paragraph' }),
@@ -1333,10 +1119,8 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       render(<Options {...props} />)
 
-      // Assert
       expect(screen.getByTestId('field-text')).toBeInTheDocument()
       expect(screen.getByTestId('field-paragraph')).toBeInTheDocument()
       expect(screen.getByTestId('field-number')).toBeInTheDocument()
@@ -1345,7 +1129,6 @@ describe('Options', () => {
     })
 
     it('should handle large number of configurations', () => {
-      // Arrange
       const configurations = Array.from({ length: 20 }, (_, i) =>
         createBaseConfiguration({ variable: `field_${i}`, label: `Field ${i}` }))
       const props = {
@@ -1356,21 +1139,14 @@ describe('Options', () => {
         onSubmit: vi.fn(),
       }
 
-      // Act
       render(<Options {...props} />)
 
-      // Assert
       expect(screen.getAllByTestId(/^field-field_/)).toHaveLength(20)
     })
   })
 })
 
-// ============================================================================
-// useInputVariables Hook Tests
-// ============================================================================
-
 describe('useInputVariables Hook', () => {
-  // Import hook directly for isolated testing
   // Note: The hook is tested via component tests above, but we add specific hook tests here
 
   beforeEach(() => {
@@ -1382,10 +1158,8 @@ describe('useInputVariables Hook', () => {
 
   describe('Return Values', () => {
     it('should return isFetchingParams state', () => {
-      // Arrange
       setupMocks({ isFetchingParams: true })
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1395,17 +1169,14 @@ describe('useInputVariables Hook', () => {
         />,
       )
 
-      // Assert - verified by checking process button is disabled
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).toBeDisabled()
     })
 
     it('should return paramsConfig when data is loaded', () => {
-      // Arrange
       const variables = [createRAGPipelineVariable()]
       setupMocks({ paramsConfig: { variables } })
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1415,18 +1186,15 @@ describe('useInputVariables Hook', () => {
         />,
       )
 
-      // Assert
       expect(mockUseInitialData).toHaveBeenCalledWith(variables)
     })
   })
 
   describe('Query Behavior', () => {
     it('should use pipelineId from store', () => {
-      // Arrange
       mockPipelineId = 'custom-pipeline-id'
       setupMocks()
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1436,16 +1204,13 @@ describe('useInputVariables Hook', () => {
         />,
       )
 
-      // Assert - component renders successfully with the pipelineId
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
 
     it('should handle null pipelineId gracefully', () => {
-      // Arrange
       mockPipelineId = null
       setupMocks({ pipelineId: null })
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1455,16 +1220,11 @@ describe('useInputVariables Hook', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
   })
 })
 
-// ============================================================================
-// Integration Tests
-// ============================================================================
-
 describe('DocumentProcessing Integration', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1473,7 +1233,6 @@ describe('DocumentProcessing Integration', () => {
 
   describe('Full Flow', () => {
     it('should integrate hooks, Options, and Actions correctly', () => {
-      // Arrange
       const variables = [
         createRAGPipelineVariable({ variable: 'input1', label: 'Input 1' }),
         createRAGPipelineVariable({ variable: 'input2', label: 'Input 2' }),
@@ -1488,7 +1247,6 @@ describe('DocumentProcessing Integration', () => {
         initialData: { input1: '', input2: '' },
       })
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1498,7 +1256,6 @@ describe('DocumentProcessing Integration', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('field-input1')).toBeInTheDocument()
       expect(screen.getByTestId('field-input2')).toBeInTheDocument()
       expect(screen.getByText('datasetPipeline.operations.backToDataSource')).toBeInTheDocument()
@@ -1506,12 +1263,10 @@ describe('DocumentProcessing Integration', () => {
     })
 
     it('should pass data through the component hierarchy', () => {
-      // Arrange
       const mockOnProcess = vi.fn()
       const mockOnBack = vi.fn()
       setupMocks()
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing
           dataSourceNodeId="test-node"
@@ -1520,22 +1275,18 @@ describe('DocumentProcessing Integration', () => {
         />,
       )
 
-      // Click back button
       fireEvent.click(screen.getByText('datasetPipeline.operations.backToDataSource'))
 
-      // Assert
       expect(mockOnBack).toHaveBeenCalled()
     })
   })
 
   describe('State Synchronization', () => {
     it('should update when workflow running status changes', () => {
-      // Arrange
       setupMocks({
         workflowRunningData: { result: { status: WorkflowRunningStatus.Running } },
       })
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1545,16 +1296,13 @@ describe('DocumentProcessing Integration', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).toBeDisabled()
     })
 
     it('should update when fetching params status changes', () => {
-      // Arrange
       setupMocks({ isFetchingParams: true })
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1564,17 +1312,12 @@ describe('DocumentProcessing Integration', () => {
         />,
       )
 
-      // Assert
       const processButton = screen.getByText('datasetPipeline.operations.process').closest('button')
       expect(processButton).toBeDisabled()
     })
   })
 })
 
-// ============================================================================
-// Prop Variations Tests
-// ============================================================================
-
 describe('Prop Variations', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1589,7 +1332,6 @@ describe('Prop Variations', () => {
       ['node.with.dots'],
       ['very-long-node-id-that-could-potentially-cause-issues-if-not-handled-properly'],
     ])('should handle dataSourceNodeId: %s', (nodeId) => {
-      // Act
       renderWithQueryClient(
         <DocumentProcessing
           dataSourceNodeId={nodeId}
@@ -1598,18 +1340,15 @@ describe('Prop Variations', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
   })
 
   describe('Callback Variations', () => {
     it('should work with synchronous onProcess', () => {
-      // Arrange
       const syncCallback = vi.fn()
       setupMocks()
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing
           dataSourceNodeId="test-node"
@@ -1618,16 +1357,13 @@ describe('Prop Variations', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
 
     it('should work with async onProcess', () => {
-      // Arrange
       const asyncCallback = vi.fn().mockResolvedValue(undefined)
       setupMocks()
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing
           dataSourceNodeId="test-node"
@@ -1636,20 +1372,17 @@ describe('Prop Variations', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('form-actions')).toBeInTheDocument()
     })
   })
 
   describe('Configuration Variations', () => {
     it('should handle required fields', () => {
-      // Arrange
       const configurations = [
         createBaseConfiguration({ variable: 'required', required: true }),
       ]
       setupMocks({ configurations })
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1659,18 +1392,15 @@ describe('Prop Variations', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('field-required-required')).toHaveTextContent('true')
     })
 
     it('should handle optional fields', () => {
-      // Arrange
       const configurations = [
         createBaseConfiguration({ variable: 'optional', required: false }),
       ]
       setupMocks({ configurations })
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1680,12 +1410,10 @@ describe('Prop Variations', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('field-required-optional')).toHaveTextContent('false')
     })
 
     it('should handle mixed required and optional fields', () => {
-      // Arrange
       const configurations = [
         createBaseConfiguration({ variable: 'required1', required: true }),
         createBaseConfiguration({ variable: 'optional1', required: false }),
@@ -1693,7 +1421,6 @@ describe('Prop Variations', () => {
       ]
       setupMocks({ configurations })
 
-      // Act
       renderWithQueryClient(
         <DocumentProcessing {...{
           dataSourceNodeId: 'test-node',
@@ -1703,7 +1430,6 @@ describe('Prop Variations', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByTestId('field-required-required1')).toHaveTextContent('true')
       expect(screen.getByTestId('field-required-optional1')).toHaveTextContent('false')
       expect(screen.getByTestId('field-required-required2')).toHaveTextContent('true')
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/result/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/test-run/result/__tests__/index.spec.tsx
similarity index 81%
rename from web/app/components/rag-pipeline/components/panel/test-run/result/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/test-run/result/__tests__/index.spec.tsx
index d3204ae29a..249a13023c 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/result/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/test-run/result/__tests__/index.spec.tsx
@@ -5,41 +5,19 @@ import * as React from 'react'
 import { BlockEnum, WorkflowRunningStatus } from '@/app/components/workflow/types'
 import { RAG_PIPELINE_PREVIEW_CHUNK_NUM } from '@/config'
 import { ChunkingMode } from '@/models/datasets'
-import Result from './index'
-import ResultPreview from './result-preview'
-import { formatPreviewChunks } from './result-preview/utils'
-import Tabs from './tabs'
-import Tab from './tabs/tab'
-
-// ============================================================================
-// Pre-declare variables used in mocks (hoisting)
-// ============================================================================
+import Result from '../index'
+import ResultPreview from '../result-preview'
+import { formatPreviewChunks } from '../result-preview/utils'
+import Tabs from '../tabs'
+import Tab from '../tabs/tab'
 
 let mockWorkflowRunningData: WorkflowRunningData | undefined
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock react-i18next
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string, options?: { ns?: string, count?: number }) => {
-      const ns = options?.ns ? `${options.ns}.` : ''
-      if (options?.count !== undefined)
-        return `${ns}${key} (count: ${options.count})`
-      return `${ns}${key}`
-    },
-  }),
-}))
-
-// Mock workflow store
 vi.mock('@/app/components/workflow/store', () => ({
   useStore: <T,>(selector: (state: { workflowRunningData: WorkflowRunningData | undefined }) => T) =>
     selector({ workflowRunningData: mockWorkflowRunningData }),
 }))
 
-// Mock child components
 vi.mock('@/app/components/workflow/run/result-panel', () => ({
   default: ({
     inputs,
@@ -102,10 +80,6 @@ vi.mock('@/app/components/rag-pipeline/components/chunk-card-list', () => ({
   ),
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 const createMockWorkflowRunningData = (
   overrides?: Partial<WorkflowRunningData>,
 ): WorkflowRunningData => ({
@@ -191,26 +165,15 @@ const createQAChunkOutputs = (qaCount: number = 5) => ({
   })),
 })
 
-// ============================================================================
-// Helper Functions
-// ============================================================================
-
 const resetAllMocks = () => {
   mockWorkflowRunningData = undefined
 }
 
-// ============================================================================
-// Tab Component Tests
-// ============================================================================
-
 describe('Tab', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render tab with label', () => {
       const mockOnClick = vi.fn()
@@ -283,9 +246,6 @@ describe('Tab', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onClick with value when clicked', () => {
       const mockOnClick = vi.fn()
@@ -325,9 +285,6 @@ describe('Tab', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should maintain stable handleClick callback reference', () => {
       const mockOnClick = vi.fn()
@@ -353,33 +310,26 @@ describe('Tab', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variation Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should render with all combinations of isActive and workflowRunningData', () => {
       const mockOnClick = vi.fn()
       const workflowData = createMockWorkflowRunningData()
 
-      // Active with data
       const { rerender } = render(
         <Tab isActive={true} label="Tab" value="tab" workflowRunningData={workflowData} onClick={mockOnClick} />,
       )
       expect(screen.getByRole('button')).not.toBeDisabled()
 
-      // Inactive with data
       rerender(
         <Tab isActive={false} label="Tab" value="tab" workflowRunningData={workflowData} onClick={mockOnClick} />,
       )
       expect(screen.getByRole('button')).not.toBeDisabled()
 
-      // Active without data
       rerender(
         <Tab isActive={true} label="Tab" value="tab" workflowRunningData={undefined} onClick={mockOnClick} />,
       )
       expect(screen.getByRole('button')).toBeDisabled()
 
-      // Inactive without data
       rerender(
         <Tab isActive={false} label="Tab" value="tab" workflowRunningData={undefined} onClick={mockOnClick} />,
       )
@@ -388,18 +338,11 @@ describe('Tab', () => {
   })
 })
 
-// ============================================================================
-// Tabs Component Tests
-// ============================================================================
-
 describe('Tabs', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render all three tabs', () => {
       render(
@@ -440,18 +383,12 @@ describe('Tabs', () => {
       )
 
       const buttons = screen.getAllByRole('button')
-      // RESULT tab
       expect(buttons[0]).toHaveClass('border-transparent')
-      // DETAIL tab (active)
       expect(buttons[1]).toHaveClass('border-util-colors-blue-brand-blue-brand-600')
-      // TRACING tab
       expect(buttons[2]).toHaveClass('border-transparent')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call switchTab when RESULT tab is clicked', () => {
       const mockSwitchTab = vi.fn()
@@ -522,9 +459,6 @@ describe('Tabs', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variation Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should handle all currentTab values', () => {
       const mockSwitchTab = vi.fn()
@@ -554,14 +488,7 @@ describe('Tabs', () => {
   })
 })
 
-// ============================================================================
-// formatPreviewChunks Utility Tests
-// ============================================================================
-
 describe('formatPreviewChunks', () => {
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should return undefined when outputs is null', () => {
       expect(formatPreviewChunks(null)).toBeUndefined()
@@ -581,9 +508,6 @@ describe('formatPreviewChunks', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // General Chunks Tests
-  // -------------------------------------------------------------------------
   describe('General Chunks (text mode)', () => {
     it('should format general chunks correctly', () => {
       const outputs = createGeneralChunkOutputs(3)
@@ -613,9 +537,6 @@ describe('formatPreviewChunks', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Parent-Child Chunks Tests
-  // -------------------------------------------------------------------------
   describe('Parent-Child Chunks (hierarchical mode)', () => {
     it('should format paragraph mode chunks correctly', () => {
       const outputs = createParentChildChunkOutputs('paragraph', 3)
@@ -678,9 +599,6 @@ describe('formatPreviewChunks', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // QA Chunks Tests
-  // -------------------------------------------------------------------------
   describe('QA Chunks (qa mode)', () => {
     it('should format QA chunks correctly', () => {
       const outputs = createQAChunkOutputs(3)
@@ -710,18 +628,11 @@ describe('formatPreviewChunks', () => {
   })
 })
 
-// ============================================================================
-// ResultPreview Component Tests
-// ============================================================================
-
 describe('ResultPreview', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render loading state when isRunning is true and no outputs', () => {
       render(
@@ -778,7 +689,7 @@ describe('ResultPreview', () => {
       )
 
       expect(
-        screen.getByText(`pipeline.result.resultPreview.footerTip (count: ${RAG_PIPELINE_PREVIEW_CHUNK_NUM})`),
+        screen.getByText(`pipeline.result.resultPreview.footerTip:{"count":${RAG_PIPELINE_PREVIEW_CHUNK_NUM}}`),
       ).toBeInTheDocument()
     })
 
@@ -799,9 +710,6 @@ describe('ResultPreview', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // User Interaction Tests
-  // -------------------------------------------------------------------------
   describe('User Interactions', () => {
     it('should call onSwitchToDetail when view details button is clicked', () => {
       const mockOnSwitchToDetail = vi.fn()
@@ -821,9 +729,6 @@ describe('ResultPreview', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variation Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     it('should render with general chunks output', () => {
       const outputs = createGeneralChunkOutputs(3)
@@ -874,9 +779,6 @@ describe('ResultPreview', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle outputs with no previewChunks result', () => {
       const outputs = {
@@ -893,7 +795,6 @@ describe('ResultPreview', () => {
         />,
       )
 
-      // Should not render chunk card list when formatPreviewChunks returns undefined
       expect(screen.queryByTestId('chunk-card-list')).not.toBeInTheDocument()
     })
 
@@ -907,14 +808,10 @@ describe('ResultPreview', () => {
         />,
       )
 
-      // Error section should not render when isRunning is true
       expect(screen.queryByText('pipeline.result.resultPreview.error')).not.toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should memoize previewChunks calculation', () => {
       const outputs = createGeneralChunkOutputs(3)
@@ -927,7 +824,6 @@ describe('ResultPreview', () => {
         />,
       )
 
-      // Re-render with same outputs - should use memoized value
       rerender(
         <ResultPreview
           isRunning={false}
@@ -942,19 +838,12 @@ describe('ResultPreview', () => {
   })
 })
 
-// ============================================================================
-// Result Component Tests (Main Component)
-// ============================================================================
-
 describe('Result', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     resetAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render tabs and result preview by default', () => {
       mockWorkflowRunningData = createMockWorkflowRunningData({
@@ -967,7 +856,6 @@ describe('Result', () => {
 
       render(<Result />)
 
-      // Tabs should be rendered
       expect(screen.getByText('runLog.result')).toBeInTheDocument()
       expect(screen.getByText('runLog.detail')).toBeInTheDocument()
       expect(screen.getByText('runLog.tracing')).toBeInTheDocument()
@@ -1003,9 +891,6 @@ describe('Result', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Tab Switching Tests
-  // -------------------------------------------------------------------------
   describe('Tab Switching', () => {
     it('should switch to DETAIL tab when clicked', async () => {
       mockWorkflowRunningData = createMockWorkflowRunningData()
@@ -1042,13 +927,11 @@ describe('Result', () => {
 
       render(<Result />)
 
-      // Switch to DETAIL
       fireEvent.click(screen.getByText('runLog.detail'))
       await waitFor(() => {
         expect(screen.getByTestId('result-panel')).toBeInTheDocument()
       })
 
-      // Switch back to RESULT
       fireEvent.click(screen.getByText('runLog.result'))
       await waitFor(() => {
         expect(screen.getByTestId('chunk-card-list')).toBeInTheDocument()
@@ -1056,9 +939,6 @@ describe('Result', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // DETAIL Tab Content Tests
-  // -------------------------------------------------------------------------
   describe('DETAIL Tab Content', () => {
     it('should render ResultPanel with correct props', async () => {
       mockWorkflowRunningData = createMockWorkflowRunningData({
@@ -1109,9 +989,6 @@ describe('Result', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // TRACING Tab Content Tests
-  // -------------------------------------------------------------------------
   describe('TRACING Tab Content', () => {
     it('should render TracingPanel with tracing data', async () => {
       mockWorkflowRunningData = createMockWorkflowRunningData()
@@ -1137,15 +1014,11 @@ describe('Result', () => {
       fireEvent.click(screen.getByText('runLog.tracing'))
 
       await waitFor(() => {
-        // Both TracingPanel and Loading should be rendered
         expect(screen.getByTestId('tracing-panel')).toBeInTheDocument()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Switch to Detail from Result Preview Tests
-  // -------------------------------------------------------------------------
   describe('Switch to Detail from Result Preview', () => {
     it('should switch to DETAIL tab when onSwitchToDetail is triggered from ResultPreview', async () => {
       mockWorkflowRunningData = createMockWorkflowRunningData({
@@ -1159,7 +1032,6 @@ describe('Result', () => {
 
       render(<Result />)
 
-      // Click the view details button in error state
       fireEvent.click(screen.getByText('pipeline.result.resultPreview.viewDetails'))
 
       await waitFor(() => {
@@ -1168,16 +1040,12 @@ describe('Result', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle undefined workflowRunningData', () => {
       mockWorkflowRunningData = undefined
 
       render(<Result />)
 
-      // All tabs should be disabled
       const buttons = screen.getAllByRole('button')
       buttons.forEach((button) => {
         expect(button).toBeDisabled()
@@ -1193,7 +1061,6 @@ describe('Result', () => {
 
       render(<Result />)
 
-      // Should show loading in RESULT tab (isRunning condition)
       expect(screen.getByText('pipeline.result.resultPreview.loading')).toBeInTheDocument()
     })
 
@@ -1223,36 +1090,28 @@ describe('Result', () => {
 
       render(<Result />)
 
-      // Should show error when stopped
       expect(screen.getByText('pipeline.result.resultPreview.error')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // State Management Tests
-  // -------------------------------------------------------------------------
   describe('State Management', () => {
     it('should maintain tab state across re-renders', async () => {
       mockWorkflowRunningData = createMockWorkflowRunningData()
 
       const { rerender } = render(<Result />)
 
-      // Switch to DETAIL tab
       fireEvent.click(screen.getByText('runLog.detail'))
 
       await waitFor(() => {
         expect(screen.getByTestId('result-panel')).toBeInTheDocument()
       })
 
-      // Re-render component
       rerender(<Result />)
 
-      // Should still be on DETAIL tab
       expect(screen.getByTestId('result-panel')).toBeInTheDocument()
     })
 
     it('should render different states based on workflowRunningData', () => {
-      // Test 1: Running state with no outputs
       mockWorkflowRunningData = createMockWorkflowRunningData({
         result: {
           ...createMockWorkflowRunningData().result,
@@ -1265,7 +1124,6 @@ describe('Result', () => {
       expect(screen.getByText('pipeline.result.resultPreview.loading')).toBeInTheDocument()
       unmount()
 
-      // Test 2: Completed state with outputs
       const outputs = createGeneralChunkOutputs(3)
       mockWorkflowRunningData = createMockWorkflowRunningData({
         result: {
@@ -1280,19 +1138,14 @@ describe('Result', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be memoized', () => {
       mockWorkflowRunningData = createMockWorkflowRunningData()
 
       const { rerender } = render(<Result />)
 
-      // Re-render without changes
       rerender(<Result />)
 
-      // Component should still be rendered correctly
       expect(screen.getByText('runLog.result')).toBeInTheDocument()
     })
   })
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/result/result-preview/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/test-run/result/result-preview/__tests__/index.spec.tsx
similarity index 79%
rename from web/app/components/rag-pipeline/components/panel/test-run/result/result-preview/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/test-run/result/result-preview/__tests__/index.spec.tsx
index 8dd0bf759f..1245d2aca5 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/result/result-preview/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/test-run/result/result-preview/__tests__/index.spec.tsx
@@ -1,32 +1,15 @@
-import type { ChunkInfo, GeneralChunks, ParentChildChunks, QAChunks } from '../../../../chunk-card-list/types'
+import type { ChunkInfo, GeneralChunks, ParentChildChunks, QAChunks } from '../../../../../chunk-card-list/types'
 import { fireEvent, render, screen } from '@testing-library/react'
 import * as React from 'react'
 import { ChunkingMode } from '@/models/datasets'
-import ResultPreview from './index'
-import { formatPreviewChunks } from './utils'
+import ResultPreview from '../index'
+import { formatPreviewChunks } from '../utils'
 
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock react-i18next
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string, options?: { ns?: string, count?: number }) => {
-      const ns = options?.ns ? `${options.ns}.` : ''
-      const count = options?.count !== undefined ? ` (count: ${options.count})` : ''
-      return `${ns}${key}${count}`
-    },
-  }),
-}))
-
-// Mock config
 vi.mock('@/config', () => ({
   RAG_PIPELINE_PREVIEW_CHUNK_NUM: 20,
 }))
 
-// Mock ChunkCardList component
-vi.mock('../../../../chunk-card-list', () => ({
+vi.mock('../../../../../chunk-card-list', () => ({
   ChunkCardList: ({ chunkType, chunkInfo }: { chunkType: string, chunkInfo: ChunkInfo }) => (
     <div data-testid="chunk-card-list" data-chunk-type={chunkType} data-chunk-info={JSON.stringify(chunkInfo)}>
       ChunkCardList
@@ -34,10 +17,6 @@ vi.mock('../../../../chunk-card-list', () => ({
   ),
 }))
 
-// ============================================================================
-// Test Data Factories
-// ============================================================================
-
 /**
  * Factory for creating general chunk preview outputs
  */
@@ -98,52 +77,35 @@ const createMockQAChunks = (count: number): Array<{ question: string, answer: st
   }))
 }
 
-// ============================================================================
-// formatPreviewChunks Utility Tests
-// ============================================================================
-
 describe('formatPreviewChunks', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Null/Undefined Input Tests
-  // -------------------------------------------------------------------------
   describe('Null/Undefined Input', () => {
     it('should return undefined when outputs is undefined', () => {
-      // Arrange & Act
       const result = formatPreviewChunks(undefined)
 
-      // Assert
       expect(result).toBeUndefined()
     })
 
     it('should return undefined when outputs is null', () => {
-      // Arrange & Act
       const result = formatPreviewChunks(null)
 
-      // Assert
       expect(result).toBeUndefined()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // General Chunks (text_model) Tests
-  // -------------------------------------------------------------------------
   describe('General Chunks (text_model)', () => {
     it('should format general chunks correctly', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([
         { content: 'First chunk content' },
         { content: 'Second chunk content' },
         { content: 'Third chunk content' },
       ])
 
-      // Act
       const result = formatPreviewChunks(outputs) as GeneralChunks
 
-      // Assert
       expect(result).toEqual([
         { content: 'First chunk content', summary: undefined },
         { content: 'Second chunk content', summary: undefined },
@@ -152,40 +114,31 @@ describe('formatPreviewChunks', () => {
     })
 
     it('should limit general chunks to RAG_PIPELINE_PREVIEW_CHUNK_NUM (20)', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs(createMockGeneralChunks(30))
 
