diff --git a/.dependency-cruiser.cjs b/.dependency-cruiser.cjs
index 48ddf05c..8c58957c 100644
--- a/.dependency-cruiser.cjs
+++ b/.dependency-cruiser.cjs
@@ -145,11 +145,8 @@ module.exports = {
       path: "apps/web/src"
     },
 
-    tsPreCompilationDeps: true,
-
-    tsConfig: {
-      fileName: "apps/web/tsconfig.json"
-    },
+    // 2026-03-26: 關閉 TS 前置編譯 (避免 monorepo tsconfig extends 問題)
+    tsPreCompilationDeps: false,
 
     enhancedResolveOptions: {
       exportsFields: ["exports"],
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 39ce6dcb..e1d325f3 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -72,6 +72,10 @@ jobs:
       - name: Type check
         run: pnpm typecheck
 
+      # Phase 14.2: 依賴治理 (2026-03-26)
+      - name: Dependency Check
+        run: pnpm dep-check
+
       - name: ADR Compliance Check
         run: |
           echo "🔍 檢查 ADR 規定..."
diff --git a/package.json b/package.json
index d90e4755..4dab0eef 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,8 @@
     "typecheck": "turbo typecheck",
     "test": "turbo test",
     "clean": "turbo clean && rm -rf node_modules",
-    "format": "prettier --write \"**/*.{ts,tsx,js,jsx,json,md}\""
+    "format": "prettier --write \"**/*.{ts,tsx,js,jsx,json,md}\"",
+    "dep-check": "depcruise apps/web/src --config .dependency-cruiser.cjs"
   },
   "devDependencies": {
     "@types/node": "^20.11.0",