diff --git a/web/app/components/app/log/index.spec.tsx b/web/app/components/app/log/index.spec.tsx
new file mode 100644
index 0000000000..6175115c70
--- /dev/null
+++ b/web/app/components/app/log/index.spec.tsx
@@ -0,0 +1,200 @@
+import type { ReactNode } from 'react'
+import type { ChatConversationGeneralDetail, ChatConversationsResponse } from '@/models/log'
+import type { App, AppIconType } from '@/types/app'
+import { render, screen } from '@testing-library/react'
+import { NuqsTestingAdapter } from 'nuqs/adapters/testing'
+import { APP_PAGE_LIMIT } from '@/config'
+import { AppModeEnum } from '@/types/app'
+import Logs from './index'
+
+const mockUseChatConversations = vi.fn()
+const mockUseCompletionConversations = vi.fn()
+const mockUseAnnotationsCount = vi.fn()
+
+const mockRouterPush = vi.fn()
+const mockRouterReplace = vi.fn()
+
+const mockAppStoreState = {
+  setShowPromptLogModal: vi.fn(),
+  setShowAgentLogModal: vi.fn(),
+  setShowMessageLogModal: vi.fn(),
+}
+
+vi.mock('next/navigation', () => ({
+  useRouter: () => ({
+    push: mockRouterPush,
+    replace: mockRouterReplace,
+  }),
+  usePathname: () => '/apps/app-123/logs',
+  useSearchParams: () => new URLSearchParams(),
+}))
+
+vi.mock('@/service/use-log', () => ({
+  useChatConversations: (args: unknown) => mockUseChatConversations(args),
+  useCompletionConversations: (args: unknown) => mockUseCompletionConversations(args),
+  useAnnotationsCount: () => mockUseAnnotationsCount(),
+  useChatConversationDetail: () => ({ data: undefined }),
+  useCompletionConversationDetail: () => ({ data: undefined }),
+}))
+
+vi.mock('@/service/log', () => ({
+  fetchChatMessages: vi.fn(),
+  updateLogMessageAnnotations: vi.fn(),
+  updateLogMessageFeedbacks: vi.fn(),
+}))
+
+vi.mock('@/context/app-context', () => ({
+  useAppContext: () => ({
+    userProfile: { timezone: 'UTC' },
+  }),
+}))
+
+vi.mock('@/app/components/app/store', () => ({
+  useStore: (selector: (state: typeof mockAppStoreState) => unknown) => selector(mockAppStoreState),
+}))
+
+const renderWithAdapter = (ui: ReactNode, searchParams = '') => {
+  return render(
+    <NuqsTestingAdapter searchParams={searchParams}>
+      {ui}
+    </NuqsTestingAdapter>,
+  )
+}
+
+const createMockApp = (overrides: Partial<App> = {}): App => ({
+  id: 'app-123',
+  name: 'Test App',
+  description: 'Test app description',
+  author_name: 'Test Author',
+  icon_type: 'emoji' as AppIconType,
+  icon: ':icon:',
+  icon_background: '#FFEAD5',
+  icon_url: null,
+  use_icon_as_answer_icon: false,
+  mode: AppModeEnum.CHAT,
+  enable_site: true,
+  enable_api: true,
+  api_rpm: 60,
+  api_rph: 3600,
+  is_demo: false,
+  model_config: {} as App['model_config'],
+  app_model_config: {} as App['app_model_config'],
+  created_at: Date.now(),
+  updated_at: Date.now(),
+  site: {
+    access_token: 'token',
+    app_base_url: 'https://example.com',
+  } as App['site'],
+  api_base_url: 'https://api.example.com',
+  tags: [],
+  access_mode: 'public_access' as App['access_mode'],
+  ...overrides,
+})
+
+const createChatConversation = (overrides: Partial<ChatConversationGeneralDetail> = {}): ChatConversationGeneralDetail => ({
+  id: 'conversation-1',
+  status: 'normal',
+  from_source: 'api',
+  from_end_user_id: 'user-1',
+  from_end_user_session_id: 'session-1',
+  from_account_id: 'account-1',
+  read_at: new Date(),
+  created_at: 1700000000,
+  updated_at: 1700000001,
+  user_feedback_stats: { like: 0, dislike: 0 },
+  admin_feedback_stats: { like: 0, dislike: 0 },
+  model_config: {
+    provider: 'openai',
+    model_id: 'gpt-4',
+    configs: { prompt_template: '' },
+  },
+  summary: 'Conversation summary',
+  message_count: 1,
+  annotated: false,
+  ...overrides,
+})
+
+const createChatConversationsResponse = (overrides: Partial<ChatConversationsResponse> = {}): ChatConversationsResponse => ({
+  data: [createChatConversation()],
+  has_more: false,
+  limit: APP_PAGE_LIMIT,
+  total: 1,
+  page: 1,
+  ...overrides,
+})
+
+// Logs page: loading, empty, and data states.
+describe('Logs', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    globalThis.innerWidth = 1024
+
+    mockUseAnnotationsCount.mockReturnValue({
+      data: { count: 0 },
+      isLoading: false,
+    })
+
+    mockUseChatConversations.mockReturnValue({
+      data: undefined,
+      refetch: vi.fn(),
+    })
+
+    mockUseCompletionConversations.mockReturnValue({
+      data: undefined,
+      refetch: vi.fn(),
+    })
+  })
+
+  // Loading behavior when no data yet.