-      // Act
       const result = formatPreviewChunks(outputs) as GeneralChunks
 
-      // Assert
       expect(result).toHaveLength(20)
       expect((result as GeneralChunks)[0].content).toBe('Chunk content 1')
       expect((result as GeneralChunks)[19].content).toBe('Chunk content 20')
     })
 
     it('should handle empty preview array for general chunks', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([])
 
-      // Act
       const result = formatPreviewChunks(outputs) as GeneralChunks
 
-      // Assert
       expect(result).toEqual([])
     })
 
     it('should handle general chunks with empty content', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([
         { content: '' },
         { content: 'Valid content' },
       ])
 
-      // Act
       const result = formatPreviewChunks(outputs) as GeneralChunks
 
-      // Assert
       expect(result).toEqual([
         { content: '', summary: undefined },
         { content: 'Valid content', summary: undefined },
@@ -193,17 +146,14 @@ describe('formatPreviewChunks', () => {
     })
 
     it('should handle general chunks with special characters', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([
         { content: '<script>alert("xss")</script>' },
         { content: '中文内容 🎉' },
         { content: 'Line1\nLine2\tTab' },
       ])
 
-      // Act
       const result = formatPreviewChunks(outputs) as GeneralChunks
 
-      // Assert
       expect(result).toEqual([
         { content: '<script>alert("xss")</script>', summary: undefined },
         { content: '中文内容 🎉', summary: undefined },
@@ -212,34 +162,25 @@ describe('formatPreviewChunks', () => {
     })
 
     it('should handle general chunks with very long content', () => {
-      // Arrange
       const longContent = 'A'.repeat(10000)
       const outputs = createGeneralChunkOutputs([{ content: longContent }])
 
-      // Act
       const result = formatPreviewChunks(outputs) as GeneralChunks
 
-      // Assert
       expect((result as GeneralChunks)[0].content).toHaveLength(10000)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Parent-Child Chunks (hierarchical_model) Tests
-  // -------------------------------------------------------------------------
   describe('Parent-Child Chunks (hierarchical_model)', () => {
     describe('Paragraph Mode', () => {
       it('should format parent-child chunks in paragraph mode correctly', () => {
-        // Arrange
         const outputs = createParentChildChunkOutputs([
           { content: 'Parent 1', child_chunks: ['Child 1-1', 'Child 1-2'] },
           { content: 'Parent 2', child_chunks: ['Child 2-1'] },
         ], 'paragraph')
 
-        // Act
         const result = formatPreviewChunks(outputs) as ParentChildChunks
 
-        // Assert
         expect(result.parent_mode).toBe('paragraph')
         expect(result.parent_child_chunks).toHaveLength(2)
         expect(result.parent_child_chunks[0]).toEqual({
@@ -255,54 +196,42 @@ describe('formatPreviewChunks', () => {
       })
 
       it('should limit parent chunks to RAG_PIPELINE_PREVIEW_CHUNK_NUM (20) in paragraph mode', () => {
-        // Arrange
         const outputs = createParentChildChunkOutputs(createMockParentChildChunks(30, 2), 'paragraph')
 
-        // Act
         const result = formatPreviewChunks(outputs) as ParentChildChunks
 
-        // Assert
         expect(result.parent_child_chunks).toHaveLength(20)
       })
 
       it('should NOT limit child chunks in paragraph mode', () => {
-        // Arrange
         const outputs = createParentChildChunkOutputs([
           { content: 'Parent 1', child_chunks: Array.from({ length: 50 }, (_, i) => `Child ${i + 1}`) },
         ], 'paragraph')
 
-        // Act
         const result = formatPreviewChunks(outputs) as ParentChildChunks
 
-        // Assert
         expect(result.parent_child_chunks[0].child_contents).toHaveLength(50)
       })
 
       it('should handle empty child_chunks in paragraph mode', () => {
-        // Arrange
         const outputs = createParentChildChunkOutputs([
           { content: 'Parent with no children', child_chunks: [] },
         ], 'paragraph')
 
-        // Act
         const result = formatPreviewChunks(outputs) as ParentChildChunks
 
-        // Assert
         expect(result.parent_child_chunks[0].child_contents).toEqual([])
       })
     })
 
     describe('Full-Doc Mode', () => {
       it('should format parent-child chunks in full-doc mode correctly', () => {
-        // Arrange
         const outputs = createParentChildChunkOutputs([
           { content: 'Full Doc Parent', child_chunks: ['Child 1', 'Child 2', 'Child 3'] },
         ], 'full-doc')
 
-        // Act
         const result = formatPreviewChunks(outputs) as ParentChildChunks
 
-        // Assert
         expect(result.parent_mode).toBe('full-doc')
         expect(result.parent_child_chunks).toHaveLength(1)
         expect(result.parent_child_chunks[0].parent_content).toBe('Full Doc Parent')
@@ -310,74 +239,56 @@ describe('formatPreviewChunks', () => {
       })
 
       it('should NOT limit parent chunks in full-doc mode', () => {
-        // Arrange
         const outputs = createParentChildChunkOutputs(createMockParentChildChunks(30, 2), 'full-doc')
 
-        // Act
         const result = formatPreviewChunks(outputs) as ParentChildChunks
 
-        // Assert - full-doc mode processes all parents (forEach without slice)
         expect(result.parent_child_chunks).toHaveLength(30)
       })
 
       it('should limit child chunks to RAG_PIPELINE_PREVIEW_CHUNK_NUM (20) in full-doc mode', () => {
-        // Arrange
         const outputs = createParentChildChunkOutputs([
           { content: 'Parent', child_chunks: Array.from({ length: 50 }, (_, i) => `Child ${i + 1}`) },
         ], 'full-doc')
 
-        // Act
         const result = formatPreviewChunks(outputs) as ParentChildChunks
 
-        // Assert
         expect(result.parent_child_chunks[0].child_contents).toHaveLength(20)
         expect(result.parent_child_chunks[0].child_contents[0]).toBe('Child 1')
         expect(result.parent_child_chunks[0].child_contents[19]).toBe('Child 20')
       })
 
       it('should handle multiple parents with many children in full-doc mode', () => {
-        // Arrange
         const outputs = createParentChildChunkOutputs([
           { content: 'Parent 1', child_chunks: Array.from({ length: 25 }, (_, i) => `P1-Child ${i + 1}`) },
           { content: 'Parent 2', child_chunks: Array.from({ length: 30 }, (_, i) => `P2-Child ${i + 1}`) },
         ], 'full-doc')
 
-        // Act
         const result = formatPreviewChunks(outputs) as ParentChildChunks
 
-        // Assert
         expect(result.parent_child_chunks[0].child_contents).toHaveLength(20)
         expect(result.parent_child_chunks[1].child_contents).toHaveLength(20)
       })
     })
 
     it('should handle empty preview array for parent-child chunks', () => {
-      // Arrange
       const outputs = createParentChildChunkOutputs([], 'paragraph')
 
-      // Act
       const result = formatPreviewChunks(outputs) as ParentChildChunks
 
-      // Assert
       expect(result.parent_child_chunks).toEqual([])
     })
   })
 
-  // -------------------------------------------------------------------------
-  // QA Chunks (qa_model) Tests
-  // -------------------------------------------------------------------------
   describe('QA Chunks (qa_model)', () => {
     it('should format QA chunks correctly', () => {
-      // Arrange
       const outputs = createQAChunkOutputs([
         { question: 'What is Dify?', answer: 'Dify is an LLM application platform.' },
         { question: 'How to use it?', answer: 'You can create apps easily.' },
       ])
 
-      // Act
       const result = formatPreviewChunks(outputs) as QAChunks
 
-      // Assert
       expect(result.qa_chunks).toHaveLength(2)
       expect(result.qa_chunks[0]).toEqual({
         question: 'What is Dify?',
@@ -390,38 +301,29 @@ describe('formatPreviewChunks', () => {
     })
 
     it('should limit QA chunks to RAG_PIPELINE_PREVIEW_CHUNK_NUM (20)', () => {
-      // Arrange
       const outputs = createQAChunkOutputs(createMockQAChunks(30))
 
-      // Act
       const result = formatPreviewChunks(outputs) as QAChunks
 
-      // Assert
       expect(result.qa_chunks).toHaveLength(20)
     })
 
     it('should handle empty qa_preview array', () => {
-      // Arrange
       const outputs = createQAChunkOutputs([])
 
-      // Act
       const result = formatPreviewChunks(outputs) as QAChunks
 
-      // Assert
       expect(result.qa_chunks).toEqual([])
     })
 
     it('should handle QA chunks with empty question or answer', () => {
-      // Arrange
       const outputs = createQAChunkOutputs([
         { question: '', answer: 'Answer without question' },
         { question: 'Question without answer', answer: '' },
       ])
 
-      // Act
       const result = formatPreviewChunks(outputs) as QAChunks
 
-      // Assert
       expect(result.qa_chunks[0].question).toBe('')
       expect(result.qa_chunks[0].answer).toBe('Answer without question')
       expect(result.qa_chunks[1].question).toBe('Question without answer')
@@ -429,7 +331,6 @@ describe('formatPreviewChunks', () => {
     })
 
     it('should preserve all properties when spreading chunk', () => {
-      // Arrange
       const outputs = {
         chunk_structure: ChunkingMode.qa,
         qa_preview: [
@@ -437,90 +338,63 @@ describe('formatPreviewChunks', () => {
         ] as unknown as Array<{ question: string, answer: string }>,
       }
 
-      // Act
       const result = formatPreviewChunks(outputs) as QAChunks
 
-      // Assert
       expect(result.qa_chunks[0]).toEqual({ question: 'Q1', answer: 'A1', extra: 'should be preserved' })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Unknown Chunking Mode Tests
-  // -------------------------------------------------------------------------
   describe('Unknown Chunking Mode', () => {
     it('should return undefined for unknown chunking mode', () => {
-      // Arrange
       const outputs = {
         chunk_structure: 'unknown_mode' as ChunkingMode,
         preview: [],
       }
 
-      // Act
       const result = formatPreviewChunks(outputs)
 
-      // Assert
       expect(result).toBeUndefined()
     })
 
     it('should return undefined when chunk_structure is missing', () => {
-      // Arrange
       const outputs = {
         preview: [{ content: 'test' }],
       }
 
-      // Act
       const result = formatPreviewChunks(outputs)
 
-      // Assert
       expect(result).toBeUndefined()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle exactly RAG_PIPELINE_PREVIEW_CHUNK_NUM (20) chunks', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs(createMockGeneralChunks(20))
 
-      // Act
       const result = formatPreviewChunks(outputs) as GeneralChunks
 
-      // Assert
       expect(result).toHaveLength(20)
     })
 
     it('should handle outputs with additional properties', () => {
-      // Arrange
       const outputs = {
         ...createGeneralChunkOutputs([{ content: 'Test' }]),
         extra_field: 'should not affect result',
         metadata: { some: 'data' },
       }
 
-      // Act
       const result = formatPreviewChunks(outputs) as GeneralChunks
 
-      // Assert
       expect(result).toEqual([{ content: 'Test', summary: undefined }])
     })
   })
 })
 
-// ============================================================================
-// ResultPreview Component Tests
-// ============================================================================
-
 describe('ResultPreview', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Default Props Factory
-  // -------------------------------------------------------------------------
   const defaultProps = {
     isRunning: false,
     outputs: undefined,
@@ -528,117 +402,85 @@ describe('ResultPreview', () => {
     onSwitchToDetail: vi.fn(),
   }
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing with minimal props', () => {
-      // Arrange & Act
       render(<ResultPreview onSwitchToDetail={vi.fn()} />)
 
-      // Assert - Component renders (no visible content in empty state)
       expect(document.body).toBeInTheDocument()
     })
 
     it('should render loading state when isRunning and no outputs', () => {
-      // Arrange & Act
       render(<ResultPreview {...defaultProps} isRunning={true} outputs={undefined} />)
 
-      // Assert
       expect(screen.getByText('pipeline.result.resultPreview.loading')).toBeInTheDocument()
     })
 
     it('should render loading spinner icon when loading', () => {
-      // Arrange & Act
       const { container } = render(<ResultPreview {...defaultProps} isRunning={true} outputs={undefined} />)
 
-      // Assert - Check for animate-spin class (loading spinner)
       const spinner = container.querySelector('.animate-spin')
       expect(spinner).toBeInTheDocument()
     })
 
     it('should render error state when not running and error exists', () => {
-      // Arrange & Act
       render(<ResultPreview {...defaultProps} isRunning={false} error="Something went wrong" />)
 
-      // Assert
       expect(screen.getByText('pipeline.result.resultPreview.error')).toBeInTheDocument()
       expect(screen.getByRole('button', { name: /pipeline\.result\.resultPreview\.viewDetails/i })).toBeInTheDocument()
     })
 
     it('should render outputs when available', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([{ content: 'Test chunk' }])
 
-      // Act
       render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-      // Assert
       expect(screen.getByTestId('chunk-card-list')).toBeInTheDocument()
     })
 
     it('should render footer tip when outputs available', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([{ content: 'Test chunk' }])
 
-      // Act
       render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-      // Assert
       expect(screen.getByText(/pipeline\.result\.resultPreview\.footerTip/)).toBeInTheDocument()
     })
 
     it('should not render loading when outputs exist even if isRunning', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([{ content: 'Test' }])
 
-      // Act
       render(<ResultPreview {...defaultProps} isRunning={true} outputs={outputs} />)
 
-      // Assert - Should show outputs, not loading
       expect(screen.queryByText('pipeline.result.resultPreview.loading')).not.toBeInTheDocument()
       expect(screen.getByTestId('chunk-card-list')).toBeInTheDocument()
     })
 
     it('should not render error when isRunning is true', () => {
-      // Arrange & Act
       render(<ResultPreview {...defaultProps} isRunning={true} error="Error message" outputs={undefined} />)
 
-      // Assert - Should show loading, not error
       expect(screen.getByText('pipeline.result.resultPreview.loading')).toBeInTheDocument()
       expect(screen.queryByText('pipeline.result.resultPreview.error')).not.toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Variations Tests
-  // -------------------------------------------------------------------------
   describe('Props Variations', () => {
     describe('isRunning prop', () => {
       it('should show loading when isRunning=true and no outputs', () => {
-        // Arrange & Act
         render(<ResultPreview {...defaultProps} isRunning={true} />)
 
-        // Assert
         expect(screen.getByText('pipeline.result.resultPreview.loading')).toBeInTheDocument()
       })
 
       it('should not show loading when isRunning=false', () => {
-        // Arrange & Act
         render(<ResultPreview {...defaultProps} isRunning={false} />)
 
-        // Assert
         expect(screen.queryByText('pipeline.result.resultPreview.loading')).not.toBeInTheDocument()
       })
 
       it('should prioritize outputs over loading state', () => {
-        // Arrange
         const outputs = createGeneralChunkOutputs([{ content: 'Data' }])
 
-        // Act
         render(<ResultPreview {...defaultProps} isRunning={true} outputs={outputs} />)
 
-        // Assert
         expect(screen.queryByText('pipeline.result.resultPreview.loading')).not.toBeInTheDocument()
         expect(screen.getByTestId('chunk-card-list')).toBeInTheDocument()
       })
@@ -646,28 +488,22 @@ describe('ResultPreview', () => {
 
     describe('outputs prop', () => {
       it('should pass chunk_structure to ChunkCardList', () => {
-        // Arrange
         const outputs = createGeneralChunkOutputs([{ content: 'Test' }])
 
-        // Act
         render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-        // Assert
         const chunkList = screen.getByTestId('chunk-card-list')
         expect(chunkList).toHaveAttribute('data-chunk-type', ChunkingMode.text)
       })
 
       it('should format and pass previewChunks to ChunkCardList', () => {
-        // Arrange
         const outputs = createGeneralChunkOutputs([
           { content: 'Chunk 1' },
           { content: 'Chunk 2' },
         ])
 
-        // Act
         render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-        // Assert
         const chunkList = screen.getByTestId('chunk-card-list')
         const chunkInfo = JSON.parse(chunkList.getAttribute('data-chunk-info') || '[]')
         expect(chunkInfo).toEqual([
@@ -677,29 +513,23 @@ describe('ResultPreview', () => {
       })
 
       it('should handle parent-child outputs', () => {
-        // Arrange
         const outputs = createParentChildChunkOutputs([
           { content: 'Parent', child_chunks: ['Child 1', 'Child 2'] },
         ])
 
-        // Act
         render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-        // Assert
         const chunkList = screen.getByTestId('chunk-card-list')
         expect(chunkList).toHaveAttribute('data-chunk-type', ChunkingMode.parentChild)
       })
 
       it('should handle QA outputs', () => {
-        // Arrange
         const outputs = createQAChunkOutputs([
           { question: 'Q1', answer: 'A1' },
         ])
 
-        // Act
         render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-        // Assert
         const chunkList = screen.getByTestId('chunk-card-list')
         expect(chunkList).toHaveAttribute('data-chunk-type', ChunkingMode.qa)
       })
@@ -707,29 +537,22 @@ describe('ResultPreview', () => {
 
     describe('error prop', () => {
       it('should show error state when error is a non-empty string', () => {
-        // Arrange & Act
         render(<ResultPreview {...defaultProps} error="Network error" />)
 
-        // Assert
         expect(screen.getByText('pipeline.result.resultPreview.error')).toBeInTheDocument()
       })
 
       it('should show error state when error is an empty string', () => {
-        // Arrange & Act
         render(<ResultPreview {...defaultProps} error="" />)
 
-        // Assert - Empty string is falsy, so error state should NOT show
         expect(screen.queryByText('pipeline.result.resultPreview.error')).not.toBeInTheDocument()
       })
 
       it('should render both outputs and error when both exist (independent conditions)', () => {
-        // Arrange
         const outputs = createGeneralChunkOutputs([{ content: 'Data' }])
 
-        // Act
         render(<ResultPreview {...defaultProps} outputs={outputs} error="Error" />)
 
-        // Assert - Both are rendered because conditions are independent in the component
         expect(screen.getByText('pipeline.result.resultPreview.error')).toBeInTheDocument()
         expect(screen.getByTestId('chunk-card-list')).toBeInTheDocument()
       })
@@ -737,65 +560,48 @@ describe('ResultPreview', () => {
 
     describe('onSwitchToDetail prop', () => {
       it('should be called when view details button is clicked', () => {
-        // Arrange
         const onSwitchToDetail = vi.fn()
         render(<ResultPreview {...defaultProps} error="Error" onSwitchToDetail={onSwitchToDetail} />)
 
-        // Act
         fireEvent.click(screen.getByRole('button', { name: /viewDetails/i }))
 
-        // Assert
         expect(onSwitchToDetail).toHaveBeenCalledTimes(1)
       })
 
       it('should not be called automatically on render', () => {
-        // Arrange
         const onSwitchToDetail = vi.fn()
 
-        // Act
         render(<ResultPreview {...defaultProps} error="Error" onSwitchToDetail={onSwitchToDetail} />)
 
-        // Assert
         expect(onSwitchToDetail).not.toHaveBeenCalled()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     describe('React.memo wrapper', () => {
       it('should be wrapped with React.memo', () => {
-        // Arrange & Act
         const { rerender } = render(<ResultPreview {...defaultProps} />)
         rerender(<ResultPreview {...defaultProps} />)
 
-        // Assert - Component renders correctly after rerender
         expect(document.body).toBeInTheDocument()
       })
 
       it('should update when props change', () => {
-        // Arrange
         const { rerender } = render(<ResultPreview {...defaultProps} isRunning={false} />)
 
-        // Act
         rerender(<ResultPreview {...defaultProps} isRunning={true} />)
 
-        // Assert
         expect(screen.getByText('pipeline.result.resultPreview.loading')).toBeInTheDocument()
       })
 
       it('should update when outputs change', () => {
-        // Arrange
         const outputs1 = createGeneralChunkOutputs([{ content: 'First' }])
         const { rerender } = render(<ResultPreview {...defaultProps} outputs={outputs1} />)
 
-        // Act
         const outputs2 = createGeneralChunkOutputs([{ content: 'Second' }])
         rerender(<ResultPreview {...defaultProps} outputs={outputs2} />)
 
-        // Assert
         const chunkList = screen.getByTestId('chunk-card-list')
         const chunkInfo = JSON.parse(chunkList.getAttribute('data-chunk-info') || '[]')
         expect(chunkInfo).toEqual([{ content: 'Second' }])
@@ -804,23 +610,19 @@ describe('ResultPreview', () => {
 
     describe('useMemo for previewChunks', () => {
       it('should compute previewChunks based on outputs', () => {
-        // Arrange
         const outputs = createGeneralChunkOutputs([
           { content: 'Memoized chunk 1' },
           { content: 'Memoized chunk 2' },
         ])
 
-        // Act
         render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-        // Assert
         const chunkList = screen.getByTestId('chunk-card-list')
         const chunkInfo = JSON.parse(chunkList.getAttribute('data-chunk-info') || '[]')
         expect(chunkInfo).toHaveLength(2)
       })
 
       it('should recompute when outputs reference changes', () => {
-        // Arrange
         const outputs1 = createGeneralChunkOutputs([{ content: 'Original' }])
         const { rerender } = render(<ResultPreview {...defaultProps} outputs={outputs1} />)
 
@@ -828,64 +630,47 @@ describe('ResultPreview', () => {
         let chunkInfo = JSON.parse(chunkList.getAttribute('data-chunk-info') || '[]')
         expect(chunkInfo).toEqual([{ content: 'Original' }])
 
-        // Act - Change outputs
         const outputs2 = createGeneralChunkOutputs([{ content: 'Updated' }])
         rerender(<ResultPreview {...defaultProps} outputs={outputs2} />)
 
-        // Assert
         chunkList = screen.getByTestId('chunk-card-list')
         chunkInfo = JSON.parse(chunkList.getAttribute('data-chunk-info') || '[]')
         expect(chunkInfo).toEqual([{ content: 'Updated' }])
       })
 
       it('should handle undefined outputs in useMemo', () => {
-        // Arrange & Act
         render(<ResultPreview {...defaultProps} outputs={undefined} />)
 
-        // Assert - No chunk list rendered
         expect(screen.queryByTestId('chunk-card-list')).not.toBeInTheDocument()
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Event Handlers Tests
-  // -------------------------------------------------------------------------
   describe('Event Handlers', () => {
     it('should call onSwitchToDetail when view details button is clicked', () => {
-      // Arrange
       const onSwitchToDetail = vi.fn()
       render(<ResultPreview {...defaultProps} error="Test error" onSwitchToDetail={onSwitchToDetail} />)
 
-      // Act
       fireEvent.click(screen.getByRole('button', { name: /viewDetails/i }))
 
-      // Assert
       expect(onSwitchToDetail).toHaveBeenCalledTimes(1)
     })
 
     it('should handle multiple clicks on view details button', () => {
-      // Arrange
       const onSwitchToDetail = vi.fn()
       render(<ResultPreview {...defaultProps} error="Test error" onSwitchToDetail={onSwitchToDetail} />)
       const button = screen.getByRole('button', { name: /viewDetails/i })
 
-      // Act
       fireEvent.click(button)
       fireEvent.click(button)
       fireEvent.click(button)
 
-      // Assert
       expect(onSwitchToDetail).toHaveBeenCalledTimes(3)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle empty state (all props undefined/false)', () => {
-      // Arrange & Act
       const { container } = render(
         <ResultPreview
           isRunning={false}
@@ -895,240 +680,178 @@ describe('ResultPreview', () => {
         />,
       )
 
-      // Assert - Should render empty fragment
       expect(container.firstChild).toBeNull()
     })
 
     it('should handle outputs with empty preview chunks', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([])
 
-      // Act
       render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-      // Assert
       const chunkList = screen.getByTestId('chunk-card-list')
       const chunkInfo = JSON.parse(chunkList.getAttribute('data-chunk-info') || '[]')
       expect(chunkInfo).toEqual([])
     })
 
     it('should handle outputs that result in undefined previewChunks', () => {
-      // Arrange
       const outputs = {
         chunk_structure: 'invalid_mode' as ChunkingMode,
         preview: [],
       }
 
