test: enforce app/components coverage gates in web tests (#33395)

Co-authored-by: CodingOnStar <hanxujiang@dify.com>

web/scripts/components-coverage-thresholds.mjs

@@ -0,0 +1,128 @@
+// Floors were set from the app/components baseline captured on 2026-03-13,
+// with a small buffer to avoid CI noise on existing code.
+export const EXCLUDED_COMPONENT_MODULES = new Set([
+  'devtools',
+  'provider',
+])
+
+export const COMPONENTS_GLOBAL_THRESHOLDS = {
+  lines: 58,
+  statements: 58,
+  functions: 58,
+  branches: 54,
+}
+
+export const COMPONENT_MODULE_THRESHOLDS = {
+  'app': {
+    lines: 45,
+    statements: 45,
+    functions: 50,
+    branches: 35,
+  },
+  'app-sidebar': {
+    lines: 95,
+    statements: 95,
+    functions: 95,
+    branches: 90,
+  },
+  'apps': {
+    lines: 90,
+    statements: 90,
+    functions: 85,
+    branches: 80,
+  },
+  'base': {
+    lines: 95,
+    statements: 95,
+    functions: 90,
+    branches: 95,
+  },
+  'billing': {
+    lines: 95,
+    statements: 95,
+    functions: 95,
+    branches: 95,
+  },
+  'custom': {
+    lines: 70,
+    statements: 70,
+    functions: 70,
+    branches: 80,
+  },
+  'datasets': {
+    lines: 95,
+    statements: 95,
+    functions: 95,
+    branches: 90,
+  },
+  'develop': {
+    lines: 95,
+    statements: 95,
+    functions: 95,
+    branches: 90,
+  },
+  'explore': {
+    lines: 95,
+    statements: 95,
+    functions: 95,
+    branches: 85,
+  },
+  'goto-anything': {
+    lines: 90,
+    statements: 90,
+    functions: 90,
+    branches: 90,
+  },
+  'header': {
+    lines: 95,
+    statements: 95,
+    functions: 95,
+    branches: 95,
+  },
+  'plugins': {
+    lines: 90,
+    statements: 90,
+    functions: 90,
+    branches: 85,
+  },
+  'rag-pipeline': {
+    lines: 95,
+    statements: 95,
+    functions: 95,
+    branches: 90,
+  },
+  'share': {
+    lines: 15,
+    statements: 15,
+    functions: 20,
+    branches: 20,
+  },
+  'signin': {
+    lines: 95,
+    statements: 95,
+    functions: 95,
+    branches: 95,
+  },
+  'tools': {
+    lines: 95,
+    statements: 95,
+    functions: 90,
+    branches: 90,
+  },
+  'workflow': {
+    lines: 15,
+    statements: 15,
+    functions: 10,
+    branches: 10,
+  },
+  'workflow-app': {
+    lines: 20,
+    statements: 20,
+    functions: 25,
+    branches: 15,
+  },
+}
+
+export function getComponentModuleThreshold(moduleName) {
+  return COMPONENT_MODULE_THRESHOLDS[moduleName] ?? null
+}