+  describe('Rendering', () => {
+    it('should render loading state when conversations are undefined', () => {
+      // Arrange
+      const appDetail = createMockApp()
+
+      // Act
+      renderWithAdapter(<Logs appDetail={appDetail} />)
+
+      // Assert
+      expect(screen.getByRole('status')).toBeInTheDocument()
+    })
+
+    it('should render empty state when there are no conversations', () => {
+      // Arrange
+      mockUseChatConversations.mockReturnValue({
+        data: createChatConversationsResponse({ data: [], total: 0 }),
+        refetch: vi.fn(),
+      })
+      const appDetail = createMockApp()
+
+      // Act
+      renderWithAdapter(<Logs appDetail={appDetail} />)
+
+      // Assert
+      expect(screen.getByText('appLog.table.empty.element.title')).toBeInTheDocument()
+      expect(screen.queryByRole('status')).not.toBeInTheDocument()
+    })
+  })
+
+  // Data rendering behavior.
+  describe('Props', () => {
+    it('should render list with pagination when conversations exist', () => {
+      // Arrange
+      mockUseChatConversations.mockReturnValue({
+        data: createChatConversationsResponse({ total: APP_PAGE_LIMIT + 1 }),
+        refetch: vi.fn(),
+      })
+      const appDetail = createMockApp()
+
+      // Act
+      renderWithAdapter(<Logs appDetail={appDetail} />, '?page=0&limit=0')
+
+      // Assert
+      expect(screen.getByText('appLog.table.header.summary')).toBeInTheDocument()
+      expect(screen.getByText('25')).toBeInTheDocument()
+
+      const firstCallArgs = mockUseChatConversations.mock.calls[0]?.[0]
+      expect(firstCallArgs.params.page).toBe(1)
+      expect(firstCallArgs.params.limit).toBe(APP_PAGE_LIMIT)
+    })
+  })
+})
diff --git a/web/app/components/datasets/documents/hooks/use-document-list-query-state.spec.tsx b/web/app/components/datasets/documents/hooks/use-document-list-query-state.spec.tsx
new file mode 100644
index 0000000000..514a859d59
--- /dev/null
+++ b/web/app/components/datasets/documents/hooks/use-document-list-query-state.spec.tsx
@@ -0,0 +1,133 @@
+import type { ReactNode } from 'react'
+import { act, renderHook, waitFor } from '@testing-library/react'
+import { NuqsTestingAdapter } from 'nuqs/adapters/testing'
+import useDocumentListQueryState from './use-document-list-query-state'
+
+const renderWithAdapter = (searchParams = '') => {
+  const wrapper = ({ children }: { children: ReactNode }) => (
+    <NuqsTestingAdapter searchParams={searchParams}>
+      {children}
+    </NuqsTestingAdapter>
+  )
+
+  return renderHook(() => useDocumentListQueryState(), { wrapper })
+}
+
+// Document list query state: defaults, sanitization, and update actions.
+describe('useDocumentListQueryState', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+  })
+
+  // Default query values.
+  describe('Rendering', () => {
+    it('should return default query values when URL params are missing', () => {
+      // Arrange
+      const { result } = renderWithAdapter()
+
+      // Act
+      const { query } = result.current
+
+      // Assert
+      expect(query).toEqual({
+        page: 1,
+        limit: 10,
+        keyword: '',
+        status: 'all',
+        sort: '-created_at',
+      })
+    })
+  })
+
+  // URL sanitization behavior.
+  describe('Edge Cases', () => {
+    it('should sanitize invalid URL query values', () => {
+      // Arrange
+      const { result } = renderWithAdapter('?page=0&limit=500&keyword=%20%20&status=invalid&sort=bad')
+
+      // Act
+      const { query } = result.current
+
+      // Assert
+      expect(query).toEqual({
+        page: 1,
+        limit: 10,
+        keyword: '',
+        status: 'all',
+        sort: '-created_at',
+      })
+    })
+  })
+
+  // Query update actions.
+  describe('User Interactions', () => {
+    it('should normalize query updates', async () => {
+      // Arrange
+      const { result } = renderWithAdapter()
+
+      // Act
+      act(() => {
+        result.current.updateQuery({
+          page: 0,
+          limit: 200,
+          keyword: '  search  ',
+          status: 'invalid',
+          sort: 'hit_count',
+        })
+      })
+
+      // Assert
+      await waitFor(() => {
+        expect(result.current.query).toEqual({
+          page: 1,
+          limit: 10,
+          keyword: '  search  ',
+          status: 'all',
+          sort: 'hit_count',
+        })
+      })
+    })
+
+    it('should reset query values to defaults', async () => {
+      // Arrange
+      const { result } = renderWithAdapter('?page=2&limit=25&keyword=hello&status=enabled&sort=hit_count')
+
+      // Act
+      act(() => {
+        result.current.resetQuery()
+      })
+
+      // Assert
+      await waitFor(() => {
+        expect(result.current.query).toEqual({
+          page: 1,
+          limit: 10,
+          keyword: '',
+          status: 'all',
+          sort: '-created_at',
+        })
+      })
+    })
+  })
+
+  // Callback stability.
+  describe('Performance', () => {
+    it('should keep action callbacks stable across updates', async () => {
+      // Arrange
+      const { result } = renderWithAdapter()
+      const initialUpdate = result.current.updateQuery
+      const initialReset = result.current.resetQuery
+
+      // Act
+      act(() => {
+        result.current.updateQuery({ page: 2 })
+      })
+
+      // Assert
+      await waitFor(() => {
+        expect(result.current.updateQuery).toBe(initialUpdate)
+        expect(result.current.resetQuery).toBe(initialReset)
+      })
+    })
+  })
+})