-      // Act
       render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-      // Assert - Should not render chunk list when previewChunks is undefined
       expect(screen.queryByTestId('chunk-card-list')).not.toBeInTheDocument()
     })
 
     it('should handle unmount cleanly', () => {
-      // Arrange
       const { unmount } = render(<ResultPreview {...defaultProps} />)
 
-      // Assert
       expect(() => unmount()).not.toThrow()
     })
 
     it('should handle rapid prop changes', () => {
-      // Arrange
       const { rerender } = render(<ResultPreview {...defaultProps} />)
 
-      // Act - Rapidly change props
       rerender(<ResultPreview {...defaultProps} isRunning={true} />)
       rerender(<ResultPreview {...defaultProps} isRunning={false} error="Error" />)
       rerender(<ResultPreview {...defaultProps} outputs={createGeneralChunkOutputs([{ content: 'Test' }])} />)
       rerender(<ResultPreview {...defaultProps} />)
 
-      // Assert
       expect(screen.queryByTestId('chunk-card-list')).not.toBeInTheDocument()
     })
 
     it('should handle very large number of chunks', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs(createMockGeneralChunks(1000))
 
-      // Act
       render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-      // Assert - Should only show first 20 chunks
       const chunkList = screen.getByTestId('chunk-card-list')
       const chunkInfo = JSON.parse(chunkList.getAttribute('data-chunk-info') || '[]')
       expect(chunkInfo).toHaveLength(20)
     })
 
     it('should throw when outputs has null preview (slice called on null)', () => {
-      // Arrange
       const outputs = {
         chunk_structure: ChunkingMode.text,
         preview: null as unknown as Array<{ content: string }>,
       }
 
-      // Act & Assert - Component throws because slice is called on null preview
-      // This is expected behavior - the component doesn't validate input
       expect(() => render(<ResultPreview {...defaultProps} outputs={outputs} />)).toThrow()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Integration Tests
-  // -------------------------------------------------------------------------
   describe('Integration', () => {
     it('should transition from loading to output state', () => {
-      // Arrange
       const { rerender } = render(<ResultPreview {...defaultProps} isRunning={true} />)
       expect(screen.getByText('pipeline.result.resultPreview.loading')).toBeInTheDocument()
 
-      // Act
       const outputs = createGeneralChunkOutputs([{ content: 'Loaded data' }])
       rerender(<ResultPreview {...defaultProps} isRunning={false} outputs={outputs} />)
 
-      // Assert
       expect(screen.queryByText('pipeline.result.resultPreview.loading')).not.toBeInTheDocument()
       expect(screen.getByTestId('chunk-card-list')).toBeInTheDocument()
     })
 
     it('should transition from loading to error state', () => {
-      // Arrange
       const { rerender } = render(<ResultPreview {...defaultProps} isRunning={true} />)
       expect(screen.getByText('pipeline.result.resultPreview.loading')).toBeInTheDocument()
 
-      // Act
       rerender(<ResultPreview {...defaultProps} isRunning={false} error="Failed to load" />)
 
-      // Assert
       expect(screen.queryByText('pipeline.result.resultPreview.loading')).not.toBeInTheDocument()
       expect(screen.getByText('pipeline.result.resultPreview.error')).toBeInTheDocument()
     })
 
     it('should render both error and outputs when both props provided', () => {
-      // Arrange
       const { rerender } = render(<ResultPreview {...defaultProps} error="Initial error" />)
       expect(screen.getByText('pipeline.result.resultPreview.error')).toBeInTheDocument()
 
-      // Act - Outputs provided while error still exists
       const outputs = createGeneralChunkOutputs([{ content: 'Success data' }])
       rerender(<ResultPreview {...defaultProps} error="Initial error" outputs={outputs} />)
 
-      // Assert - Both are rendered (component uses independent conditions)
       expect(screen.getByText('pipeline.result.resultPreview.error')).toBeInTheDocument()
       expect(screen.getByTestId('chunk-card-list')).toBeInTheDocument()
     })
 
     it('should hide error when error prop is cleared', () => {
-      // Arrange
       const { rerender } = render(<ResultPreview {...defaultProps} error="Initial error" />)
       expect(screen.getByText('pipeline.result.resultPreview.error')).toBeInTheDocument()
 
-      // Act - Clear error and provide outputs
       const outputs = createGeneralChunkOutputs([{ content: 'Success data' }])
       rerender(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-      // Assert - Only outputs shown when error is cleared
       expect(screen.queryByText('pipeline.result.resultPreview.error')).not.toBeInTheDocument()
       expect(screen.getByTestId('chunk-card-list')).toBeInTheDocument()
     })
 
     it('should handle complete flow: empty -> loading -> outputs', () => {
-      // Arrange
       const { rerender, container } = render(<ResultPreview {...defaultProps} />)
       expect(container.firstChild).toBeNull()
 
-      // Act - Start loading
       rerender(<ResultPreview {...defaultProps} isRunning={true} />)
       expect(screen.getByText('pipeline.result.resultPreview.loading')).toBeInTheDocument()
 
-      // Act - Receive outputs
       const outputs = createGeneralChunkOutputs([{ content: 'Final data' }])
       rerender(<ResultPreview {...defaultProps} isRunning={false} outputs={outputs} />)
 
-      // Assert
       expect(screen.getByTestId('chunk-card-list')).toBeInTheDocument()
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Styling Tests
-  // -------------------------------------------------------------------------
   describe('Styling', () => {
     it('should have correct container classes for loading state', () => {
-      // Arrange & Act
       const { container } = render(<ResultPreview {...defaultProps} isRunning={true} />)
 
-      // Assert
       const loadingContainer = container.querySelector('.flex.grow.flex-col.items-center.justify-center')
       expect(loadingContainer).toBeInTheDocument()
     })
 
     it('should have correct container classes for error state', () => {
-      // Arrange & Act
       const { container } = render(<ResultPreview {...defaultProps} error="Error" />)
 
-      // Assert
       const errorContainer = container.querySelector('.flex.grow.flex-col.items-center.justify-center')
       expect(errorContainer).toBeInTheDocument()
     })
 
     it('should have correct container classes for outputs state', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([{ content: 'Test' }])
 
-      // Act
       const { container } = render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-      // Assert
       const outputContainer = container.querySelector('.flex.grow.flex-col.bg-background-body')
       expect(outputContainer).toBeInTheDocument()
     })
 
     it('should have gradient dividers in footer', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([{ content: 'Test' }])
 
-      // Act
       const { container } = render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-      // Assert
       const gradientDividers = container.querySelectorAll('.bg-gradient-to-r, .bg-gradient-to-l')
       expect(gradientDividers.length).toBeGreaterThanOrEqual(2)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Accessibility Tests
-  // -------------------------------------------------------------------------
   describe('Accessibility', () => {
     it('should have accessible button in error state', () => {
-      // Arrange & Act
       render(<ResultPreview {...defaultProps} error="Error" />)
 
-      // Assert
       const button = screen.getByRole('button')
       expect(button).toBeInTheDocument()
     })
 
     it('should have title attribute on footer tip for long text', () => {
-      // Arrange
       const outputs = createGeneralChunkOutputs([{ content: 'Test' }])
 
-      // Act
       const { container } = render(<ResultPreview {...defaultProps} outputs={outputs} />)
 
-      // Assert
       const footerTip = container.querySelector('[title]')
       expect(footerTip).toBeInTheDocument()
     })
   })
 })
 
-// ============================================================================
-// State Transition Matrix Tests
-// ============================================================================
-
 describe('State Transition Matrix', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1147,7 +870,6 @@ describe('State Transition Matrix', () => {
   it.each(states)(
     'should render $expected state when isRunning=$isRunning, outputs=$outputs, error=$error',
     ({ isRunning, outputs, error, expected }) => {
-      // Arrange & Act
       const { container } = render(
         <ResultPreview
           isRunning={isRunning}
@@ -1157,7 +879,6 @@ describe('State Transition Matrix', () => {
         />,
       )
 
-      // Assert
       switch (expected) {
         case 'empty':
           expect(container.firstChild).toBeNull()
diff --git a/web/app/components/rag-pipeline/components/panel/test-run/result/tabs/index.spec.tsx b/web/app/components/rag-pipeline/components/panel/test-run/result/tabs/__tests__/index.spec.tsx
similarity index 81%
rename from web/app/components/rag-pipeline/components/panel/test-run/result/tabs/index.spec.tsx
rename to web/app/components/rag-pipeline/components/panel/test-run/result/tabs/__tests__/index.spec.tsx
index ec7d404f6e..65dfd06cf6 100644
--- a/web/app/components/rag-pipeline/components/panel/test-run/result/tabs/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/panel/test-run/result/tabs/__tests__/index.spec.tsx
@@ -1,25 +1,8 @@
 import type { WorkflowRunningData } from '@/app/components/workflow/types'
 import { fireEvent, render, screen } from '@testing-library/react'
 import * as React from 'react'
-import Tabs from './index'
-import Tab from './tab'
-
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string, options?: { ns?: string }) => {
-      const ns = options?.ns ? `${options.ns}.` : ''
-      return `${ns}${key}`
-    },
-  }),
-}))
-
-// ============================================================================
-// Test Data Factories
-// ============================================================================
+import Tabs from '../index'
+import Tab from '../tab'
 
 /**
  * Factory function to create mock WorkflowRunningData
@@ -52,25 +35,16 @@ const createWorkflowRunningData = (
   ...overrides,
 })
 
-// ============================================================================
-// Tab Component Tests
-// ============================================================================
-
 describe('Tab', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests - Verify basic component rendering
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render tab with label correctly', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tab
           isActive={false}
@@ -81,16 +55,13 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByRole('button', { name: 'Test Label' })).toBeInTheDocument()
     })
 
     it('should render as button element with correct type', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tab
           isActive={false}
@@ -101,23 +72,17 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert
       const button = screen.getByRole('button')
       expect(button).toHaveAttribute('type', 'button')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Tests - Verify different prop combinations
-  // -------------------------------------------------------------------------
   describe('Props', () => {
     describe('isActive prop', () => {
       it('should apply active styles when isActive is true', () => {
-        // Arrange
         const mockOnClick = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tab
             isActive={true}
@@ -128,18 +93,15 @@ describe('Tab', () => {
           />,
         )
 
-        // Assert
         const button = screen.getByRole('button')
         expect(button).toHaveClass('border-util-colors-blue-brand-blue-brand-600')
         expect(button).toHaveClass('text-text-primary')
       })
 
       it('should apply inactive styles when isActive is false', () => {
-        // Arrange
         const mockOnClick = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tab
             isActive={false}
@@ -150,7 +112,6 @@ describe('Tab', () => {
           />,
         )
 
-        // Assert
         const button = screen.getByRole('button')
         expect(button).toHaveClass('text-text-tertiary')
         expect(button).toHaveClass('border-transparent')
@@ -159,11 +120,9 @@ describe('Tab', () => {
 
     describe('label prop', () => {
       it('should display the provided label text', () => {
-        // Arrange
         const mockOnClick = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tab
             isActive={false}
@@ -174,16 +133,13 @@ describe('Tab', () => {
           />,
         )
 
-        // Assert
         expect(screen.getByText('Custom Label Text')).toBeInTheDocument()
       })
 
       it('should handle empty label', () => {
-        // Arrange
         const mockOnClick = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tab
             isActive={false}
@@ -194,18 +150,15 @@ describe('Tab', () => {
           />,
         )
 
-        // Assert
         expect(screen.getByRole('button')).toBeInTheDocument()
         expect(screen.getByRole('button')).toHaveTextContent('')
       })
 
       it('should handle long label text', () => {
-        // Arrange
         const mockOnClick = vi.fn()
         const workflowData = createWorkflowRunningData()
         const longLabel = 'This is a very long label text for testing purposes'
 
-        // Act
         render(
           <Tab
             isActive={false}
@@ -216,19 +169,16 @@ describe('Tab', () => {
           />,
         )
 
-        // Assert
         expect(screen.getByText(longLabel)).toBeInTheDocument()
       })
     })
 
     describe('value prop', () => {
       it('should pass value to onClick handler when clicked', () => {
-        // Arrange
         const mockOnClick = vi.fn()
         const workflowData = createWorkflowRunningData()
         const testValue = 'CUSTOM_VALUE'
 
-        // Act
         render(
           <Tab
             isActive={false}
@@ -240,18 +190,15 @@ describe('Tab', () => {
         )
         fireEvent.click(screen.getByRole('button'))
 
-        // Assert
         expect(mockOnClick).toHaveBeenCalledWith(testValue)
       })
     })
 
     describe('workflowRunningData prop', () => {
       it('should enable button when workflowRunningData is provided', () => {
-        // Arrange
         const mockOnClick = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tab
             isActive={false}
@@ -262,15 +209,12 @@ describe('Tab', () => {
           />,
         )
 
-        // Assert
         expect(screen.getByRole('button')).not.toBeDisabled()
       })
 
       it('should disable button when workflowRunningData is undefined', () => {
-        // Arrange
         const mockOnClick = vi.fn()
 
-        // Act
         render(
           <Tab
             isActive={false}
@@ -281,15 +225,12 @@ describe('Tab', () => {
           />,
         )
 
-        // Assert
         expect(screen.getByRole('button')).toBeDisabled()
       })
 
       it('should apply disabled styles when workflowRunningData is undefined', () => {
-        // Arrange
         const mockOnClick = vi.fn()
 
-        // Act
         render(
           <Tab
             isActive={false}
@@ -300,18 +241,15 @@ describe('Tab', () => {
           />,
         )
 
-        // Assert
         const button = screen.getByRole('button')
         expect(button).toHaveClass('!cursor-not-allowed')
         expect(button).toHaveClass('opacity-30')
       })
 
       it('should not have disabled styles when workflowRunningData is provided', () => {
-        // Arrange
         const mockOnClick = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tab
             isActive={false}
@@ -322,7 +260,6 @@ describe('Tab', () => {
           />,
         )
 
-        // Assert
         const button = screen.getByRole('button')
         expect(button).not.toHaveClass('!cursor-not-allowed')
         expect(button).not.toHaveClass('opacity-30')
@@ -330,16 +267,11 @@ describe('Tab', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Event Handlers Tests - Verify click behavior
-  // -------------------------------------------------------------------------
   describe('Event Handlers', () => {
     it('should call onClick with value when clicked', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tab
           isActive={false}
@@ -351,16 +283,13 @@ describe('Tab', () => {
       )
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(mockOnClick).toHaveBeenCalledTimes(1)
       expect(mockOnClick).toHaveBeenCalledWith('RESULT')
     })
 
     it('should not call onClick when disabled (no workflowRunningData)', () => {
-      // Arrange
       const mockOnClick = vi.fn()
 
-      // Act
       render(
         <Tab
           isActive={false}
@@ -372,16 +301,13 @@ describe('Tab', () => {
       )
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(mockOnClick).not.toHaveBeenCalled()
     })
 
     it('should handle multiple clicks correctly', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tab
           isActive={false}
@@ -396,17 +322,12 @@ describe('Tab', () => {
       fireEvent.click(button)
       fireEvent.click(button)
 
-      // Assert
       expect(mockOnClick).toHaveBeenCalledTimes(3)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests - Verify React.memo optimization
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should not re-render when props are the same', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
       const renderSpy = vi.fn()
@@ -417,7 +338,6 @@ describe('Tab', () => {
       }
       const MemoizedTabWithSpy = React.memo(TabWithSpy)
 
-      // Act
       const { rerender } = render(
         <MemoizedTabWithSpy
           isActive={false}
@@ -428,7 +348,6 @@ describe('Tab', () => {
         />,
       )
 
-      // Re-render with same props
       rerender(
         <MemoizedTabWithSpy
           isActive={false}
@@ -439,16 +358,13 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert - React.memo should prevent re-render with same props
       expect(renderSpy).toHaveBeenCalledTimes(1)
     })
 
     it('should re-render when isActive prop changes', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       const { rerender } = render(
         <Tab
           isActive={false}
@@ -459,10 +375,8 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert initial state
       expect(screen.getByRole('button')).toHaveClass('text-text-tertiary')
 
-      // Rerender with changed prop
       rerender(
         <Tab
           isActive={true}
@@ -473,16 +387,13 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert updated state
       expect(screen.getByRole('button')).toHaveClass('text-text-primary')
     })
 
     it('should re-render when label prop changes', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       const { rerender } = render(
         <Tab
           isActive={false}
@@ -493,10 +404,8 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert initial state
       expect(screen.getByText('Original Label')).toBeInTheDocument()
 
-      // Rerender with changed prop
       rerender(
         <Tab
           isActive={false}
@@ -507,17 +416,14 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert updated state
       expect(screen.getByText('Updated Label')).toBeInTheDocument()
       expect(screen.queryByText('Original Label')).not.toBeInTheDocument()
     })
 
     it('should use stable handleClick callback with useCallback', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       const { rerender } = render(
         <Tab
           isActive={false}
@@ -531,7 +437,6 @@ describe('Tab', () => {
       fireEvent.click(screen.getByRole('button'))
       expect(mockOnClick).toHaveBeenCalledWith('TEST_VALUE')
 
-      // Rerender with same value and onClick
       rerender(
         <Tab
           isActive={true}
@@ -548,17 +453,12 @@ describe('Tab', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests - Verify boundary conditions
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle special characters in label', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
       const specialLabel = 'Tab <>&"\''
 
-      // Act
       render(
         <Tab
           isActive={false}
@@ -569,16 +469,13 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText(specialLabel)).toBeInTheDocument()
     })
 
     it('should handle special characters in value', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tab
           isActive={false}
@@ -590,16 +487,13 @@ describe('Tab', () => {
       )
       fireEvent.click(screen.getByRole('button'))
 
-      // Assert
       expect(mockOnClick).toHaveBeenCalledWith('SPECIAL_VALUE_123')
     })
 
     it('should handle unicode in label', () => {
-      // Arrange
       const mockOnClick = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tab
           isActive={false}
@@ -610,15 +504,12 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert
       expect(screen.getByText('结果 🚀')).toBeInTheDocument()
     })
 
     it('should combine isActive and disabled states correctly', () => {
-      // Arrange
       const mockOnClick = vi.fn()
 
-      // Act - Active but disabled (no workflowRunningData)
       render(
         <Tab
           isActive={true}
@@ -629,7 +520,6 @@ describe('Tab', () => {
         />,
       )
 
-      // Assert
       const button = screen.getByRole('button')
       expect(button).toBeDisabled()
       expect(button).toHaveClass('border-util-colors-blue-brand-blue-brand-600')
@@ -639,25 +529,16 @@ describe('Tab', () => {
   })
 })
 
-// ============================================================================
-// Tabs Component Tests
-// ============================================================================
-
 describe('Tabs', () => {
   beforeEach(() => {
     vi.clearAllMocks()
   })
 
-  // -------------------------------------------------------------------------
-  // Rendering Tests - Verify basic component rendering
-  // -------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render all three tabs', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab="RESULT"
@@ -666,18 +547,15 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert - Check all three tabs are rendered with i18n keys
       expect(screen.getByRole('button', { name: 'runLog.result' })).toBeInTheDocument()
       expect(screen.getByRole('button', { name: 'runLog.detail' })).toBeInTheDocument()
       expect(screen.getByRole('button', { name: 'runLog.tracing' })).toBeInTheDocument()
     })
 
     it('should render container with correct styles', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       const { container } = render(
         <Tabs
           currentTab="RESULT"
@@ -686,7 +564,6 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert
       const tabsContainer = container.firstChild
       expect(tabsContainer).toHaveClass('flex')
       expect(tabsContainer).toHaveClass('shrink-0')
@@ -698,11 +575,9 @@ describe('Tabs', () => {
     })
 
     it('should render exactly three tab buttons', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab="RESULT"
@@ -711,23 +586,17 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert
       const buttons = screen.getAllByRole('button')
       expect(buttons).toHaveLength(3)
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Props Tests - Verify different prop combinations
-  // -------------------------------------------------------------------------
   describe('Props', () => {
     describe('currentTab prop', () => {
       it('should set RESULT tab as active when currentTab is RESULT', () => {
-        // Arrange
         const mockSwitchTab = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tabs
             currentTab="RESULT"
@@ -736,7 +605,6 @@ describe('Tabs', () => {
           />,
         )
 
-        // Assert
         const resultTab = screen.getByRole('button', { name: 'runLog.result' })
         const detailTab = screen.getByRole('button', { name: 'runLog.detail' })
         const tracingTab = screen.getByRole('button', { name: 'runLog.tracing' })
@@ -747,11 +615,9 @@ describe('Tabs', () => {
       })
 
       it('should set DETAIL tab as active when currentTab is DETAIL', () => {
-        // Arrange
         const mockSwitchTab = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tabs
             currentTab="DETAIL"
@@ -760,7 +626,6 @@ describe('Tabs', () => {
           />,
         )
 
-        // Assert
         const resultTab = screen.getByRole('button', { name: 'runLog.result' })
         const detailTab = screen.getByRole('button', { name: 'runLog.detail' })
         const tracingTab = screen.getByRole('button', { name: 'runLog.tracing' })
@@ -771,11 +636,9 @@ describe('Tabs', () => {
       })
 
       it('should set TRACING tab as active when currentTab is TRACING', () => {
-        // Arrange
         const mockSwitchTab = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tabs
             currentTab="TRACING"
@@ -784,7 +647,6 @@ describe('Tabs', () => {
           />,
         )
 
-        // Assert
         const resultTab = screen.getByRole('button', { name: 'runLog.result' })
         const detailTab = screen.getByRole('button', { name: 'runLog.detail' })
         const tracingTab = screen.getByRole('button', { name: 'runLog.tracing' })
@@ -795,11 +657,9 @@ describe('Tabs', () => {
       })
 
       it('should handle unknown currentTab gracefully', () => {
-        // Arrange
         const mockSwitchTab = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tabs
             currentTab="UNKNOWN"
@@ -808,7 +668,6 @@ describe('Tabs', () => {
           />,
         )
 
-        // Assert - All tabs should be inactive
         const resultTab = screen.getByRole('button', { name: 'runLog.result' })
         const detailTab = screen.getByRole('button', { name: 'runLog.detail' })
         const tracingTab = screen.getByRole('button', { name: 'runLog.tracing' })
@@ -821,11 +680,9 @@ describe('Tabs', () => {
 
     describe('workflowRunningData prop', () => {
       it('should enable all tabs when workflowRunningData is provided', () => {
-        // Arrange
         const mockSwitchTab = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tabs
             currentTab="RESULT"
@@ -834,7 +691,6 @@ describe('Tabs', () => {
           />,
         )
 
-        // Assert
         const buttons = screen.getAllByRole('button')
         buttons.forEach((button) => {
           expect(button).not.toBeDisabled()
@@ -842,10 +698,8 @@ describe('Tabs', () => {
       })
 
       it('should disable all tabs when workflowRunningData is undefined', () => {
-        // Arrange
         const mockSwitchTab = vi.fn()
 
-        // Act
         render(
           <Tabs
             currentTab="RESULT"
@@ -854,7 +708,6 @@ describe('Tabs', () => {
           />,
         )
 
-        // Assert
         const buttons = screen.getAllByRole('button')
         buttons.forEach((button) => {
           expect(button).toBeDisabled()
@@ -863,11 +716,9 @@ describe('Tabs', () => {
       })
 
       it('should pass workflowRunningData to all Tab components', () => {
-        // Arrange
         const mockSwitchTab = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tabs
             currentTab="RESULT"
@@ -876,7 +727,6 @@ describe('Tabs', () => {
           />,
         )
 
-        // Assert - All tabs should be enabled (workflowRunningData passed)
         const buttons = screen.getAllByRole('button')
         buttons.forEach((button) => {
           expect(button).not.toHaveClass('opacity-30')
@@ -886,11 +736,9 @@ describe('Tabs', () => {
 
     describe('switchTab prop', () => {
       it('should pass switchTab function to Tab onClick', () => {
-        // Arrange
         const mockSwitchTab = vi.fn()
         const workflowData = createWorkflowRunningData()
 
-        // Act
         render(
           <Tabs
             currentTab="RESULT"
@@ -900,22 +748,16 @@ describe('Tabs', () => {
         )
         fireEvent.click(screen.getByRole('button', { name: 'runLog.detail' }))
 
-        // Assert
         expect(mockSwitchTab).toHaveBeenCalledWith('DETAIL')
       })
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Event Handlers Tests - Verify click behavior
-  // -------------------------------------------------------------------------
   describe('Event Handlers', () => {
     it('should call switchTab with RESULT when RESULT tab is clicked', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab="DETAIL"
@@ -925,16 +767,13 @@ describe('Tabs', () => {
       )
       fireEvent.click(screen.getByRole('button', { name: 'runLog.result' }))
 
-      // Assert
       expect(mockSwitchTab).toHaveBeenCalledWith('RESULT')
     })
 
     it('should call switchTab with DETAIL when DETAIL tab is clicked', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab="RESULT"
@@ -944,16 +783,13 @@ describe('Tabs', () => {
       )
       fireEvent.click(screen.getByRole('button', { name: 'runLog.detail' }))
 
-      // Assert
       expect(mockSwitchTab).toHaveBeenCalledWith('DETAIL')
     })
 
     it('should call switchTab with TRACING when TRACING tab is clicked', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab="RESULT"
@@ -963,15 +799,12 @@ describe('Tabs', () => {
       )
       fireEvent.click(screen.getByRole('button', { name: 'runLog.tracing' }))
 
-      // Assert
       expect(mockSwitchTab).toHaveBeenCalledWith('TRACING')
     })
 
     it('should not call switchTab when tabs are disabled', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
 
-      // Act
       render(
         <Tabs
           currentTab="RESULT"
@@ -985,16 +818,13 @@ describe('Tabs', () => {
         fireEvent.click(button)
       })
 
-      // Assert
       expect(mockSwitchTab).not.toHaveBeenCalled()
     })
 
     it('should allow clicking the currently active tab', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab="RESULT"
@@ -1004,17 +834,12 @@ describe('Tabs', () => {
       )
       fireEvent.click(screen.getByRole('button', { name: 'runLog.result' }))
 
-      // Assert
       expect(mockSwitchTab).toHaveBeenCalledWith('RESULT')
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Memoization Tests - Verify React.memo optimization
-  // -------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should not re-render when props are the same', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
       const renderSpy = vi.fn()
@@ -1025,7 +850,6 @@ describe('Tabs', () => {
       }
       const MemoizedTabsWithSpy = React.memo(TabsWithSpy)
 
-      // Act
       const { rerender } = render(
         <MemoizedTabsWithSpy
           currentTab="RESULT"
@@ -1034,7 +858,6 @@ describe('Tabs', () => {
         />,
       )
 
-      // Re-render with same props
       rerender(
         <MemoizedTabsWithSpy
           currentTab="RESULT"
@@ -1043,16 +866,13 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert - React.memo should prevent re-render with same props
       expect(renderSpy).toHaveBeenCalledTimes(1)
     })
 
     it('should re-render when currentTab changes', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       const { rerender } = render(
         <Tabs
           currentTab="RESULT"
@@ -1061,10 +881,8 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert initial state
       expect(screen.getByRole('button', { name: 'runLog.result' })).toHaveClass('text-text-primary')
 
-      // Rerender with changed prop
       rerender(
         <Tabs
           currentTab="DETAIL"
@@ -1073,17 +891,14 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert updated state
       expect(screen.getByRole('button', { name: 'runLog.result' })).toHaveClass('text-text-tertiary')
       expect(screen.getByRole('button', { name: 'runLog.detail' })).toHaveClass('text-text-primary')
     })
 
     it('should re-render when workflowRunningData changes from undefined to defined', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       const { rerender } = render(
         <Tabs
           currentTab="RESULT"
@@ -1092,13 +907,11 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert initial disabled state
       const buttons = screen.getAllByRole('button')
       buttons.forEach((button) => {
         expect(button).toBeDisabled()
       })
 
-      // Rerender with workflowRunningData
       rerender(
         <Tabs
           currentTab="RESULT"
@@ -1107,7 +920,6 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert enabled state
       const updatedButtons = screen.getAllByRole('button')
       updatedButtons.forEach((button) => {
         expect(button).not.toBeDisabled()
@@ -1115,16 +927,11 @@ describe('Tabs', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Edge Cases Tests - Verify boundary conditions
-  // -------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle empty string currentTab', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab=""
@@ -1133,7 +940,6 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert - All tabs should be inactive
       const buttons = screen.getAllByRole('button')
       buttons.forEach((button) => {
         expect(button).toHaveClass('text-text-tertiary')
@@ -1141,11 +947,9 @@ describe('Tabs', () => {
     })
 
     it('should handle case-sensitive tab values', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act - lowercase "result" should not match "RESULT"
       render(
         <Tabs
           currentTab="result"
@@ -1154,16 +958,13 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert - Result tab should not be active (case mismatch)
       expect(screen.getByRole('button', { name: 'runLog.result' })).toHaveClass('text-text-tertiary')
     })
 
     it('should handle whitespace in currentTab', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab=" RESULT "
@@ -1172,12 +973,10 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert - Should not match due to whitespace
       expect(screen.getByRole('button', { name: 'runLog.result' })).toHaveClass('text-text-tertiary')
     })
 
     it('should render correctly with minimal workflowRunningData', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const minimalWorkflowData: WorkflowRunningData = {
         result: {
@@ -1188,7 +987,6 @@ describe('Tabs', () => {
         },
       }
 
-      // Act
       render(
         <Tabs
           currentTab="RESULT"
@@ -1197,7 +995,6 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert
       const buttons = screen.getAllByRole('button')
       buttons.forEach((button) => {
         expect(button).not.toBeDisabled()
@@ -1205,11 +1002,9 @@ describe('Tabs', () => {
     })
 
     it('should maintain tab order (RESULT, DETAIL, TRACING)', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab="RESULT"
@@ -1218,7 +1013,6 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert
       const buttons = screen.getAllByRole('button')
       expect(buttons[0]).toHaveTextContent('runLog.result')
       expect(buttons[1]).toHaveTextContent('runLog.detail')
@@ -1226,16 +1020,11 @@ describe('Tabs', () => {
     })
   })
 
-  // -------------------------------------------------------------------------
-  // Integration Tests - Verify Tab and Tabs work together
-  // -------------------------------------------------------------------------
   describe('Integration', () => {
     it('should correctly pass all props to child Tab components', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act
       render(
         <Tabs
           currentTab="DETAIL"
@@ -1244,22 +1033,18 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert - Verify each tab has correct props
       const resultTab = screen.getByRole('button', { name: 'runLog.result' })
       const detailTab = screen.getByRole('button', { name: 'runLog.detail' })
       const tracingTab = screen.getByRole('button', { name: 'runLog.tracing' })
 
-      // Check active states
       expect(resultTab).toHaveClass('text-text-tertiary')
       expect(detailTab).toHaveClass('text-text-primary')
       expect(tracingTab).toHaveClass('text-text-tertiary')
 
-      // Check enabled states
       expect(resultTab).not.toBeDisabled()
       expect(detailTab).not.toBeDisabled()
       expect(tracingTab).not.toBeDisabled()
 
-      // Check click handlers
       fireEvent.click(resultTab)
       expect(mockSwitchTab).toHaveBeenCalledWith('RESULT')
 
@@ -1268,12 +1053,10 @@ describe('Tabs', () => {
     })
 
     it('should support full tab switching workflow', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
       let currentTab = 'RESULT'
 
-      // Act
       const { rerender } = render(
         <Tabs
           currentTab={currentTab}
@@ -1282,11 +1065,9 @@ describe('Tabs', () => {
         />,
       )
 
-      // Simulate clicking DETAIL tab
       fireEvent.click(screen.getByRole('button', { name: 'runLog.detail' }))
       expect(mockSwitchTab).toHaveBeenCalledWith('DETAIL')
 
-      // Update currentTab and rerender (simulating parent state update)
       currentTab = 'DETAIL'
       rerender(
         <Tabs
@@ -1296,14 +1077,11 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert DETAIL is now active
       expect(screen.getByRole('button', { name: 'runLog.detail' })).toHaveClass('text-text-primary')
 
-      // Simulate clicking TRACING tab
       fireEvent.click(screen.getByRole('button', { name: 'runLog.tracing' }))
       expect(mockSwitchTab).toHaveBeenCalledWith('TRACING')
 
-      // Update currentTab and rerender
       currentTab = 'TRACING'
       rerender(
         <Tabs
@@ -1313,16 +1091,13 @@ describe('Tabs', () => {
         />,
       )
 
-      // Assert TRACING is now active
       expect(screen.getByRole('button', { name: 'runLog.tracing' })).toHaveClass('text-text-primary')
     })
 
     it('should transition from disabled to enabled state', () => {
-      // Arrange
       const mockSwitchTab = vi.fn()
       const workflowData = createWorkflowRunningData()
 
-      // Act - Initial disabled state
       const { rerender } = render(
         <Tabs
           currentTab="RESULT"
@@ -1331,11 +1106,9 @@ describe('Tabs', () => {
         />,
       )
 
-      // Try clicking - should not trigger
       fireEvent.click(screen.getByRole('button', { name: 'runLog.detail' }))
       expect(mockSwitchTab).not.toHaveBeenCalled()
 
-      // Enable tabs
       rerender(
         <Tabs
           currentTab="RESULT"
@@ -1344,7 +1117,6 @@ describe('Tabs', () => {
         />,
       )
 
-      // Now click should work
       fireEvent.click(screen.getByRole('button', { name: 'runLog.detail' }))
       expect(mockSwitchTab).toHaveBeenCalledWith('DETAIL')
     })
diff --git a/web/app/components/rag-pipeline/components/rag-pipeline-header/index.spec.tsx b/web/app/components/rag-pipeline/components/rag-pipeline-header/__tests__/index.spec.tsx
similarity index 84%
rename from web/app/components/rag-pipeline/components/rag-pipeline-header/index.spec.tsx
rename to web/app/components/rag-pipeline/components/rag-pipeline-header/__tests__/index.spec.tsx
index 4f3465a920..0b858eaaa7 100644
--- a/web/app/components/rag-pipeline/components/rag-pipeline-header/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/rag-pipeline-header/__tests__/index.spec.tsx
@@ -3,21 +3,12 @@ import { fireEvent, render, screen, waitFor } from '@testing-library/react'
 import { createMockProviderContextValue } from '@/__mocks__/provider-context'
 import { WorkflowRunningStatus } from '@/app/components/workflow/types'
 
-// ============================================================================
-// Import Components After Mocks
-// ============================================================================
+import RagPipelineHeader from '../index'
+import InputFieldButton from '../input-field-button'
+import Publisher from '../publisher'
+import Popup from '../publisher/popup'
+import RunMode from '../run-mode'
 
-import RagPipelineHeader from './index'
-import InputFieldButton from './input-field-button'
-import Publisher from './publisher'
-import Popup from './publisher/popup'
-import RunMode from './run-mode'
-
-// ============================================================================
-// Mock External Dependencies
-// ============================================================================
-
-// Mock workflow store
 const mockSetShowInputFieldPanel = vi.fn()
 const mockSetShowEnvPanel = vi.fn()
 const mockSetIsPreparingDataSource = vi.fn()
@@ -51,7 +42,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock workflow hooks
 const mockHandleSyncWorkflowDraft = vi.fn()
 const mockHandleCheckBeforePublish = vi.fn().mockResolvedValue(true)
 const mockHandleStopRun = vi.fn()
@@ -72,7 +62,6 @@ vi.mock('@/app/components/workflow/hooks', () => ({
   }),
 }))
 
-// Mock Header component
 vi.mock('@/app/components/workflow/header', () => ({
   default: ({ normal, viewHistory }: {
     normal?: { components?: { left?: ReactNode, middle?: ReactNode }, runAndHistoryProps?: unknown }
@@ -87,21 +76,18 @@ vi.mock('@/app/components/workflow/header', () => ({
   ),
 }))
 
-// Mock next/navigation
 const mockPush = vi.fn()
 vi.mock('next/navigation', () => ({
   useParams: () => ({ datasetId: 'test-dataset-id' }),
   useRouter: () => ({ push: mockPush }),
 }))
 
-// Mock next/link
 vi.mock('next/link', () => ({
   default: ({ children, href, ...props }: PropsWithChildren<{ href: string }>) => (
     <a href={href} {...props}>{children}</a>
   ),
 }))
 
-// Mock service hooks
 const mockPublishWorkflow = vi.fn().mockResolvedValue({ created_at: Date.now() })
 const mockPublishAsCustomizedPipeline = vi.fn().mockResolvedValue({})
 
@@ -127,7 +113,6 @@ vi.mock('@/service/knowledge/use-dataset', () => ({
   useInvalidDatasetList: () => vi.fn(),
 }))
 
-// Mock context hooks
 const mockMutateDatasetRes = vi.fn()
 vi.mock('@/context/dataset-detail', () => ({
   useDatasetDetailContextWithSelector: () => mockMutateDatasetRes,
@@ -145,7 +130,6 @@ vi.mock('@/context/provider-context', () => ({
     selector(mockProviderContextValue),
 }))
 
-// Mock event emitter context
 const mockEventEmitter = {
   useSubscription: vi.fn(),
 }
@@ -156,7 +140,6 @@ vi.mock('@/context/event-emitter', () => ({
   }),
 }))
 
-// Mock hooks
 vi.mock('@/hooks/use-api-access-url', () => ({
   useDatasetApiAccessUrl: () => '/api/docs',
 }))
@@ -167,12 +150,10 @@ vi.mock('@/hooks/use-format-time-from-now', () => ({
   }),
 }))
 
-// Mock amplitude tracking
 vi.mock('@/app/components/base/amplitude', () => ({
   trackEvent: vi.fn(),
 }))
 
-// Mock toast context
 const mockNotify = vi.fn()
 vi.mock('@/app/components/base/toast', () => ({
   useToastContext: () => ({
@@ -180,13 +161,11 @@ vi.mock('@/app/components/base/toast', () => ({
   }),
 }))
 
-// Mock workflow utils
 vi.mock('@/app/components/workflow/utils', () => ({
   getKeyboardKeyCodeBySystem: (key: string) => key,
   getKeyboardKeyNameBySystem: (key: string) => key,
 }))
 
-// Mock ahooks
 vi.mock('ahooks', () => ({
   useBoolean: (initial: boolean) => {
     let value = initial
@@ -202,7 +181,6 @@ vi.mock('ahooks', () => ({
   useKeyPress: vi.fn(),
 }))
 
-// Mock portal components - keep actual behavior for open state
 let portalOpenState = false
 vi.mock('@/app/components/base/portal-to-follow-elem', () => ({
   PortalToFollowElem: ({ children, open, onOpenChange: _onOpenChange }: PropsWithChildren<{
@@ -224,8 +202,7 @@ vi.mock('@/app/components/base/portal-to-follow-elem', () => ({
   },
 }))
 
-// Mock PublishAsKnowledgePipelineModal
-vi.mock('../../publish-as-knowledge-pipeline-modal', () => ({
+vi.mock('../../../publish-as-knowledge-pipeline-modal', () => ({
   default: ({ onConfirm, onCancel }: {
     onConfirm: (name: string, icon: unknown, description?: string) => void
     onCancel: () => void
@@ -238,10 +215,6 @@ vi.mock('../../publish-as-knowledge-pipeline-modal', () => ({
   ),
 }))
 
-// ============================================================================
-// Test Suites
-// ============================================================================
-
 describe('RagPipelineHeader', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -259,9 +232,6 @@ describe('RagPipelineHeader', () => {
     mockProviderContextValue = createMockProviderContextValue()
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render without crashing', () => {
       render(<RagPipelineHeader />)
@@ -286,19 +256,14 @@ describe('RagPipelineHeader', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Memoization Tests
-  // --------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should compute viewHistoryProps based on pipelineId', () => {
-      // Test with first pipelineId
       mockStoreState.pipelineId = 'pipeline-alpha'
       const { unmount } = render(<RagPipelineHeader />)
       let viewHistoryContent = screen.getByTestId('header-view-history').textContent
       expect(viewHistoryContent).toContain('pipeline-alpha')
       unmount()
 
-      // Test with different pipelineId
       mockStoreState.pipelineId = 'pipeline-beta'
       render(<RagPipelineHeader />)
       viewHistoryContent = screen.getByTestId('header-view-history').textContent
@@ -320,9 +285,6 @@ describe('InputFieldButton', () => {
     mockStoreState.setShowEnvPanel = mockSetShowEnvPanel
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render button with correct text', () => {
       render(<InputFieldButton />)
@@ -337,9 +299,6 @@ describe('InputFieldButton', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Event Handler Tests
-  // --------------------------------------------------------------------------
   describe('Event Handlers', () => {
     it('should call setShowInputFieldPanel(true) when clicked', () => {
       render(<InputFieldButton />)
@@ -367,16 +326,12 @@ describe('InputFieldButton', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Edge Cases
-  // --------------------------------------------------------------------------
   describe('Edge Cases', () => {
     it('should handle undefined setShowInputFieldPanel gracefully', () => {
       mockStoreState.setShowInputFieldPanel = undefined as unknown as typeof mockSetShowInputFieldPanel
 
       render(<InputFieldButton />)
 
-      // Should not throw when clicked
       expect(() => fireEvent.click(screen.getByRole('button'))).not.toThrow()
     })
   })
@@ -388,9 +343,6 @@ describe('Publisher', () => {
     portalOpenState = false
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render publish button', () => {
       render(<Publisher />)
@@ -410,9 +362,6 @@ describe('Publisher', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Interaction Tests
-  // --------------------------------------------------------------------------
   describe('Interactions', () => {
     it('should call handleSyncWorkflowDraft when opening', () => {
       render(<Publisher />)
@@ -430,7 +379,6 @@ describe('Publisher', () => {
 
       fireEvent.click(screen.getByTestId('portal-trigger'))
 
-      // After click, handleOpenChange should be called
       expect(mockHandleSyncWorkflowDraft).toHaveBeenCalled()
     })
   })
@@ -447,9 +395,6 @@ describe('Popup', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render popup container', () => {
       render(<Popup />)
@@ -475,7 +420,6 @@ describe('Popup', () => {
     it('should render keyboard shortcuts', () => {
       render(<Popup />)
 
-      // Should show the keyboard shortcut keys
       expect(screen.getByText('ctrl')).toBeInTheDocument()
       expect(screen.getByText('⇧')).toBeInTheDocument()
       expect(screen.getByText('P')).toBeInTheDocument()
@@ -500,9 +444,6 @@ describe('Popup', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Button State Tests
-  // --------------------------------------------------------------------------
   describe('Button States', () => {
     it('should disable goToAddDocuments when not published', () => {
       mockStoreState.publishedAt = 0
@@ -532,9 +473,6 @@ describe('Popup', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Premium Badge Tests
-  // --------------------------------------------------------------------------
   describe('Premium Badge', () => {
     it('should show premium badge when not allowed to publish as template', () => {
       mockProviderContextValue = createMockProviderContextValue({
@@ -557,9 +495,6 @@ describe('Popup', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Interaction Tests
-  // --------------------------------------------------------------------------
   describe('Interactions', () => {
     it('should call handleCheckBeforePublish when publish button clicked', async () => {
       render(<Popup />)
@@ -598,9 +533,6 @@ describe('Popup', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Auto-save Display Tests
-  // --------------------------------------------------------------------------
   describe('Auto-save Display', () => {
     it('should show auto-saved time when not published', () => {
       mockStoreState.publishedAt = 0
@@ -629,9 +561,6 @@ describe('RunMode', () => {
     mockEventEmitterEnabled = true
   })
 
-  // --------------------------------------------------------------------------
-  // Rendering Tests
-  // --------------------------------------------------------------------------
   describe('Rendering', () => {
     it('should render run button with default text', () => {
       render(<RunMode />)
@@ -654,9 +583,6 @@ describe('RunMode', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Running State Tests
-  // --------------------------------------------------------------------------
   describe('Running States', () => {
     it('should show processing state when running', () => {
       mockStoreState.workflowRunningData = {
@@ -677,7 +603,6 @@ describe('RunMode', () => {
 
       render(<RunMode />)
 
-      // There should be two buttons: run button and stop button
       const buttons = screen.getAllByRole('button')
       expect(buttons.length).toBe(2)
     })
@@ -751,7 +676,6 @@ describe('RunMode', () => {
 
       render(<RunMode />)
 
-      // Should only have one button (run button)
       const buttons = screen.getAllByRole('button')
       expect(buttons.length).toBe(1)
     })
@@ -781,9 +705,6 @@ describe('RunMode', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Disabled State Tests
-  // --------------------------------------------------------------------------
   describe('Disabled States', () => {
     it('should be disabled when running', () => {
       mockStoreState.workflowRunningData = {
@@ -818,9 +739,6 @@ describe('RunMode', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Interaction Tests
-  // --------------------------------------------------------------------------
   describe('Interactions', () => {
     it('should call handleWorkflowStartRunInWorkflow when clicked', () => {
       render(<RunMode />)
@@ -838,7 +756,6 @@ describe('RunMode', () => {
 
       render(<RunMode />)
 
-      // Click the stop button (second button)
       const buttons = screen.getAllByRole('button')
       fireEvent.click(buttons[1])
 
@@ -850,7 +767,6 @@ describe('RunMode', () => {
 
       render(<RunMode />)
 
-      // Click the cancel button (second button)
       const buttons = screen.getAllByRole('button')
       fireEvent.click(buttons[1])
 
@@ -883,14 +799,10 @@ describe('RunMode', () => {
       const runButton = screen.getAllByRole('button')[0]
       fireEvent.click(runButton)
 
-      // Should not be called because button is disabled
       expect(mockHandleWorkflowStartRunInWorkflow).not.toHaveBeenCalled()
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Event Emitter Tests
-  // --------------------------------------------------------------------------
   describe('Event Emitter', () => {
     it('should subscribe to event emitter', () => {
       render(<RunMode />)
@@ -904,7 +816,6 @@ describe('RunMode', () => {
         result: { status: WorkflowRunningStatus.Running },
       }
 
-      // Capture the subscription callback
       let subscriptionCallback: ((v: { type: string }) => void) | null = null
       mockEventEmitter.useSubscription.mockImplementation((callback: (v: { type: string }) => void) => {
         subscriptionCallback = callback
@@ -912,7 +823,6 @@ describe('RunMode', () => {
 
       render(<RunMode />)
 
-      // Simulate the EVENT_WORKFLOW_STOP event (actual value is 'WORKFLOW_STOP')
       expect(subscriptionCallback).not.toBeNull()
       subscriptionCallback!({ type: 'WORKFLOW_STOP' })
 
@@ -932,7 +842,6 @@ describe('RunMode', () => {
 
       render(<RunMode />)
 
-      // Simulate a different event type
       subscriptionCallback!({ type: 'some_other_event' })
 
       expect(mockHandleStopRun).not.toHaveBeenCalled()
@@ -941,7 +850,6 @@ describe('RunMode', () => {
     it('should handle undefined eventEmitter gracefully', () => {
       mockEventEmitterEnabled = false
 
-      // Should not throw when eventEmitter is undefined
       expect(() => render(<RunMode />)).not.toThrow()
     })
 
@@ -951,14 +859,10 @@ describe('RunMode', () => {
 
       render(<RunMode />)
 
-      // useSubscription should not be called
       expect(mockEventEmitter.useSubscription).not.toHaveBeenCalled()
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Style Tests
-  // --------------------------------------------------------------------------
   describe('Styles', () => {
     it('should have rounded-md class when not disabled', () => {
       render(<RunMode />)
@@ -1053,21 +957,13 @@ describe('RunMode', () => {
     })
   })
 
-  // --------------------------------------------------------------------------
-  // Memoization Tests
-  // --------------------------------------------------------------------------
   describe('Memoization', () => {
     it('should be wrapped in React.memo', () => {
-      // RunMode is exported as default from run-mode.tsx with React.memo
-      // We can verify it's memoized by checking the component's $$typeof symbol
       expect((RunMode as unknown as { $$typeof: symbol }).$$typeof).toBe(Symbol.for('react.memo'))
     })
   })
 })
 
-// ============================================================================
-// Integration Tests
-// ============================================================================
 describe('Integration', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1087,10 +983,8 @@ describe('Integration', () => {
   it('should render all child components in RagPipelineHeader', () => {
     render(<RagPipelineHeader />)
 
-    // InputFieldButton
     expect(screen.getByText(/inputField/i)).toBeInTheDocument()
 
-    // Publisher (via header-middle slot)
     expect(screen.getByTestId('header-middle')).toBeInTheDocument()
   })
 
@@ -1104,9 +998,6 @@ describe('Integration', () => {
   })
 })
 
-// ============================================================================
-// Edge Cases
-// ============================================================================
 describe('Edge Cases', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -1136,20 +1027,17 @@ describe('Edge Cases', () => {
         result: undefined as unknown as { status: WorkflowRunningStatus },
       }
 
-      // Component will crash when accessing result.status - this documents current behavior
       expect(() => render(<RunMode />)).toThrow()
     })
   })
 
   describe('RunMode Edge Cases', () => {
     beforeEach(() => {
-      // Ensure clean state for each test
       mockStoreState.workflowRunningData = null
       mockStoreState.isPreparingDataSource = false
     })
 
     it('should handle both isPreparingDataSource and isRunning being true', () => {
-      // This shouldn't happen in practice, but test the priority
       mockStoreState.isPreparingDataSource = true
       mockStoreState.workflowRunningData = {
         task_id: 'task-123',
@@ -1158,7 +1046,6 @@ describe('Edge Cases', () => {
 
       render(<RunMode />)
 
-      // Button should be disabled
       const runButton = screen.getAllByRole('button')[0]
       expect(runButton).toBeDisabled()
     })
@@ -1169,7 +1056,6 @@ describe('Edge Cases', () => {
 
       render(<RunMode />)
 
-      // Verify the button is enabled and shows testRun text
       const button = screen.getByRole('button')
       expect(button).not.toBeDisabled()
       expect(button.textContent).toContain('pipeline.common.testRun')
@@ -1193,7 +1079,6 @@ describe('Edge Cases', () => {
 
       render(<RunMode text="Start Pipeline" />)
 
-      // Should show reRun, not custom text
       const button = screen.getByRole('button')
       expect(button.textContent).toContain('pipeline.common.reRun')
       expect(screen.queryByText('Start Pipeline')).not.toBeInTheDocument()
@@ -1205,7 +1090,6 @@ describe('Edge Cases', () => {
 
       render(<RunMode />)
 
-      // Verify keyboard shortcut elements exist
       expect(screen.getByText('alt')).toBeInTheDocument()
       expect(screen.getByText('R')).toBeInTheDocument()
     })
@@ -1216,7 +1100,6 @@ describe('Edge Cases', () => {
 
       render(<RunMode />)
 
-      // Should have svg icon in the button
       const button = screen.getByRole('button')
       expect(button.querySelector('svg')).toBeInTheDocument()
     })
@@ -1229,7 +1112,6 @@ describe('Edge Cases', () => {
 
       render(<RunMode />)
 
-      // Should have animate-spin class on the loader icon
       const runButton = screen.getAllByRole('button')[0]
       const spinningIcon = runButton.querySelector('.animate-spin')
       expect(spinningIcon).toBeInTheDocument()
@@ -1252,7 +1134,6 @@ describe('Edge Cases', () => {
 
       render(<Popup />)
 
-      // Should render without crashing
       expect(screen.getByText(/workflow.common.autoSaved/i)).toBeInTheDocument()
     })
 
diff --git a/web/app/components/rag-pipeline/components/rag-pipeline-header/run-mode.spec.tsx b/web/app/components/rag-pipeline/components/rag-pipeline-header/__tests__/run-mode.spec.tsx
similarity index 90%
rename from web/app/components/rag-pipeline/components/rag-pipeline-header/run-mode.spec.tsx
rename to web/app/components/rag-pipeline/components/rag-pipeline-header/__tests__/run-mode.spec.tsx
index 5448b30587..9ac47aae02 100644
--- a/web/app/components/rag-pipeline/components/rag-pipeline-header/run-mode.spec.tsx
+++ b/web/app/components/rag-pipeline/components/rag-pipeline-header/__tests__/run-mode.spec.tsx
@@ -1,7 +1,7 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 
-import RunMode from './run-mode'
+import RunMode from '../run-mode'
 
 const mockHandleWorkflowStartRunInWorkflow = vi.fn()
 const mockHandleStopRun = vi.fn()
@@ -10,13 +10,6 @@ const mockSetShowDebugAndPreviewPanel = vi.fn()
 
 let mockWorkflowRunningData: { task_id: string, result: { status: string } } | undefined
 let mockIsPreparingDataSource = false
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
-
 vi.mock('@/app/components/workflow/hooks', () => ({
   useWorkflowRun: () => ({
     handleStopRun: mockHandleStopRun,
@@ -86,7 +79,7 @@ describe('RunMode', () => {
     it('should render test run text when no data', () => {
       render(<RunMode />)
 
-      expect(screen.getByText('common.testRun')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.common.testRun')).toBeInTheDocument()
     })
 
     it('should render custom text when provided', () => {
@@ -110,7 +103,7 @@ describe('RunMode', () => {
     it('should call start run when button clicked', () => {
       render(<RunMode />)
 
-      fireEvent.click(screen.getByText('common.testRun'))
+      fireEvent.click(screen.getByText('pipeline.common.testRun'))
 
       expect(mockHandleWorkflowStartRunInWorkflow).toHaveBeenCalled()
     })
@@ -127,7 +120,7 @@ describe('RunMode', () => {
     it('should show processing text', () => {
       render(<RunMode />)
 
-      expect(screen.getByText('common.processing')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.common.processing')).toBeInTheDocument()
     })
 
     it('should show stop button', () => {
@@ -139,7 +132,7 @@ describe('RunMode', () => {
     it('should disable run button', () => {
       render(<RunMode />)
 
-      const button = screen.getByText('common.processing').closest('button')
+      const button = screen.getByText('pipeline.common.processing').closest('button')
       expect(button).toBeDisabled()
     })
 
@@ -160,7 +153,7 @@ describe('RunMode', () => {
       }
       render(<RunMode />)
 
-      expect(screen.getByText('common.reRun')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.common.reRun')).toBeInTheDocument()
     })
   })
 
@@ -172,7 +165,7 @@ describe('RunMode', () => {
     it('should show preparing text', () => {
       render(<RunMode />)
 
-      expect(screen.getByText('common.preparingDataSource')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.common.preparingDataSource')).toBeInTheDocument()
     })
 
     it('should show database icon', () => {
diff --git a/web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/index.spec.tsx b/web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/__tests__/index.spec.tsx
similarity index 81%
rename from web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/index.spec.tsx
rename to web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/__tests__/index.spec.tsx
index 2a01218ee6..0fc3bda7b3 100644
--- a/web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/index.spec.tsx
+++ b/web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/__tests__/index.spec.tsx
@@ -3,29 +3,21 @@ import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { fireEvent, render, screen, waitFor } from '@testing-library/react'
 import * as React from 'react'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
-import Publisher from './index'
-import Popup from './popup'
+import Publisher from '../index'
+import Popup from '../popup'
 
-// ================================
-// Mock External Dependencies Only
-// ================================
-
-// Mock next/navigation
 const mockPush = vi.fn()
 vi.mock('next/navigation', () => ({
   useParams: () => ({ datasetId: 'test-dataset-id' }),
   useRouter: () => ({ push: mockPush }),
 }))
 
-// Mock next/link
 vi.mock('next/link', () => ({
   default: ({ children, href, ...props }: { children: React.ReactNode, href: string }) => (
     <a href={href} {...props}>{children}</a>
   ),
 }))
 
-// Mock ahooks
-// Store the keyboard shortcut callback for testing
 let keyPressCallback: ((e: KeyboardEvent) => void) | null = null
 vi.mock('ahooks', () => ({
   useBoolean: (defaultValue = false) => {
@@ -37,17 +29,14 @@ vi.mock('ahooks', () => ({
     }]
   },
   useKeyPress: (key: string, callback: (e: KeyboardEvent) => void) => {
-    // Store the callback so we can invoke it in tests
     keyPressCallback = callback
   },
 }))
 
-// Mock amplitude tracking
 vi.mock('@/app/components/base/amplitude', () => ({
   trackEvent: vi.fn(),
 }))
 
-// Mock portal-to-follow-elem
 let mockPortalOpen = false
 vi.mock('@/app/components/base/portal-to-follow-elem', () => ({
   PortalToFollowElem: ({ children, open, onOpenChange: _onOpenChange }: {
@@ -76,7 +65,6 @@ vi.mock('@/app/components/base/portal-to-follow-elem', () => ({
   },
 }))
 
-// Mock workflow hooks
 const mockHandleSyncWorkflowDraft = vi.fn()
 const mockHandleCheckBeforePublish = vi.fn().mockResolvedValue(true)
 vi.mock('@/app/components/workflow/hooks', () => ({
@@ -88,7 +76,6 @@ vi.mock('@/app/components/workflow/hooks', () => ({
   }),
 }))
 
-// Mock workflow store
 const mockPublishedAt = vi.fn(() => null as number | null)
 const mockDraftUpdatedAt = vi.fn(() => 1700000000)
 const mockPipelineId = vi.fn(() => 'test-pipeline-id')
@@ -110,7 +97,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock dataset-detail context
 const mockMutateDatasetRes = vi.fn()
 vi.mock('@/context/dataset-detail', () => ({
   useDatasetDetailContextWithSelector: (selector: (s: Record<string, unknown>) => unknown) => {
@@ -119,13 +105,11 @@ vi.mock('@/context/dataset-detail', () => ({
   },
 }))
 
-// Mock modal-context
 const mockSetShowPricingModal = vi.fn()
 vi.mock('@/context/modal-context', () => ({
   useModalContextSelector: () => mockSetShowPricingModal,
 }))
 
-// Mock provider-context
 const mockIsAllowPublishAsCustomKnowledgePipelineTemplate = vi.fn(() => true)
 vi.mock('@/context/provider-context', () => ({
   useProviderContext: () => ({
@@ -135,7 +119,6 @@ vi.mock('@/context/provider-context', () => ({
     selector({ isAllowPublishAsCustomKnowledgePipelineTemplate: mockIsAllowPublishAsCustomKnowledgePipelineTemplate() }),
 }))
 
-// Mock toast context
 const mockNotify = vi.fn()
 vi.mock('@/app/components/base/toast', () => ({
   useToastContext: () => ({
@@ -143,12 +126,10 @@ vi.mock('@/app/components/base/toast', () => ({
   }),
 }))
 
-// Mock API access URL hook
 vi.mock('@/hooks/use-api-access-url', () => ({
   useDatasetApiAccessUrl: () => 'https://api.dify.ai/v1/datasets/test-dataset-id',
 }))
 
-// Mock format time hook
 vi.mock('@/hooks/use-format-time-from-now', () => ({
   useFormatTimeFromNow: () => ({
     formatTimeFromNow: (timestamp: number) => {
@@ -162,7 +143,6 @@ vi.mock('@/hooks/use-format-time-from-now', () => ({
   }),
 }))
 
-// Mock service hooks
 const mockPublishWorkflow = vi.fn()
 const mockPublishAsCustomizedPipeline = vi.fn()
 const mockInvalidPublishedPipelineInfo = vi.fn()
@@ -191,14 +171,12 @@ vi.mock('@/service/use-workflow', () => ({
   }),
 }))
 
-// Mock workflow utils
 vi.mock('@/app/components/workflow/utils', () => ({
   getKeyboardKeyCodeBySystem: (key: string) => key,
   getKeyboardKeyNameBySystem: (key: string) => key === 'ctrl' ? '⌘' : key,
 }))
 
-// Mock PublishAsKnowledgePipelineModal
-vi.mock('../../publish-as-knowledge-pipeline-modal', () => ({
+vi.mock('../../../publish-as-knowledge-pipeline-modal', () => ({
   default: ({ confirmDisabled, onConfirm, onCancel }: {
     confirmDisabled: boolean
     onConfirm: (name: string, icon: IconInfo, description?: string) => void
@@ -217,10 +195,6 @@ vi.mock('../../publish-as-knowledge-pipeline-modal', () => ({
   ),
 }))
 
-// ================================
-// Test Data Factories
-// ================================
-
 const createQueryClient = () => new QueryClient({
   defaultOptions: {
     queries: {
@@ -238,16 +212,11 @@ const renderWithQueryClient = (ui: React.ReactElement) => {
   )
 }
 
-// ================================
-// Test Suites
-// ================================
-
 describe('publisher', () => {
   beforeEach(() => {
     vi.clearAllMocks()
     mockPortalOpen = false
     keyPressCallback = null
-    // Reset mock return values to defaults
     mockPublishedAt.mockReturnValue(null)
     mockDraftUpdatedAt.mockReturnValue(1700000000)
     mockPipelineId.mockReturnValue('test-pipeline-id')
@@ -255,127 +224,90 @@ describe('publisher', () => {
     mockHandleCheckBeforePublish.mockResolvedValue(true)
   })
 
-  // ============================================================
-  // Publisher (index.tsx) - Main Entry Component Tests
-  // ============================================================
   describe('Publisher (index.tsx)', () => {
-    // --------------------------------
-    // Rendering Tests
-    // --------------------------------
     describe('Rendering', () => {
       it('should render publish button with correct text', () => {
-        // Arrange & Act
         renderWithQueryClient(<Publisher />)
 
-        // Assert
         expect(screen.getByRole('button')).toBeInTheDocument()
         expect(screen.getByText('workflow.common.publish')).toBeInTheDocument()
       })
 
       it('should render portal element in closed state by default', () => {
-        // Arrange & Act
         renderWithQueryClient(<Publisher />)
 
-        // Assert
         expect(screen.getByTestId('portal-elem')).toHaveAttribute('data-open', 'false')
         expect(screen.queryByTestId('portal-content')).not.toBeInTheDocument()
       })
 
       it('should render down arrow icon in button', () => {
-        // Arrange & Act
         renderWithQueryClient(<Publisher />)
 
-        // Assert
         const button = screen.getByRole('button')
         expect(button.querySelector('svg')).toBeInTheDocument()
       })
     })
 
-    // --------------------------------
-    // State Management Tests
-    // --------------------------------
     describe('State Management', () => {
       it('should open popup when trigger is clicked', async () => {
-        // Arrange
         renderWithQueryClient(<Publisher />)
 
-        // Act
         fireEvent.click(screen.getByTestId('portal-trigger'))
 
-        // Assert
         await waitFor(() => {
           expect(screen.getByTestId('portal-content')).toBeInTheDocument()
         })
       })
 
       it('should close popup when trigger is clicked again while open', async () => {
-        // Arrange
         renderWithQueryClient(<Publisher />)
         fireEvent.click(screen.getByTestId('portal-trigger')) // open
 
-        // Act
         await waitFor(() => {
           expect(screen.getByTestId('portal-content')).toBeInTheDocument()
         })
         fireEvent.click(screen.getByTestId('portal-trigger')) // close
 
-        // Assert
         await waitFor(() => {
           expect(screen.queryByTestId('portal-content')).not.toBeInTheDocument()
         })
       })
     })
 
-    // --------------------------------
-    // Callback Stability and Memoization Tests
-    // --------------------------------
     describe('Callback Stability and Memoization', () => {
       it('should call handleSyncWorkflowDraft when popup opens', async () => {
-        // Arrange
         renderWithQueryClient(<Publisher />)
 
-        // Act
         fireEvent.click(screen.getByTestId('portal-trigger'))
 
-        // Assert
         expect(mockHandleSyncWorkflowDraft).toHaveBeenCalledWith(true)
       })
 
       it('should not call handleSyncWorkflowDraft when popup closes', async () => {
-        // Arrange
         renderWithQueryClient(<Publisher />)
         fireEvent.click(screen.getByTestId('portal-trigger')) // open
         vi.clearAllMocks()
 
-        // Act
         await waitFor(() => {
           expect(screen.getByTestId('portal-content')).toBeInTheDocument()
         })
         fireEvent.click(screen.getByTestId('portal-trigger')) // close
 
-        // Assert
         expect(mockHandleSyncWorkflowDraft).not.toHaveBeenCalled()
       })
 
       it('should be memoized with React.memo', () => {
-        // Assert
         expect(Publisher).toBeDefined()
         expect((Publisher as unknown as { $$typeof?: symbol }).$$typeof?.toString()).toContain('Symbol')
       })
     })
 
-    // --------------------------------
-    // User Interactions Tests
-    // --------------------------------
     describe('User Interactions', () => {
       it('should render popup content when opened', async () => {
-        // Arrange
         renderWithQueryClient(<Publisher />)
 
-        // Act
         fireEvent.click(screen.getByTestId('portal-trigger'))
 
-        // Assert
         await waitFor(() => {
           expect(screen.getByTestId('portal-content')).toBeInTheDocument()
         })
@@ -383,68 +315,48 @@ describe('publisher', () => {
     })
   })
 
-  // ============================================================
-  // Popup (popup.tsx) - Main Popup Component Tests
-  // ============================================================
   describe('Popup (popup.tsx)', () => {
-    // --------------------------------
-    // Rendering Tests
-    // --------------------------------
     describe('Rendering', () => {
       it('should render unpublished state when publishedAt is null', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         expect(screen.getByText('workflow.common.currentDraftUnpublished')).toBeInTheDocument()
         expect(screen.getByText(/workflow.common.autoSaved/)).toBeInTheDocument()
       })
 
       it('should render published state when publishedAt has value', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         expect(screen.getByText('workflow.common.latestPublished')).toBeInTheDocument()
         expect(screen.getByText(/workflow.common.publishedAt/)).toBeInTheDocument()
       })
 
       it('should render publish button with keyboard shortcuts', () => {
-        // Arrange & Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         expect(publishButton).toBeInTheDocument()
       })
 
       it('should render action buttons section', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         expect(screen.getByText('pipeline.common.goToAddDocuments')).toBeInTheDocument()
         expect(screen.getByText('workflow.common.accessAPIReference')).toBeInTheDocument()
         expect(screen.getByText('pipeline.common.publishAs')).toBeInTheDocument()
       })
 
       it('should disable action buttons when not published', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         const addDocumentsButton = screen.getAllByRole('button').find(btn =>
           btn.textContent?.includes('pipeline.common.goToAddDocuments'),
         )
@@ -452,13 +364,10 @@ describe('publisher', () => {
       })
 
       it('should enable action buttons when published', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         const addDocumentsButton = screen.getAllByRole('button').find(btn =>
           btn.textContent?.includes('pipeline.common.goToAddDocuments'),
         )
@@ -466,137 +375,106 @@ describe('publisher', () => {
       })
 
       it('should show premium badge when publish as template is not allowed', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockIsAllowPublishAsCustomKnowledgePipelineTemplate.mockReturnValue(false)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         expect(screen.getByText('billing.upgradeBtn.encourageShort')).toBeInTheDocument()
       })
 
       it('should not show premium badge when publish as template is allowed', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockIsAllowPublishAsCustomKnowledgePipelineTemplate.mockReturnValue(true)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         expect(screen.queryByText('billing.upgradeBtn.encourageShort')).not.toBeInTheDocument()
       })
     })
 
-    // --------------------------------
-    // State Management Tests
-    // --------------------------------
     describe('State Management', () => {
       it('should show confirm modal when first publish attempt on unpublished pipeline', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert
         await waitFor(() => {
           expect(screen.getByText('pipeline.common.confirmPublish')).toBeInTheDocument()
         })
       })
 
       it('should not show confirm modal when already published', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert - should call publish directly without confirm
         await waitFor(() => {
           expect(mockPublishWorkflow).toHaveBeenCalled()
         })
       })
 
       it('should update to published state after successful publish', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert
         await waitFor(() => {
           expect(screen.getByRole('button', { name: /workflow.common.published/i })).toBeInTheDocument()
         })
       })
     })
 
-    // --------------------------------
-    // User Interactions Tests
-    // --------------------------------
     describe('User Interactions', () => {
       it('should navigate to add documents when go to add documents is clicked', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         renderWithQueryClient(<Popup />)
 
-        // Act
         const addDocumentsButton = screen.getAllByRole('button').find(btn =>
           btn.textContent?.includes('pipeline.common.goToAddDocuments'),
         )
         fireEvent.click(addDocumentsButton!)
 
-        // Assert
         expect(mockPush).toHaveBeenCalledWith('/datasets/test-dataset-id/documents/create-from-pipeline')
       })
 
       it('should show pricing modal when publish as template is clicked without permission', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockIsAllowPublishAsCustomKnowledgePipelineTemplate.mockReturnValue(false)
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishAsButton = screen.getAllByRole('button').find(btn =>
           btn.textContent?.includes('pipeline.common.publishAs'),
         )
         fireEvent.click(publishAsButton!)
 
-        // Assert
         expect(mockSetShowPricingModal).toHaveBeenCalled()
       })
 
       it('should show publish as knowledge pipeline modal when permitted', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockIsAllowPublishAsCustomKnowledgePipelineTemplate.mockReturnValue(true)
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishAsButton = screen.getAllByRole('button').find(btn =>
           btn.textContent?.includes('pipeline.common.publishAs'),
         )
         fireEvent.click(publishAsButton!)
 
-        // Assert
         await waitFor(() => {
           expect(screen.getByTestId('publish-as-knowledge-pipeline-modal')).toBeInTheDocument()
         })
       })
 
       it('should close publish as knowledge pipeline modal when cancel is clicked', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockIsAllowPublishAsCustomKnowledgePipelineTemplate.mockReturnValue(true)
         renderWithQueryClient(<Popup />)
@@ -610,17 +488,14 @@ describe('publisher', () => {
           expect(screen.getByTestId('publish-as-knowledge-pipeline-modal')).toBeInTheDocument()
         })
 
-        // Act
         fireEvent.click(screen.getByTestId('modal-cancel'))
 
-        // Assert
         await waitFor(() => {
           expect(screen.queryByTestId('publish-as-knowledge-pipeline-modal')).not.toBeInTheDocument()
         })
       })
 
       it('should call publishAsCustomizedPipeline when confirm is clicked in modal', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishAsCustomizedPipeline.mockResolvedValue({})
         renderWithQueryClient(<Popup />)
@@ -634,10 +509,8 @@ describe('publisher', () => {
           expect(screen.getByTestId('publish-as-knowledge-pipeline-modal')).toBeInTheDocument()
         })
 
-        // Act
         fireEvent.click(screen.getByTestId('modal-confirm'))
 
-        // Assert
         await waitFor(() => {
           expect(mockPublishAsCustomizedPipeline).toHaveBeenCalledWith({
             pipelineId: 'test-pipeline-id',
@@ -649,21 +522,15 @@ describe('publisher', () => {
       })
     })
 
-    // --------------------------------
-    // API Calls and Async Operations Tests
-    // --------------------------------
     describe('API Calls and Async Operations', () => {
       it('should call publishWorkflow API when publish button is clicked', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert
         await waitFor(() => {
           expect(mockPublishWorkflow).toHaveBeenCalledWith({
             url: '/rag/pipelines/test-pipeline-id/workflows/publish',
@@ -674,16 +541,13 @@ describe('publisher', () => {
       })
 
       it('should show success notification after publish', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert
         await waitFor(() => {
           expect(mockNotify).toHaveBeenCalledWith(
             expect.objectContaining({
@@ -695,32 +559,26 @@ describe('publisher', () => {
       })
 
       it('should update publishedAt in store after successful publish', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert
         await waitFor(() => {
           expect(mockSetPublishedAt).toHaveBeenCalledWith(1700100000)
         })
       })
 
       it('should invalidate caches after successful publish', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert
         await waitFor(() => {
           expect(mockMutateDatasetRes).toHaveBeenCalled()
           expect(mockInvalidPublishedPipelineInfo).toHaveBeenCalled()
@@ -729,7 +587,6 @@ describe('publisher', () => {
       })
 
       it('should show success notification for publish as template', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishAsCustomizedPipeline.mockResolvedValue({})
         renderWithQueryClient(<Popup />)
@@ -743,10 +600,8 @@ describe('publisher', () => {
           expect(screen.getByTestId('publish-as-knowledge-pipeline-modal')).toBeInTheDocument()
         })
 
-        // Act
         fireEvent.click(screen.getByTestId('modal-confirm'))
 
-        // Assert
         await waitFor(() => {
           expect(mockNotify).toHaveBeenCalledWith(
             expect.objectContaining({
@@ -758,7 +613,6 @@ describe('publisher', () => {
       })
 
       it('should invalidate customized template list after publish as template', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishAsCustomizedPipeline.mockResolvedValue({})
         renderWithQueryClient(<Popup />)
@@ -772,31 +626,23 @@ describe('publisher', () => {
           expect(screen.getByTestId('publish-as-knowledge-pipeline-modal')).toBeInTheDocument()
         })
 
-        // Act
         fireEvent.click(screen.getByTestId('modal-confirm'))
 
-        // Assert
         await waitFor(() => {
           expect(mockInvalidCustomizedTemplateList).toHaveBeenCalled()
         })
       })
     })
 
-    // --------------------------------
-    // Error Handling Tests
-    // --------------------------------
     describe('Error Handling', () => {
       it('should not proceed with publish when check fails', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockHandleCheckBeforePublish.mockResolvedValue(false)
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert - publishWorkflow should not be called when check fails
         await waitFor(() => {
           expect(mockHandleCheckBeforePublish).toHaveBeenCalled()
         })
@@ -804,16 +650,13 @@ describe('publisher', () => {
       })
 
       it('should show error notification when publish fails', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockRejectedValue(new Error('Publish failed'))
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert
         await waitFor(() => {
           expect(mockNotify).toHaveBeenCalledWith({
             type: 'error',
@@ -823,7 +666,6 @@ describe('publisher', () => {
       })
 
       it('should show error notification when publish as template fails', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishAsCustomizedPipeline.mockRejectedValue(new Error('Template publish failed'))
         renderWithQueryClient(<Popup />)
@@ -837,10 +679,8 @@ describe('publisher', () => {
           expect(screen.getByTestId('publish-as-knowledge-pipeline-modal')).toBeInTheDocument()
         })
 
-        // Act
         fireEvent.click(screen.getByTestId('modal-confirm'))
 
-        // Assert
         await waitFor(() => {
           expect(mockNotify).toHaveBeenCalledWith({
             type: 'error',
@@ -850,7 +690,6 @@ describe('publisher', () => {
       })
 
       it('should close modal after publish as template error', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishAsCustomizedPipeline.mockRejectedValue(new Error('Template publish failed'))
         renderWithQueryClient(<Popup />)
@@ -864,22 +703,16 @@ describe('publisher', () => {
           expect(screen.getByTestId('publish-as-knowledge-pipeline-modal')).toBeInTheDocument()
         })
 
-        // Act
         fireEvent.click(screen.getByTestId('modal-confirm'))
 
-        // Assert
         await waitFor(() => {
           expect(screen.queryByTestId('publish-as-knowledge-pipeline-modal')).not.toBeInTheDocument()
         })
       })
     })
 
-    // --------------------------------
-    // Confirm Modal Tests
-    // --------------------------------
     describe('Confirm Modal', () => {
       it('should hide confirm modal when cancel is clicked', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
         renderWithQueryClient(<Popup />)
 
@@ -890,7 +723,6 @@ describe('publisher', () => {
           expect(screen.getByText('pipeline.common.confirmPublish')).toBeInTheDocument()
         })
 
-        // Act - find and click cancel button in confirm modal
         const cancelButtons = screen.getAllByRole('button')
         const cancelButton = cancelButtons.find(btn =>
           btn.className.includes('cancel') || btn.textContent?.includes('Cancel'),
@@ -898,16 +730,11 @@ describe('publisher', () => {
         if (cancelButton)
           fireEvent.click(cancelButton)
 
-        // Trigger onCancel manually since we can't find the exact button
-        // The Confirm component has an onCancel prop that calls hideConfirm
-
-        // Assert - modal should be dismissable
         // Note: This test verifies the confirm modal can be displayed
         expect(screen.getByText('pipeline.common.confirmPublishContent')).toBeInTheDocument()
       })
 
       it('should publish when confirm is clicked in confirm modal', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
@@ -919,28 +746,19 @@ describe('publisher', () => {
           expect(screen.getByText('pipeline.common.confirmPublish')).toBeInTheDocument()
         })
 
-        // Assert - confirm modal content is displayed
         expect(screen.getByText('pipeline.common.confirmPublishContent')).toBeInTheDocument()
       })
     })
 
-    // --------------------------------
-    // Component Memoization Tests
-    // --------------------------------
     describe('Component Memoization', () => {
       it('should be memoized with React.memo', () => {
-        // Assert
         expect(Popup).toBeDefined()
         expect((Popup as unknown as { $$typeof?: symbol }).$$typeof?.toString()).toContain('Symbol')
       })
     })
 
-    // --------------------------------
-    // Prop Variations Tests
-    // --------------------------------
     describe('Prop Variations', () => {
       it('should display correct width when permission is allowed', () => {
-        // Test with permission
         mockIsAllowPublishAsCustomKnowledgePipelineTemplate.mockReturnValue(true)
         const { container } = renderWithQueryClient(<Popup />)
 
@@ -949,7 +767,6 @@ describe('publisher', () => {
       })
 
       it('should display correct width when permission is not allowed', () => {
-        // Test without permission
         mockIsAllowPublishAsCustomKnowledgePipelineTemplate.mockReturnValue(false)
         const { container } = renderWithQueryClient(<Popup />)
 
@@ -958,63 +775,45 @@ describe('publisher', () => {
       })
 
       it('should display draft updated time when not published', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
         mockDraftUpdatedAt.mockReturnValue(1700000000)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         expect(screen.getByText(/workflow.common.autoSaved/)).toBeInTheDocument()
       })
 
       it('should handle null draftUpdatedAt gracefully', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
         mockDraftUpdatedAt.mockReturnValue(0)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         expect(screen.getByText(/workflow.common.autoSaved/)).toBeInTheDocument()
       })
     })
 
-    // --------------------------------
-    // API Reference Link Tests
-    // --------------------------------
     describe('API Reference Link', () => {
       it('should render API reference link with correct href', () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
 
-        // Act
         renderWithQueryClient(<Popup />)
 
-        // Assert
         const apiLink = screen.getByRole('link')
         expect(apiLink).toHaveAttribute('href', 'https://api.dify.ai/v1/datasets/test-dataset-id')
         expect(apiLink).toHaveAttribute('target', '_blank')
       })
     })
 
-    // --------------------------------
-    // Keyboard Shortcut Tests
-    // --------------------------------
     describe('Keyboard Shortcuts', () => {
       it('should trigger publish when keyboard shortcut is pressed', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // Act - simulate keyboard shortcut
         const mockEvent = { preventDefault: vi.fn() } as unknown as KeyboardEvent
         keyPressCallback?.(mockEvent)
 
-        // Assert
         expect(mockEvent.preventDefault).toHaveBeenCalled()
         await waitFor(() => {
           expect(mockPublishWorkflow).toHaveBeenCalled()
@@ -1022,12 +821,10 @@ describe('publisher', () => {
       })
 
       it('should not trigger publish when already published in session', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // First publish via button click to set published state
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
@@ -1037,32 +834,26 @@ describe('publisher', () => {
 
         vi.clearAllMocks()
 
-        // Act - simulate keyboard shortcut after already published
         const mockEvent = { preventDefault: vi.fn() } as unknown as KeyboardEvent
         keyPressCallback?.(mockEvent)
 
-        // Assert - should return early without publishing
         expect(mockEvent.preventDefault).toHaveBeenCalled()
         expect(mockPublishWorkflow).not.toHaveBeenCalled()
       })
 
       it('should show confirm modal when shortcut pressed on unpublished pipeline', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
         renderWithQueryClient(<Popup />)
 
-        // Act - simulate keyboard shortcut
         const mockEvent = { preventDefault: vi.fn() } as unknown as KeyboardEvent
         keyPressCallback?.(mockEvent)
 
-        // Assert
         await waitFor(() => {
           expect(screen.getByText('pipeline.common.confirmPublish')).toBeInTheDocument()
         })
       })
 
       it('should not trigger duplicate publish via shortcut when already publishing', async () => {
-        // Arrange - create a promise that we can control
         let resolvePublish: () => void = () => {}
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockImplementation(() => new Promise((resolve) => {
@@ -1070,59 +861,45 @@ describe('publisher', () => {
         }))
         renderWithQueryClient(<Popup />)
 
-        // Act - trigger publish via keyboard shortcut first
         const mockEvent1 = { preventDefault: vi.fn() } as unknown as KeyboardEvent
         keyPressCallback?.(mockEvent1)
 
-        // Wait for the first publish to start (button becomes disabled)
         await waitFor(() => {
           const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
           expect(publishButton).toBeDisabled()
         })
 
-        // Try to trigger again via shortcut while publishing
         const mockEvent2 = { preventDefault: vi.fn() } as unknown as KeyboardEvent
         keyPressCallback?.(mockEvent2)
 
-        // Assert - only one call to publishWorkflow
         expect(mockPublishWorkflow).toHaveBeenCalledTimes(1)
 
-        // Cleanup - resolve the promise
         resolvePublish()
       })
     })
 
-    // --------------------------------
-    // Finally Block Cleanup Tests
-    // --------------------------------
     describe('Finally Block Cleanup', () => {
       it('should reset publishing state after successful publish', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert - button should be disabled during publishing, then show published
         await waitFor(() => {
           expect(screen.getByRole('button', { name: /workflow.common.published/i })).toBeInTheDocument()
         })
       })
 
       it('should reset publishing state after failed publish', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(1700000000)
         mockPublishWorkflow.mockRejectedValue(new Error('Publish failed'))
         renderWithQueryClient(<Popup />)
 
-        // Act
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
-        // Assert - should show error and button should be enabled again (not showing "published")
         await waitFor(() => {
           expect(mockNotify).toHaveBeenCalledWith({
             type: 'error',
@@ -1130,19 +907,16 @@ describe('publisher', () => {
           })
         })
 
-        // Button should still show publishUpdate since it wasn't successfully published
         await waitFor(() => {
           expect(screen.getByRole('button', { name: /workflow.common.publishUpdate/i })).toBeInTheDocument()
         })
       })
 
       it('should hide confirm modal after publish from confirm', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
         mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
         renderWithQueryClient(<Popup />)
 
-        // Show confirm modal first
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
@@ -1150,25 +924,18 @@ describe('publisher', () => {
           expect(screen.getByText('pipeline.common.confirmPublish')).toBeInTheDocument()
         })
 
-        // Act - trigger publish again (which happens when confirm is clicked)
-        // The mock for workflow hooks returns handleCheckBeforePublish that resolves to true
-        // We need to simulate the confirm button click which calls handlePublish again
-        // Since confirmVisible is now true and publishedAt is null, it should proceed to publish
         fireEvent.click(publishButton)
 
-        // Assert - confirm modal should be hidden after publish completes
         await waitFor(() => {
           expect(screen.getByRole('button', { name: /workflow.common.published/i })).toBeInTheDocument()
         })
       })
 
       it('should hide confirm modal after failed publish', async () => {
-        // Arrange
         mockPublishedAt.mockReturnValue(null)
         mockPublishWorkflow.mockRejectedValue(new Error('Publish failed'))
         renderWithQueryClient(<Popup />)
 
-        // Show confirm modal first
         const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
         fireEvent.click(publishButton)
 
@@ -1176,10 +943,8 @@ describe('publisher', () => {
           expect(screen.getByText('pipeline.common.confirmPublish')).toBeInTheDocument()
         })
 
-        // Act - trigger publish from confirm (call handlePublish when confirmVisible is true)
         fireEvent.click(publishButton)
 
-        // Assert - error notification should be shown
         await waitFor(() => {
           expect(mockNotify).toHaveBeenCalledWith({
             type: 'error',
@@ -1190,137 +955,104 @@ describe('publisher', () => {
     })
   })
 
-  // ============================================================
-  // Edge Cases
-  // ============================================================
   describe('Edge Cases', () => {
     it('should handle undefined pipelineId gracefully', () => {
-      // Arrange
       mockPipelineId.mockReturnValue('')
 
-      // Act
       renderWithQueryClient(<Popup />)
 
-      // Assert - should render without crashing
       expect(screen.getByText('workflow.common.currentDraftUnpublished')).toBeInTheDocument()
     })
 
     it('should handle empty publish response', async () => {
-      // Arrange
       mockPublishedAt.mockReturnValue(1700000000)
       mockPublishWorkflow.mockResolvedValue(null)
       renderWithQueryClient(<Popup />)
 
-      // Act
       const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
       fireEvent.click(publishButton)
 
-      // Assert - should not call setPublishedAt or notify when response is null
       await waitFor(() => {
         expect(mockPublishWorkflow).toHaveBeenCalled()
       })
-      // setPublishedAt should not be called because res is falsy
       expect(mockSetPublishedAt).not.toHaveBeenCalled()
     })
 
     it('should prevent multiple simultaneous publish calls', async () => {
-      // Arrange
       mockPublishedAt.mockReturnValue(1700000000)
-      // Create a promise that never resolves to simulate ongoing publish
       mockPublishWorkflow.mockImplementation(() => new Promise(() => {}))
       renderWithQueryClient(<Popup />)
 
-      // Act - click publish button multiple times rapidly
       const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
       fireEvent.click(publishButton)
 
-      // Wait for button to become disabled
       await waitFor(() => {
         expect(publishButton).toBeDisabled()
       })
 
-      // Try clicking again
       fireEvent.click(publishButton)
       fireEvent.click(publishButton)
 
-      // Assert - publishWorkflow should only be called once due to guard
       expect(mockPublishWorkflow).toHaveBeenCalledTimes(1)
     })
 
     it('should disable publish button when already published in session', async () => {
-      // Arrange
       mockPublishedAt.mockReturnValue(1700000000)
       mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
       renderWithQueryClient(<Popup />)
 
-      // Act - publish once
       const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
       fireEvent.click(publishButton)
 
-      // Assert - button should show "published" state
       await waitFor(() => {
         expect(screen.getByRole('button', { name: /workflow.common.published/i })).toBeDisabled()
       })
     })
 
     it('should not trigger publish when already publishing', async () => {
-      // Arrange
       mockPublishedAt.mockReturnValue(1700000000)
       mockPublishWorkflow.mockImplementation(() => new Promise(() => {})) // Never resolves
       renderWithQueryClient(<Popup />)
 
-      // Act
       const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
       fireEvent.click(publishButton)
 
-      // The button should be disabled while publishing
       await waitFor(() => {
         expect(publishButton).toBeDisabled()
       })
     })
   })
 
-  // ============================================================
-  // Integration Tests
-  // ============================================================
   describe('Integration Tests', () => {
     it('should complete full publish flow for unpublished pipeline', async () => {
-      // Arrange
       mockPublishedAt.mockReturnValue(null)
       mockPublishWorkflow.mockResolvedValue({ created_at: 1700100000 })
       renderWithQueryClient(<Popup />)
 
-      // Act - click publish to show confirm
       const publishButton = screen.getByRole('button', { name: /workflow.common.publishUpdate/i })
       fireEvent.click(publishButton)
 
-      // Assert - confirm modal should appear
       await waitFor(() => {
         expect(screen.getByText('pipeline.common.confirmPublish')).toBeInTheDocument()
       })
     })
 
     it('should complete full publish as template flow', async () => {
-      // Arrange
       mockPublishedAt.mockReturnValue(1700000000)
       mockPublishAsCustomizedPipeline.mockResolvedValue({})
       renderWithQueryClient(<Popup />)
 
-      // Act - click publish as template button
       const publishAsButton = screen.getAllByRole('button').find(btn =>
         btn.textContent?.includes('pipeline.common.publishAs'),
       )
       fireEvent.click(publishAsButton!)
 
-      // Assert - modal should appear
       await waitFor(() => {
         expect(screen.getByTestId('publish-as-knowledge-pipeline-modal')).toBeInTheDocument()
       })
 
-      // Act - confirm
       fireEvent.click(screen.getByTestId('modal-confirm'))
 
-      // Assert - success notification and modal closes
       await waitFor(() => {
         expect(mockNotify).toHaveBeenCalledWith(
           expect.objectContaining({
@@ -1332,18 +1064,14 @@ describe('publisher', () => {
     })
 
     it('should show Publisher button and open popup with Popup component', async () => {
-      // Arrange & Act
       renderWithQueryClient(<Publisher />)
 
-      // Click to open popup
       fireEvent.click(screen.getByTestId('portal-trigger'))
 
-      // Assert
       await waitFor(() => {
         expect(screen.getByTestId('portal-content')).toBeInTheDocument()
       })
 
-      // Verify sync was called when opening
       expect(mockHandleSyncWorkflowDraft).toHaveBeenCalledWith(true)
     })
   })
diff --git a/web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/popup.spec.tsx b/web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/__tests__/popup.spec.tsx
similarity index 87%
rename from web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/popup.spec.tsx
rename to web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/__tests__/popup.spec.tsx
index 10ae089e6e..71707721a4 100644
--- a/web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/popup.spec.tsx
+++ b/web/app/components/rag-pipeline/components/rag-pipeline-header/publisher/__tests__/popup.spec.tsx
@@ -1,7 +1,7 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
-import Popup from './popup'
+import Popup from '../popup'
 
 const mockPublishWorkflow = vi.fn().mockResolvedValue({ created_at: '2024-01-01T00:00:00Z' })
 const mockPublishAsCustomizedPipeline = vi.fn().mockResolvedValue({})
@@ -19,14 +19,6 @@ let mockPublishedAt: string | undefined = '2024-01-01T00:00:00Z'
 let mockDraftUpdatedAt: string | undefined = '2024-06-01T00:00:00Z'
 let mockPipelineId: string | undefined = 'pipeline-123'
 let mockIsAllowPublishAsCustom = true
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-  Trans: ({ i18nKey }: { i18nKey: string }) => <span>{i18nKey}</span>,
-}))
-
 vi.mock('next/navigation', () => ({
   useParams: () => ({ datasetId: 'ds-123' }),
   useRouter: () => ({ push: mockPush }),
@@ -40,7 +32,6 @@ vi.mock('next/link', () => ({
 
 vi.mock('ahooks', () => ({
   useBoolean: (initial: boolean) => {
-    // Simple implementation for testing
     const state = { value: initial }
     return [state.value, {
       setFalse: vi.fn(),
@@ -183,7 +174,7 @@ vi.mock('@/utils/classnames', () => ({
   cn: (...args: string[]) => args.filter(Boolean).join(' '),
 }))
 
-vi.mock('../../publish-as-knowledge-pipeline-modal', () => ({
+vi.mock('../../../publish-as-knowledge-pipeline-modal', () => ({
   default: ({ onConfirm, onCancel }: { onConfirm: (name: string, icon: unknown, desc: string) => void, onCancel: () => void }) => (
     <div data-testid="publish-as-modal">
       <button data-testid="publish-as-confirm" onClick={() => onConfirm('My Pipeline', { icon_type: 'emoji' }, 'desc')}>
@@ -218,41 +209,41 @@ describe('Popup', () => {
     it('should render when published', () => {
       render(<Popup />)
 
-      expect(screen.getByText('common.latestPublished')).toBeInTheDocument()
-      expect(screen.getByText(/common.publishedAt/)).toBeInTheDocument()
+      expect(screen.getByText('workflow.common.latestPublished')).toBeInTheDocument()
+      expect(screen.getByText(/workflow\.common\.publishedAt/)).toBeInTheDocument()
     })
 
     it('should render unpublished state', () => {
       mockPublishedAt = undefined
       render(<Popup />)
 
-      expect(screen.getByText('common.currentDraftUnpublished')).toBeInTheDocument()
-      expect(screen.getByText(/common.autoSaved/)).toBeInTheDocument()
+      expect(screen.getByText('workflow.common.currentDraftUnpublished')).toBeInTheDocument()
+      expect(screen.getByText(/workflow\.common\.autoSaved/)).toBeInTheDocument()
     })
 
     it('should render publish button with shortcuts', () => {
       render(<Popup />)
 
-      expect(screen.getByText('common.publishUpdate')).toBeInTheDocument()
+      expect(screen.getByText('workflow.common.publishUpdate')).toBeInTheDocument()
       expect(screen.getByTestId('shortcuts')).toBeInTheDocument()
     })
 
     it('should render "Go to Add Documents" button', () => {
       render(<Popup />)
 
-      expect(screen.getByText('common.goToAddDocuments')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.common.goToAddDocuments')).toBeInTheDocument()
     })
 
     it('should render "API Reference" button', () => {
       render(<Popup />)
 
-      expect(screen.getByText('common.accessAPIReference')).toBeInTheDocument()
+      expect(screen.getByText('workflow.common.accessAPIReference')).toBeInTheDocument()
     })
 
     it('should render "Publish As" button', () => {
       render(<Popup />)
 
-      expect(screen.getByText('common.publishAs')).toBeInTheDocument()
+      expect(screen.getByText('pipeline.common.publishAs')).toBeInTheDocument()
     })
   })
 
@@ -276,7 +267,7 @@ describe('Popup', () => {
     it('should navigate to add documents page', () => {
       render(<Popup />)
 
-      fireEvent.click(screen.getByText('common.goToAddDocuments'))
+      fireEvent.click(screen.getByText('pipeline.common.goToAddDocuments'))
 
       expect(mockPush).toHaveBeenCalledWith('/datasets/ds-123/documents/create-from-pipeline')
     })
@@ -287,7 +278,7 @@ describe('Popup', () => {
       mockPublishedAt = undefined
       render(<Popup />)
 
-      const btn = screen.getByText('common.goToAddDocuments').closest('button')
+      const btn = screen.getByText('pipeline.common.goToAddDocuments').closest('button')
       expect(btn).toBeDisabled()
     })
 
@@ -295,7 +286,7 @@ describe('Popup', () => {
       mockPublishedAt = undefined
       render(<Popup />)
 
-      const btn = screen.getByText('common.publishAs').closest('button')
+      const btn = screen.getByText('pipeline.common.publishAs').closest('button')
       expect(btn).toBeDisabled()
     })
   })
@@ -305,7 +296,7 @@ describe('Popup', () => {
       mockIsAllowPublishAsCustom = false
       render(<Popup />)
 
-      fireEvent.click(screen.getByText('common.publishAs'))
+      fireEvent.click(screen.getByText('pipeline.common.publishAs'))
 
       expect(mockSetShowPricingModal).toHaveBeenCalled()
     })
diff --git a/web/app/components/rag-pipeline/hooks/index.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/index.spec.ts
similarity index 92%
rename from web/app/components/rag-pipeline/hooks/index.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/index.spec.ts
index 3f1dccf4aa..4c60e5133c 100644
--- a/web/app/components/rag-pipeline/hooks/index.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/index.spec.ts
@@ -6,10 +6,6 @@ import { BlockEnum } from '@/app/components/workflow/types'
 import { Resolution, TransferMethod } from '@/types/app'
 import { FlowType } from '@/types/common'
 
-// ============================================================================
-// Import hooks after mocks
-// ============================================================================
-
 import {
   useAvailableNodesMetaData,
   useDSL,
@@ -20,16 +16,11 @@ import {
   usePipelineRefreshDraft,
   usePipelineRun,
   usePipelineStartRun,
-} from './index'
-import { useConfigsMap } from './use-configs-map'
-import { useConfigurations, useInitialData } from './use-input-fields'
-import { usePipelineTemplate } from './use-pipeline-template'
+} from '../index'
+import { useConfigsMap } from '../use-configs-map'
+import { useConfigurations, useInitialData } from '../use-input-fields'
+import { usePipelineTemplate } from '../use-pipeline-template'
 
-// ============================================================================
-// Mocks
-// ============================================================================
-
-// Mock the workflow store
 const _mockGetState = vi.fn()
 const mockUseStore = vi.fn()
 const mockUseWorkflowStore = vi.fn()
@@ -39,14 +30,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   useWorkflowStore: () => mockUseWorkflowStore(),
 }))
 
-// Mock react-i18next
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
-
-// Mock toast context
 const mockNotify = vi.fn()
 vi.mock('@/app/components/base/toast', () => ({
   useToastContext: () => ({
@@ -54,7 +37,6 @@ vi.mock('@/app/components/base/toast', () => ({
   }),
 }))
 
-// Mock event emitter context
 const mockEventEmit = vi.fn()
 vi.mock('@/context/event-emitter', () => ({
   useEventEmitterContextContext: () => ({
@@ -64,19 +46,16 @@ vi.mock('@/context/event-emitter', () => ({
   }),
 }))
 
-// Mock i18n docLink
 vi.mock('@/context/i18n', () => ({
   useDocLink: () => (path: string) => `https://docs.dify.ai${path}`,
 }))
 
-// Mock workflow constants
 vi.mock('@/app/components/workflow/constants', () => ({
   DSL_EXPORT_CHECK: 'DSL_EXPORT_CHECK',
   WORKFLOW_DATA_UPDATE: 'WORKFLOW_DATA_UPDATE',
   START_INITIAL_POSITION: { x: 100, y: 100 },
 }))
 
-// Mock workflow constants/node
 vi.mock('@/app/components/workflow/constants/node', () => ({
   WORKFLOW_COMMON_NODES: [
     {
@@ -90,7 +69,6 @@ vi.mock('@/app/components/workflow/constants/node', () => ({
   ],
 }))
 
-// Mock data source defaults
 vi.mock('@/app/components/workflow/nodes/data-source-empty/default', () => ({
   default: {
     metaData: { type: BlockEnum.DataSourceEmpty },
@@ -112,7 +90,6 @@ vi.mock('@/app/components/workflow/nodes/knowledge-base/default', () => ({
   },
 }))
 
-// Mock workflow utils with all needed exports
 vi.mock('@/app/components/workflow/utils', async (importOriginal) => {
   const actual = await importOriginal() as Record<string, unknown>
   return {
@@ -123,7 +100,6 @@ vi.mock('@/app/components/workflow/utils', async (importOriginal) => {
   }
 })
 
-// Mock pipeline service
 const mockExportPipelineConfig = vi.fn()
 vi.mock('@/service/use-pipeline', () => ({
   useExportPipelineDSL: () => ({
@@ -131,7 +107,6 @@ vi.mock('@/service/use-pipeline', () => ({
   }),
 }))
 
-// Mock workflow service
 vi.mock('@/service/workflow', () => ({
   fetchWorkflowDraft: vi.fn().mockResolvedValue({
     graph: { nodes: [], edges: [], viewport: {} },
@@ -139,10 +114,6 @@ vi.mock('@/service/workflow', () => ({
   }),
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('useConfigsMap', () => {
   beforeEach(() => {
     vi.clearAllMocks()
diff --git a/web/app/components/rag-pipeline/hooks/use-DSL.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-DSL.spec.ts
similarity index 90%
rename from web/app/components/rag-pipeline/hooks/use-DSL.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-DSL.spec.ts
index 295ed20bd8..c0b983052d 100644
--- a/web/app/components/rag-pipeline/hooks/use-DSL.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-DSL.spec.ts
@@ -1,8 +1,7 @@
 import { act, renderHook, waitFor } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-import { useDSL } from './use-DSL'
+import { useDSL } from '../use-DSL'
 
-// Mock dependencies
 const mockNotify = vi.fn()
 vi.mock('@/app/components/base/toast', () => ({
   useToastContext: () => ({ notify: mockNotify }),
@@ -14,7 +13,7 @@ vi.mock('@/context/event-emitter', () => ({
 }))
 
 const mockDoSyncWorkflowDraft = vi.fn()
-vi.mock('./use-nodes-sync-draft', () => ({
+vi.mock('../use-nodes-sync-draft', () => ({
   useNodesSyncDraft: () => ({ doSyncWorkflowDraft: mockDoSyncWorkflowDraft }),
 }))
 
@@ -37,21 +36,10 @@ const mockDownloadBlob = vi.fn()
 vi.mock('@/utils/download', () => ({
   downloadBlob: (...args: unknown[]) => mockDownloadBlob(...args),
 }))
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
-
 vi.mock('@/app/components/workflow/constants', () => ({
   DSL_EXPORT_CHECK: 'DSL_EXPORT_CHECK',
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('useDSL', () => {
   let mockLink: { href: string, download: string, click: ReturnType<typeof vi.fn>, style: { display: string }, remove: ReturnType<typeof vi.fn> }
   let originalCreateElement: typeof document.createElement
@@ -62,7 +50,6 @@ describe('useDSL', () => {
   beforeEach(() => {
     vi.clearAllMocks()
 
-    // Create a proper mock link element with all required properties for downloadBlob
     mockLink = {
       href: '',
       download: '',
@@ -71,7 +58,6 @@ describe('useDSL', () => {
       remove: vi.fn(),
     }
 
-    // Save original and mock selectively - only intercept 'a' elements
     originalCreateElement = document.createElement.bind(document)
     document.createElement = vi.fn((tagName: string) => {
       if (tagName === 'a') {
@@ -80,15 +66,12 @@ describe('useDSL', () => {
       return originalCreateElement(tagName)
     }) as typeof document.createElement
 
-    // Mock document.body.appendChild for downloadBlob
     originalAppendChild = document.body.appendChild.bind(document.body)
     document.body.appendChild = vi.fn(<T extends Node>(node: T): T => node) as typeof document.body.appendChild
 
-    // downloadBlob uses window.URL, not URL
     mockCreateObjectURL = vi.spyOn(window.URL, 'createObjectURL').mockReturnValue('blob:test-url')
     mockRevokeObjectURL = vi.spyOn(window.URL, 'revokeObjectURL').mockImplementation(() => {})
 
-    // Default store state
     mockGetState.mockReturnValue({
       pipelineId: 'test-pipeline-id',
       knowledgeName: 'Test Knowledge Base',
@@ -170,7 +153,7 @@ describe('useDSL', () => {
       await waitFor(() => {
         expect(mockNotify).toHaveBeenCalledWith({
           type: 'error',
-          message: 'exportFailed',
+          message: 'app.exportFailed',
         })
       })
     })
@@ -251,7 +234,7 @@ describe('useDSL', () => {
       await waitFor(() => {
         expect(mockNotify).toHaveBeenCalledWith({
           type: 'error',
-          message: 'exportFailed',
+          message: 'app.exportFailed',
         })
       })
     })
diff --git a/web/app/components/rag-pipeline/hooks/use-available-nodes-meta-data.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-available-nodes-meta-data.spec.ts
similarity index 93%
rename from web/app/components/rag-pipeline/hooks/use-available-nodes-meta-data.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-available-nodes-meta-data.spec.ts
index 772a4d58a1..f3d04533da 100644
--- a/web/app/components/rag-pipeline/hooks/use-available-nodes-meta-data.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-available-nodes-meta-data.spec.ts
@@ -1,13 +1,7 @@
 import { renderHook } from '@testing-library/react'
 import { describe, expect, it, vi } from 'vitest'
 import { BlockEnum } from '@/app/components/workflow/types'
-import { useAvailableNodesMetaData } from './use-available-nodes-meta-data'
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
+import { useAvailableNodesMetaData } from '../use-available-nodes-meta-data'
 
 vi.mock('@/context/i18n', () => ({
   useDocLink: () => (path?: string) => `https://docs.dify.ai${path || ''}`,
@@ -86,8 +80,8 @@ describe('useAvailableNodesMetaData', () => {
     const { result } = renderHook(() => useAvailableNodesMetaData())
 
     result.current.nodes.forEach((node) => {
-      expect(node.metaData.title).toMatch(/^blocks\./)
-      expect(node.metaData.description).toMatch(/^blocksAbout\./)
+      expect(node.metaData.title).toMatch(/^workflow\.blocks\./)
+      expect(node.metaData.description).toMatch(/^workflow\.blocksAbout\./)
     })
   })
 
diff --git a/web/app/components/rag-pipeline/hooks/use-configs-map.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-configs-map.spec.ts
similarity index 97%
rename from web/app/components/rag-pipeline/hooks/use-configs-map.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-configs-map.spec.ts
index c0ae95e3df..6e5bedd122 100644
--- a/web/app/components/rag-pipeline/hooks/use-configs-map.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-configs-map.spec.ts
@@ -1,7 +1,7 @@
 import { renderHook } from '@testing-library/react'
 import { describe, expect, it, vi } from 'vitest'
 
-import { useConfigsMap } from './use-configs-map'
+import { useConfigsMap } from '../use-configs-map'
 
 const mockPipelineId = 'pipeline-xyz'
 const mockFileUploadConfig = { max_size: 10 }
diff --git a/web/app/components/rag-pipeline/hooks/use-get-run-and-trace-url.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-get-run-and-trace-url.spec.ts
similarity index 95%
rename from web/app/components/rag-pipeline/hooks/use-get-run-and-trace-url.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-get-run-and-trace-url.spec.ts
index f7ac40a22f..10f31f55a6 100644
--- a/web/app/components/rag-pipeline/hooks/use-get-run-and-trace-url.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-get-run-and-trace-url.spec.ts
@@ -1,7 +1,7 @@
 import { renderHook } from '@testing-library/react'
 import { describe, expect, it, vi } from 'vitest'
 
-import { useGetRunAndTraceUrl } from './use-get-run-and-trace-url'
+import { useGetRunAndTraceUrl } from '../use-get-run-and-trace-url'
 
 vi.mock('@/app/components/workflow/store', () => ({
   useWorkflowStore: () => ({
diff --git a/web/app/components/rag-pipeline/hooks/use-input-field-panel.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-input-field-panel.spec.ts
similarity index 98%
rename from web/app/components/rag-pipeline/hooks/use-input-field-panel.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-input-field-panel.spec.ts
index 2bfcb04115..d8c335e489 100644
--- a/web/app/components/rag-pipeline/hooks/use-input-field-panel.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-input-field-panel.spec.ts
@@ -1,7 +1,7 @@
 import { act, renderHook } from '@testing-library/react'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 
-import { useInputFieldPanel } from './use-input-field-panel'
+import { useInputFieldPanel } from '../use-input-field-panel'
 
 const mockSetShowInputFieldPanel = vi.fn()
 const mockSetShowInputFieldPreviewPanel = vi.fn()
diff --git a/web/app/components/rag-pipeline/hooks/use-input-fields.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-input-fields.spec.ts
similarity index 99%
rename from web/app/components/rag-pipeline/hooks/use-input-fields.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-input-fields.spec.ts
index 299a26bee9..ad6f97a2f4 100644
--- a/web/app/components/rag-pipeline/hooks/use-input-fields.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-input-fields.spec.ts
@@ -2,7 +2,7 @@ import type { RAGPipelineVariables } from '@/models/pipeline'
 import { renderHook } from '@testing-library/react'
 import { describe, expect, it, vi } from 'vitest'
 import { BaseFieldType } from '@/app/components/base/form/form-scenarios/base/types'
-import { useConfigurations, useInitialData } from './use-input-fields'
+import { useConfigurations, useInitialData } from '../use-input-fields'
 
 vi.mock('@/models/pipeline', () => ({
   VAR_TYPE_MAP: {
diff --git a/web/app/components/rag-pipeline/hooks/use-nodes-sync-draft.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-nodes-sync-draft.spec.ts
similarity index 93%
rename from web/app/components/rag-pipeline/hooks/use-nodes-sync-draft.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-nodes-sync-draft.spec.ts
index 5788c860d1..82635a75b3 100644
--- a/web/app/components/rag-pipeline/hooks/use-nodes-sync-draft.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-nodes-sync-draft.spec.ts
@@ -2,17 +2,8 @@ import { renderHook } from '@testing-library/react'
 import { act } from 'react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
-// ============================================================================
-// Import after mocks
-// ============================================================================
+import { useNodesSyncDraft } from '../use-nodes-sync-draft'
 
-import { useNodesSyncDraft } from './use-nodes-sync-draft'
-
-// ============================================================================
-// Mocks
-// ============================================================================
-
-// Mock reactflow
 const mockGetNodes = vi.fn()
 const mockStoreGetState = vi.fn()
 
@@ -22,7 +13,6 @@ vi.mock('reactflow', () => ({
   }),
 }))
 
-// Mock workflow store
 const mockWorkflowStoreGetState = vi.fn()
 vi.mock('@/app/components/workflow/store', () => ({
   useWorkflowStore: () => ({
@@ -30,7 +20,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock useNodesReadOnly
 const mockGetNodesReadOnly = vi.fn()
 vi.mock('@/app/components/workflow/hooks/use-workflow', () => ({
   useNodesReadOnly: () => ({
@@ -38,7 +27,6 @@ vi.mock('@/app/components/workflow/hooks/use-workflow', () => ({
   }),
 }))
 
-// Mock useSerialAsyncCallback - must pass through arguments
 vi.mock('@/app/components/workflow/hooks/use-serial-async-callback', () => ({
   useSerialAsyncCallback: (fn: (...args: unknown[]) => Promise<void>, checkFn: () => boolean) => {
     return (...args: unknown[]) => {
@@ -49,13 +37,11 @@ vi.mock('@/app/components/workflow/hooks/use-serial-async-callback', () => ({
   },
 }))
 
-// Mock service
 const mockSyncWorkflowDraft = vi.fn()
 vi.mock('@/service/workflow', () => ({
   syncWorkflowDraft: (params: unknown) => mockSyncWorkflowDraft(params),
 }))
 
-// Mock usePipelineRefreshDraft
 const mockHandleRefreshWorkflowDraft = vi.fn()
 vi.mock('@/app/components/rag-pipeline/hooks', () => ({
   usePipelineRefreshDraft: () => ({
@@ -63,26 +49,19 @@ vi.mock('@/app/components/rag-pipeline/hooks', () => ({
   }),
 }))
 
-// Mock API_PREFIX
 vi.mock('@/config', () => ({
   API_PREFIX: '/api',
 }))
 
-// Mock postWithKeepalive from service/fetch
 const mockPostWithKeepalive = vi.fn()
 vi.mock('@/service/fetch', () => ({
   postWithKeepalive: (...args: unknown[]) => mockPostWithKeepalive(...args),
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('useNodesSyncDraft', () => {
   beforeEach(() => {
     vi.clearAllMocks()
 
-    // Default store state
     mockStoreGetState.mockReturnValue({
       getNodes: mockGetNodes,
       edges: [],
@@ -204,7 +183,6 @@ describe('useNodesSyncDraft', () => {
         result.current.syncWorkflowDraftWhenPageClose()
       })
 
-      // Should not call postWithKeepalive because after filtering temp nodes, array is empty
       expect(mockPostWithKeepalive).not.toHaveBeenCalled()
     })
 
@@ -347,7 +325,6 @@ describe('useNodesSyncDraft', () => {
         await result.current.doSyncWorkflowDraft(false)
       })
 
-      // Wait for json to be called
       await new Promise(resolve => setTimeout(resolve, 0))
 
       expect(mockHandleRefreshWorkflowDraft).toHaveBeenCalled()
@@ -371,7 +348,6 @@ describe('useNodesSyncDraft', () => {
         await result.current.doSyncWorkflowDraft(true)
       })
 
-      // Wait for json to be called
       await new Promise(resolve => setTimeout(resolve, 0))
 
       expect(mockHandleRefreshWorkflowDraft).not.toHaveBeenCalled()
diff --git a/web/app/components/rag-pipeline/hooks/use-pipeline-config.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-config.spec.ts
similarity index 92%
rename from web/app/components/rag-pipeline/hooks/use-pipeline-config.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-config.spec.ts
index 491d2828d8..0b2c68bf68 100644
--- a/web/app/components/rag-pipeline/hooks/use-pipeline-config.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-config.spec.ts
@@ -1,17 +1,8 @@
 import { renderHook } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
-// ============================================================================
-// Import after mocks
-// ============================================================================
+import { usePipelineConfig } from '../use-pipeline-config'
 
-import { usePipelineConfig } from './use-pipeline-config'
-
-// ============================================================================
-// Mocks
-// ============================================================================
-
-// Mock workflow store
 const mockUseStore = vi.fn()
 const mockWorkflowStoreGetState = vi.fn()
 
@@ -22,27 +13,20 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock useWorkflowConfig
 const mockUseWorkflowConfig = vi.fn()
 vi.mock('@/service/use-workflow', () => ({
   useWorkflowConfig: (url: string, callback: (data: unknown) => void) => mockUseWorkflowConfig(url, callback),
 }))
 
-// Mock useDataSourceList
 const mockUseDataSourceList = vi.fn()
 vi.mock('@/service/use-pipeline', () => ({
   useDataSourceList: (enabled: boolean, callback: (data: unknown) => void) => mockUseDataSourceList(enabled, callback),
 }))
 
-// Mock basePath
 vi.mock('@/utils/var', () => ({
   basePath: '/base',
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('usePipelineConfig', () => {
   const mockSetNodesDefaultConfigs = vi.fn()
   const mockSetPublishedAt = vi.fn()
@@ -239,7 +223,6 @@ describe('usePipelineConfig', () => {
 
       capturedCallback?.(dataSourceList)
 
-      // The callback modifies the array in place
       expect(dataSourceList[0].declaration.identity.icon).toBe('/base/icon.png')
     })
 
@@ -274,7 +257,6 @@ describe('usePipelineConfig', () => {
 
       capturedCallback?.(dataSourceList)
 
-      // Should not modify object icon
       expect(dataSourceList[0].declaration.identity.icon).toEqual({ url: '/icon.png' })
     })
   })
diff --git a/web/app/components/rag-pipeline/hooks/use-pipeline-init.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-init.spec.ts
similarity index 92%
rename from web/app/components/rag-pipeline/hooks/use-pipeline-init.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-init.spec.ts
index 3938525311..1ed50e820f 100644
--- a/web/app/components/rag-pipeline/hooks/use-pipeline-init.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-init.spec.ts
@@ -1,17 +1,8 @@
 import { renderHook, waitFor } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
-// ============================================================================
-// Import after mocks
-// ============================================================================
+import { usePipelineInit } from '../use-pipeline-init'
 
-import { usePipelineInit } from './use-pipeline-init'
-
-// ============================================================================
-// Mocks
-// ============================================================================
-
-// Mock workflow store
 const mockWorkflowStoreGetState = vi.fn()
 const mockWorkflowStoreSetState = vi.fn()
 vi.mock('@/app/components/workflow/store', () => ({
@@ -21,14 +12,12 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock dataset detail context
 const mockUseDatasetDetailContextWithSelector = vi.fn()
 vi.mock('@/context/dataset-detail', () => ({
   useDatasetDetailContextWithSelector: (selector: (state: Record<string, unknown>) => unknown) =>
     mockUseDatasetDetailContextWithSelector(selector),
 }))
 
-// Mock workflow service
 const mockFetchWorkflowDraft = vi.fn()
 const mockSyncWorkflowDraft = vi.fn()
 vi.mock('@/service/workflow', () => ({
@@ -36,23 +25,17 @@ vi.mock('@/service/workflow', () => ({
   syncWorkflowDraft: (params: unknown) => mockSyncWorkflowDraft(params),
 }))
 
-// Mock usePipelineConfig
-vi.mock('./use-pipeline-config', () => ({
+vi.mock('../use-pipeline-config', () => ({
   usePipelineConfig: vi.fn(),
 }))
 
-// Mock usePipelineTemplate
-vi.mock('./use-pipeline-template', () => ({
+vi.mock('../use-pipeline-template', () => ({
   usePipelineTemplate: () => ({
     nodes: [{ id: 'template-node' }],
     edges: [],
   }),
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('usePipelineInit', () => {
   const mockSetEnvSecrets = vi.fn()
   const mockSetEnvironmentVariables = vi.fn()
@@ -283,7 +266,6 @@ describe('usePipelineInit', () => {
       mockFetchWorkflowDraft.mockRejectedValueOnce(mockJsonError)
       mockSyncWorkflowDraft.mockResolvedValue({ updated_at: '2024-01-02T00:00:00Z' })
 
-      // Second fetch succeeds
       mockFetchWorkflowDraft.mockResolvedValueOnce({
         graph: { nodes: [], edges: [], viewport: {} },
         hash: 'new-hash',
diff --git a/web/app/components/rag-pipeline/hooks/use-pipeline-refresh-draft.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-refresh-draft.spec.ts
similarity index 90%
rename from web/app/components/rag-pipeline/hooks/use-pipeline-refresh-draft.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-refresh-draft.spec.ts
index efdb18b7d4..4ad8bc4582 100644
--- a/web/app/components/rag-pipeline/hooks/use-pipeline-refresh-draft.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-refresh-draft.spec.ts
@@ -2,17 +2,8 @@ import { renderHook, waitFor } from '@testing-library/react'
 import { act } from 'react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
-// ============================================================================
-// Import after mocks
-// ============================================================================
+import { usePipelineRefreshDraft } from '../use-pipeline-refresh-draft'
 
-import { usePipelineRefreshDraft } from './use-pipeline-refresh-draft'
-
-// ============================================================================
-// Mocks
-// ============================================================================
-
-// Mock workflow store
 const mockWorkflowStoreGetState = vi.fn()
 vi.mock('@/app/components/workflow/store', () => ({
   useWorkflowStore: () => ({
@@ -20,7 +11,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock useWorkflowUpdate
 const mockHandleUpdateWorkflowCanvas = vi.fn()
 vi.mock('@/app/components/workflow/hooks', () => ({
   useWorkflowUpdate: () => ({
@@ -28,24 +18,18 @@ vi.mock('@/app/components/workflow/hooks', () => ({
   }),
 }))
 
-// Mock workflow service
 const mockFetchWorkflowDraft = vi.fn()
 vi.mock('@/service/workflow', () => ({
   fetchWorkflowDraft: (url: string) => mockFetchWorkflowDraft(url),
 }))
 
-// Mock utils
-vi.mock('../utils', () => ({
+vi.mock('../../utils', () => ({
   processNodesWithoutDataSource: (nodes: unknown[], viewport: unknown) => ({
     nodes,
     viewport,
   }),
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('usePipelineRefreshDraft', () => {
   const mockSetSyncWorkflowDraftHash = vi.fn()
   const mockSetIsSyncingWorkflowDraft = vi.fn()
diff --git a/web/app/components/rag-pipeline/hooks/use-pipeline-run.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-run.spec.ts
similarity index 96%
rename from web/app/components/rag-pipeline/hooks/use-pipeline-run.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-run.spec.ts
index 49527e3b90..ba33f584e2 100644
--- a/web/app/components/rag-pipeline/hooks/use-pipeline-run.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-run.spec.ts
@@ -4,17 +4,8 @@ import { act } from 'react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { WorkflowRunningStatus } from '@/app/components/workflow/types'
 
-// ============================================================================
-// Import after mocks
-// ============================================================================
+import { usePipelineRun } from '../use-pipeline-run'
 
-import { usePipelineRun } from './use-pipeline-run'
-
-// ============================================================================
-// Mocks
-// ============================================================================
-
-// Mock reactflow
 const mockStoreGetState = vi.fn()
 const mockGetViewport = vi.fn()
 vi.mock('reactflow', () => ({
@@ -26,7 +17,6 @@ vi.mock('reactflow', () => ({
   }),
 }))
 
-// Mock workflow store
 const mockUseStore = vi.fn()
 const mockWorkflowStoreGetState = vi.fn()
 const mockWorkflowStoreSetState = vi.fn()
@@ -38,15 +28,13 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock useNodesSyncDraft
 const mockDoSyncWorkflowDraft = vi.fn()
-vi.mock('./use-nodes-sync-draft', () => ({
+vi.mock('../use-nodes-sync-draft', () => ({
   useNodesSyncDraft: () => ({
     doSyncWorkflowDraft: mockDoSyncWorkflowDraft,
   }),
 }))
 
-// Mock workflow hooks
 vi.mock('@/app/components/workflow/hooks/use-fetch-workflow-inspect-vars', () => ({
   useSetWorkflowVarsWithValue: () => ({
     fetchInspectVars: vi.fn(),
@@ -80,7 +68,6 @@ vi.mock('@/app/components/workflow/hooks/use-workflow-run-event/use-workflow-run
   }),
 }))
 
-// Mock service
 const mockSsePost = vi.fn()
 vi.mock('@/service/base', () => ({
   ssePost: (url: string, ...args: unknown[]) => mockSsePost(url, ...args),
@@ -96,17 +83,12 @@ vi.mock('@/service/use-workflow', () => ({
   useInvalidAllLastRun: () => mockInvalidAllLastRun,
 }))
 
-// Mock FlowType
 vi.mock('@/types/common', () => ({
   FlowType: {
     ragPipeline: 'rag-pipeline',
   },
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('usePipelineRun', () => {
   const mockSetNodes = vi.fn()
   const mockGetNodes = vi.fn()
@@ -118,7 +100,6 @@ describe('usePipelineRun', () => {
   beforeEach(() => {
     vi.clearAllMocks()
 
-    // Mock DOM element
     const mockWorkflowContainer = document.createElement('div')
     mockWorkflowContainer.id = 'workflow-container'
     Object.defineProperty(mockWorkflowContainer, 'clientWidth', { value: 1000 })
@@ -466,7 +447,6 @@ describe('usePipelineRun', () => {
         await result.current.handleRun({ inputs: {} }, { onWorkflowStarted })
       })
 
-      // Trigger the callback
       await act(async () => {
         capturedCallbacks.onWorkflowStarted?.({ task_id: 'task-1' })
       })
@@ -743,7 +723,6 @@ describe('usePipelineRun', () => {
         capturedCallbacks.onTextChunk?.({ text: 'chunk' })
       })
 
-      // Just verify it doesn't throw
       expect(capturedCallbacks.onTextChunk).toBeDefined()
     })
 
@@ -764,7 +743,6 @@ describe('usePipelineRun', () => {
         capturedCallbacks.onTextReplace?.({ text: 'replaced' })
       })
 
-      // Just verify it doesn't throw
       expect(capturedCallbacks.onTextReplace).toBeDefined()
     })
 
@@ -794,12 +772,10 @@ describe('usePipelineRun', () => {
 
       const { result } = renderHook(() => usePipelineRun())
 
-      // Run without any optional callbacks
       await act(async () => {
         await result.current.handleRun({ inputs: {} })
       })
 
-      // Trigger all callbacks - they should not throw even without optional handlers
       await act(async () => {
         capturedCallbacks.onWorkflowStarted?.({ task_id: 'task-1' })
         capturedCallbacks.onWorkflowFinished?.({ status: 'succeeded' })
@@ -818,7 +794,6 @@ describe('usePipelineRun', () => {
         capturedCallbacks.onTextReplace?.({ text: 'replaced' })
       })
 
-      // Verify ssePost was called
       expect(mockSsePost).toHaveBeenCalled()
     })
   })
diff --git a/web/app/components/rag-pipeline/hooks/use-pipeline-start-run.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-start-run.spec.ts
similarity index 90%
rename from web/app/components/rag-pipeline/hooks/use-pipeline-start-run.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-start-run.spec.ts
index 4266fb993d..11a1504c82 100644
--- a/web/app/components/rag-pipeline/hooks/use-pipeline-start-run.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-start-run.spec.ts
@@ -3,17 +3,8 @@ import { act } from 'react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { WorkflowRunningStatus } from '@/app/components/workflow/types'
 
-// ============================================================================
-// Import after mocks
-// ============================================================================
+import { usePipelineStartRun } from '../use-pipeline-start-run'
 
-import { usePipelineStartRun } from './use-pipeline-start-run'
-
-// ============================================================================
-// Mocks
-// ============================================================================
-
-// Mock workflow store
 const mockWorkflowStoreGetState = vi.fn()
 const mockWorkflowStoreSetState = vi.fn()
 vi.mock('@/app/components/workflow/store', () => ({
@@ -23,7 +14,6 @@ vi.mock('@/app/components/workflow/store', () => ({
   }),
 }))
 
-// Mock workflow interactions
 const mockHandleCancelDebugAndPreviewPanel = vi.fn()
 vi.mock('@/app/components/workflow/hooks', () => ({
   useWorkflowInteractions: () => ({
@@ -31,7 +21,6 @@ vi.mock('@/app/components/workflow/hooks', () => ({
   }),
 }))
 
-// Mock useNodesSyncDraft
 const mockDoSyncWorkflowDraft = vi.fn()
 vi.mock('@/app/components/rag-pipeline/hooks', () => ({
   useNodesSyncDraft: () => ({
@@ -42,10 +31,6 @@ vi.mock('@/app/components/rag-pipeline/hooks', () => ({
   }),
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('usePipelineStartRun', () => {
   const mockSetIsPreparingDataSource = vi.fn()
   const mockSetShowEnvPanel = vi.fn()
@@ -210,7 +195,6 @@ describe('usePipelineStartRun', () => {
         result.current.handleStartWorkflowRun()
       })
 
-      // Should trigger the same workflow as handleWorkflowStartRunInWorkflow
       expect(mockSetShowEnvPanel).toHaveBeenCalledWith(false)
     })
   })
diff --git a/web/app/components/rag-pipeline/hooks/use-pipeline-template.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-template.spec.ts
similarity index 87%
rename from web/app/components/rag-pipeline/hooks/use-pipeline-template.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-template.spec.ts
index 31d308e587..1214ea84c0 100644
--- a/web/app/components/rag-pipeline/hooks/use-pipeline-template.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline-template.spec.ts
@@ -1,13 +1,7 @@
 import { renderHook } from '@testing-library/react'
 import { describe, expect, it, vi } from 'vitest'
 
-import { usePipelineTemplate } from './use-pipeline-template'
-
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string) => key,
-  }),
-}))
+import { usePipelineTemplate } from '../use-pipeline-template'
 
 vi.mock('@/app/components/workflow/constants', () => ({
   START_INITIAL_POSITION: { x: 100, y: 200 },
@@ -55,7 +49,6 @@ describe('usePipelineTemplate', () => {
   it('should position node offset from START_INITIAL_POSITION', () => {
     const { result } = renderHook(() => usePipelineTemplate())
 
-    // x = 100 + 500 = 600, y = 200
     expect(result.current.nodes[0].position.x).toBe(600)
     expect(result.current.nodes[0].position.y).toBe(200)
   })
@@ -63,6 +56,6 @@ describe('usePipelineTemplate', () => {
   it('should translate node title', () => {
     const { result } = renderHook(() => usePipelineTemplate())
 
-    expect(result.current.nodes[0].data.title).toBe('blocks.knowledge-base')
+    expect(result.current.nodes[0].data.title).toBe('workflow.blocks.knowledge-base')
   })
 })
diff --git a/web/app/components/rag-pipeline/hooks/use-pipeline.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline.spec.ts
similarity index 90%
rename from web/app/components/rag-pipeline/hooks/use-pipeline.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-pipeline.spec.ts
index 364969b686..bca23fa602 100644
--- a/web/app/components/rag-pipeline/hooks/use-pipeline.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-pipeline.spec.ts
@@ -1,11 +1,7 @@
 import { renderHook } from '@testing-library/react'
 import { act } from 'react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-import { usePipeline } from './use-pipeline'
-
-// ============================================================================
-// Mocks
-// ============================================================================
+import { usePipeline } from '../use-pipeline'
 
 const mockGetNodes = vi.fn()
 const mockSetNodes = vi.fn()
@@ -26,12 +22,12 @@ vi.mock('reactflow', () => ({
 
 const mockFindUsedVarNodes = vi.fn()
 const mockUpdateNodeVars = vi.fn()
-vi.mock('../../workflow/nodes/_base/components/variable/utils', () => ({
+vi.mock('../../../workflow/nodes/_base/components/variable/utils', () => ({
   findUsedVarNodes: (...args: unknown[]) => mockFindUsedVarNodes(...args),
   updateNodeVars: (...args: unknown[]) => mockUpdateNodeVars(...args),
 }))
 
-vi.mock('../../workflow/types', () => ({
+vi.mock('../../../workflow/types', () => ({
   BlockEnum: {
     DataSource: 'data-source',
   },
@@ -50,18 +46,10 @@ vi.mock('es-toolkit/compat', () => ({
   },
 }))
 
-// ============================================================================
-// Test data helpers
-// ============================================================================
-
 function createNode(id: string, type: string) {
   return { id, data: { type }, position: { x: 0, y: 0 } }
 }
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('usePipeline', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -211,7 +199,6 @@ describe('usePipeline', () => {
         { id: 'e1', source: 'ds-1', target: 'node-2' },
         { id: 'e2', source: 'node-2', target: 'node-3' },
       )
-      // Only node2 uses the variable
       mockFindUsedVarNodes.mockReturnValue([node2])
       const updatedNode2 = { ...node2, updated: true }
       mockUpdateNodeVars.mockReturnValue(updatedNode2)
@@ -227,7 +214,6 @@ describe('usePipeline', () => {
       })
 
       const setNodesArg = mockSetNodes.mock.calls[0][0]
-      // node2 should be updated, dsNode and node3 should remain the same
       expect(setNodesArg).toContain(dsNode)
       expect(setNodesArg).toContain(updatedNode2)
       expect(setNodesArg).toContain(node3)
@@ -288,11 +274,9 @@ describe('usePipeline', () => {
 
       const { result } = renderHook(() => usePipeline())
 
-      // isVarUsedInNodes triggers getAllNodesInSameBranch internally
       const isUsed = result.current.isVarUsedInNodes(['rag', 'ds-1', 'var1'])
       expect(isUsed).toBe(true)
 
-      // Verify findUsedVarNodes was called with all downstream nodes (ds-1, node-2, node-3)
       const nodesArg = mockFindUsedVarNodes.mock.calls[0][1] as Array<{ id: string }>
       const nodeIds = nodesArg.map(n => n.id)
       expect(nodeIds).toContain('ds-1')
@@ -311,7 +295,6 @@ describe('usePipeline', () => {
     })
 
     it('should deduplicate nodes when traversal finds shared nodes', () => {
-      // Diamond graph: ds-1 -> n2, ds-1 -> n3, n2 -> n4, n3 -> n4
       const ds = createNode('ds-1', 'data-source')
       const n2 = createNode('node-2', 'llm')
       const n3 = createNode('node-3', 'llm')
@@ -329,7 +312,6 @@ describe('usePipeline', () => {
 
       result.current.isVarUsedInNodes(['rag', 'ds-1', 'var1'])
 
-      // findUsedVarNodes should receive unique nodes (no duplicates of node-4)
       const nodesArg = mockFindUsedVarNodes.mock.calls[0][1] as Array<{ id: string }>
       const nodeIds = nodesArg.map(n => n.id)
       const uniqueIds = [...new Set(nodeIds)]
diff --git a/web/app/components/rag-pipeline/hooks/use-rag-pipeline-search.spec.tsx b/web/app/components/rag-pipeline/hooks/__tests__/use-rag-pipeline-search.spec.tsx
similarity index 92%
rename from web/app/components/rag-pipeline/hooks/use-rag-pipeline-search.spec.tsx
rename to web/app/components/rag-pipeline/hooks/__tests__/use-rag-pipeline-search.spec.tsx
index 575e0e460d..a06d1ba334 100644
--- a/web/app/components/rag-pipeline/hooks/use-rag-pipeline-search.spec.tsx
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-rag-pipeline-search.spec.tsx
@@ -1,11 +1,7 @@
 import { renderHook } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { BlockEnum } from '@/app/components/workflow/types'
-import { useRagPipelineSearch } from './use-rag-pipeline-search'
-
-// ============================================================================
-// Mocks
-// ============================================================================
+import { useRagPipelineSearch } from '../use-rag-pipeline-search'
 
 const mockNodes: Array<{ id: string, data: Record<string, unknown> }> = []
 vi.mock('@/app/components/workflow/store/workflow/use-nodes', () => ({
@@ -46,10 +42,6 @@ vi.mock('@/app/components/workflow/utils/node-navigation', () => ({
   setupNodeSelectionListener: () => mockCleanupListener,
 }))
 
-// ============================================================================
-// Tests
-// ============================================================================
-
 describe('useRagPipelineSearch', () => {
   beforeEach(() => {
     vi.clearAllMocks()
@@ -174,7 +166,6 @@ describe('useRagPipelineSearch', () => {
       const results = searchFn('')
       const titles = results.map(r => r.title)
 
-      // Should be alphabetically sorted
       const sortedTitles = [...titles].sort((a, b) => a.localeCompare(b))
       expect(titles).toEqual(sortedTitles)
     })
@@ -185,7 +176,6 @@ describe('useRagPipelineSearch', () => {
       const searchFn = mockRagPipelineNodesAction.searchFn!
       const results = searchFn('Search')
 
-      // "Web Search" has title match (score 10), "Knowledge Base" has desc match (score 5)
       expect(results[0].title).toBe('Web Search')
     })
 
diff --git a/web/app/components/rag-pipeline/hooks/use-update-dsl-modal.spec.ts b/web/app/components/rag-pipeline/hooks/__tests__/use-update-dsl-modal.spec.ts
similarity index 94%
rename from web/app/components/rag-pipeline/hooks/use-update-dsl-modal.spec.ts
rename to web/app/components/rag-pipeline/hooks/__tests__/use-update-dsl-modal.spec.ts
index adf756c10f..942e337ad8 100644
--- a/web/app/components/rag-pipeline/hooks/use-update-dsl-modal.spec.ts
+++ b/web/app/components/rag-pipeline/hooks/__tests__/use-update-dsl-modal.spec.ts
@@ -1,9 +1,8 @@
 import { act, renderHook } from '@testing-library/react'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { DSLImportMode, DSLImportStatus } from '@/models/app'
-import { useUpdateDSLModal } from './use-update-dsl-modal'
+import { useUpdateDSLModal } from '../use-update-dsl-modal'
 
-// --- FileReader stub ---
 class MockFileReader {
   onload: ((this: FileReader, event: ProgressEvent<FileReader>) => void) | null = null
 
@@ -14,18 +13,12 @@ class MockFileReader {
 }
 vi.stubGlobal('FileReader', MockFileReader as unknown as typeof FileReader)
 
-// --- Module-level mock functions ---
 const mockNotify = vi.fn()
 const mockEmit = vi.fn()
 const mockImportDSL = vi.fn()
 const mockImportDSLConfirm = vi.fn()
 const mockHandleCheckPluginDependencies = vi.fn()
 
-// --- Mocks ---
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({ t: (key: string) => key }),
-}))
-
 vi.mock('use-context-selector', () => ({
   useContext: () => ({ notify: mockNotify }),
 }))
@@ -74,10 +67,8 @@ vi.mock('@/service/workflow', () => ({
   }),
 }))
 
-// --- Helpers ---
 const createFile = () => new File(['test content'], 'test.pipeline', { type: 'text/yaml' })
 
-// Cast MouseEventHandler to a plain callable for tests (event param is unused)
 type AsyncFn = () => Promise<void>
 
 describe('useUpdateDSLModal', () => {
@@ -102,7 +93,6 @@ describe('useUpdateDSLModal', () => {
     mockHandleCheckPluginDependencies.mockResolvedValue(undefined)
   })
 
-  // Initial state values
   describe('initial state', () => {
     it('should return correct defaults', () => {
       const { result } = renderUpdateDSLModal()
@@ -115,7 +105,6 @@ describe('useUpdateDSLModal', () => {
     })
   })
 
-  // File handling
   describe('handleFile', () => {
     it('should set currentFile when file is provided', () => {
       const { result } = renderUpdateDSLModal()
@@ -142,7 +131,6 @@ describe('useUpdateDSLModal', () => {
     })
   })
 
-  // Modal state management
   describe('modal state', () => {
     it('should allow toggling showErrorModal', () => {
       const { result } = renderUpdateDSLModal()
@@ -161,7 +149,6 @@ describe('useUpdateDSLModal', () => {
     })
   })
 
-  // Import flow
   describe('handleImport', () => {
     it('should call importDSL with correct parameters', async () => {
       const { result } = renderUpdateDSLModal()
@@ -191,7 +178,6 @@ describe('useUpdateDSLModal', () => {
       expect(mockImportDSL).not.toHaveBeenCalled()
     })
 
-    // COMPLETED status
     it('should notify success on COMPLETED status', async () => {
       const { result } = renderUpdateDSLModal()
       act(() => {
@@ -257,7 +243,6 @@ describe('useUpdateDSLModal', () => {
       expect(mockHandleCheckPluginDependencies).toHaveBeenCalledWith('test-pipeline-id', true)
     })
 
-    // COMPLETED_WITH_WARNINGS status
     it('should notify warning on COMPLETED_WITH_WARNINGS status', async () => {
       mockImportDSL.mockResolvedValue({
         id: 'import-id',
@@ -277,7 +262,6 @@ describe('useUpdateDSLModal', () => {
       expect(mockNotify).toHaveBeenCalledWith(expect.objectContaining({ type: 'warning' }))
     })
 
-    // PENDING status (version mismatch)
     it('should switch to version mismatch modal on PENDING status', async () => {
       vi.useFakeTimers({ shouldAdvanceTime: true })
 
@@ -338,7 +322,6 @@ describe('useUpdateDSLModal', () => {
       vi.useRealTimers()
     })
 
-    // FAILED / unknown status
     it('should notify error on FAILED status', async () => {
       mockImportDSL.mockResolvedValue({
         id: 'import-id',
@@ -358,7 +341,6 @@ describe('useUpdateDSLModal', () => {
       expect(mockNotify).toHaveBeenCalledWith(expect.objectContaining({ type: 'error' }))
     })
 
-    // Exception
     it('should notify error when importDSL throws', async () => {
       mockImportDSL.mockRejectedValue(new Error('Network error'))
 
@@ -374,7 +356,6 @@ describe('useUpdateDSLModal', () => {
       expect(mockNotify).toHaveBeenCalledWith(expect.objectContaining({ type: 'error' }))
     })
 
-    // Missing pipeline_id
     it('should notify error when pipeline_id is missing on success', async () => {
       mockImportDSL.mockResolvedValue({
         id: 'import-id',
@@ -395,9 +376,7 @@ describe('useUpdateDSLModal', () => {
     })
   })
 
-  // Confirm flow (after PENDING → version mismatch)
   describe('onUpdateDSLConfirm', () => {
-    // Helper: drive the hook into PENDING state so importId is set
     const setupPendingState = async (result: { current: ReturnType<typeof useUpdateDSLModal> }) => {
       vi.useFakeTimers({ shouldAdvanceTime: true })
 
@@ -520,7 +499,6 @@ describe('useUpdateDSLModal', () => {
     it('should not call importDSLConfirm when importId is not set', async () => {
       const { result } = renderUpdateDSLModal()
 
-      // No pending state → importId is undefined
       await act(async () => {
         await (result.current.onUpdateDSLConfirm as unknown as AsyncFn)()
       })
@@ -529,7 +507,6 @@ describe('useUpdateDSLModal', () => {
     })
   })
 
-  // Optional onImport callback
   describe('optional onImport', () => {
     it('should work without onImport callback', async () => {
       const { result } = renderHook(() =>
@@ -544,7 +521,6 @@ describe('useUpdateDSLModal', () => {
         await (result.current.handleImport as unknown as AsyncFn)()
       })
 
-      // Should succeed without throwing
       expect(mockOnCancel).toHaveBeenCalled()
     })
   })
diff --git a/web/app/components/rag-pipeline/store/index.spec.ts b/web/app/components/rag-pipeline/store/__tests__/index.spec.ts
similarity index 95%
rename from web/app/components/rag-pipeline/store/index.spec.ts
rename to web/app/components/rag-pipeline/store/__tests__/index.spec.ts
index 4d9c3fde27..c978332a71 100644
--- a/web/app/components/rag-pipeline/store/index.spec.ts
+++ b/web/app/components/rag-pipeline/store/__tests__/index.spec.ts
@@ -1,13 +1,12 @@
-import type { InputFieldEditorProps } from '../components/panel/input-field/editor'
-import type { RagPipelineSliceShape } from './index'
+import type { InputFieldEditorProps } from '../../components/panel/input-field/editor'
+import type { RagPipelineSliceShape } from '../index'
 import type { DataSourceItem } from '@/app/components/workflow/block-selector/types'
 import type { RAGPipelineVariables } from '@/models/pipeline'
 import { describe, expect, it, vi } from 'vitest'
 import { PipelineInputVarType } from '@/models/pipeline'
 
-import { createRagPipelineSliceSlice } from './index'
+import { createRagPipelineSliceSlice } from '../index'
 
-// Mock the transformDataSourceToTool function
 vi.mock('@/app/components/workflow/block-selector/utils', () => ({
   transformDataSourceToTool: (item: DataSourceItem) => ({
     ...item,
@@ -15,12 +14,10 @@ vi.mock('@/app/components/workflow/block-selector/utils', () => ({
   }),
 }))
 
-// Type-safe stubs for unused Zustand StateCreator params
 type SliceCreatorParams = Parameters<typeof createRagPipelineSliceSlice>
 const unusedGet = vi.fn() as unknown as SliceCreatorParams[1]
 const unusedApi = vi.fn() as unknown as SliceCreatorParams[2]
 
-// Helper to create a slice with a given mockSet
 function createSlice(mockSet = vi.fn()) {
   return createRagPipelineSliceSlice(mockSet as unknown as SliceCreatorParams[0], unusedGet, unusedApi)
 }
@@ -92,7 +89,6 @@ describe('createRagPipelineSliceSlice', () => {
 
       expect(mockSet).toHaveBeenCalledWith(expect.any(Function))
 
-      // Get the setter function and execute it
       const setterFn = mockSet.mock.calls[0][0] as () => Partial<RagPipelineSliceShape>
       const result = setterFn()
       expect(result).toEqual({ showInputFieldPanel: true })
@@ -270,7 +266,6 @@ describe('RagPipelineSliceShape type', () => {
   it('should define all required properties', () => {
     const slice = createSlice()
 
-    // Check all properties exist
     expect(slice).toHaveProperty('pipelineId')
     expect(slice).toHaveProperty('knowledgeName')
     expect(slice).toHaveProperty('showInputFieldPanel')
diff --git a/web/app/components/rag-pipeline/utils/index.spec.ts b/web/app/components/rag-pipeline/utils/__tests__/index.spec.ts
similarity index 93%
rename from web/app/components/rag-pipeline/utils/index.spec.ts
rename to web/app/components/rag-pipeline/utils/__tests__/index.spec.ts
index 9d816af685..787cc018b9 100644
--- a/web/app/components/rag-pipeline/utils/index.spec.ts
+++ b/web/app/components/rag-pipeline/utils/__tests__/index.spec.ts
@@ -2,9 +2,8 @@ import type { Viewport } from 'reactflow'
 import type { Node } from '@/app/components/workflow/types'
 import { describe, expect, it, vi } from 'vitest'
 import { BlockEnum } from '@/app/components/workflow/types'
-import { processNodesWithoutDataSource } from './nodes'
+import { processNodesWithoutDataSource } from '../nodes'
 
-// Mock constants
 vi.mock('@/app/components/workflow/constants', () => ({
   CUSTOM_NODE: 'custom',
   NODE_WIDTH_X_OFFSET: 400,
@@ -121,8 +120,6 @@ describe('processNodesWithoutDataSource', () => {
 
       const result = processNodesWithoutDataSource(nodes, viewport)
 
-      // New nodes should be positioned based on the leftmost node (x: 200)
-      // startX = 200 - 400 = -200
       expect(result.nodes[0].position.x).toBe(-200)
       expect(result.nodes[0].position.y).toBe(100)
     })
@@ -140,10 +137,6 @@ describe('processNodesWithoutDataSource', () => {
 
       const result = processNodesWithoutDataSource(nodes, viewport)
 
-      // startX = 300 - 400 = -100
-      // startY = 200
-      // viewport.x = (100 - (-100)) * 1 = 200
-      // viewport.y = (100 - 200) * 1 = -100
       expect(result.viewport).toEqual({
         x: 200,
         y: -100,
@@ -164,10 +157,6 @@ describe('processNodesWithoutDataSource', () => {
 
       const result = processNodesWithoutDataSource(nodes, viewport)
 
-      // startX = 300 - 400 = -100
-      // startY = 200
-      // viewport.x = (100 - (-100)) * 2 = 400
-      // viewport.y = (100 - 200) * 2 = -200
       expect(result.viewport).toEqual({
         x: 400,
         y: -200,
@@ -202,7 +191,6 @@ describe('processNodesWithoutDataSource', () => {
 
       const result = processNodesWithoutDataSource(nodes)
 
-      // Data source empty node position
       const dataSourceEmptyNode = result.nodes[0]
       const noteNode = result.nodes[1]
 
@@ -276,7 +264,6 @@ describe('processNodesWithoutDataSource', () => {
 
       const result = processNodesWithoutDataSource(nodes, viewport)
 
-      // No custom nodes to find leftmost, so no new nodes are added
       expect(result.nodes).toBe(nodes)
       expect(result.viewport).toBe(viewport)
     })
@@ -301,7 +288,6 @@ describe('processNodesWithoutDataSource', () => {
 
       const result = processNodesWithoutDataSource(nodes)
 
-      // First node should be used as leftNode
       expect(result.nodes.length).toBe(4)
     })
 
@@ -317,7 +303,6 @@ describe('processNodesWithoutDataSource', () => {
 
       const result = processNodesWithoutDataSource(nodes)
 
-      // startX = -100 - 400 = -500
       expect(result.nodes[0].position.x).toBe(-500)
       expect(result.nodes[0].position.y).toBe(-50)
     })