fix(profile): stabilize binding compatibility and frontend checks

.github/workflows/backend-ci.yml

@@ -28,6 +28,26 @@ jobs:
         working-directory: backend
         run: make test-integration
 
+  frontend:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: '20'
+          cache: 'pnpm'
+          cache-dependency-path: frontend/pnpm-lock.yaml
+      - name: Install frontend dependencies
+        working-directory: frontend
+        run: pnpm install --frozen-lockfile
+      - name: Frontend typecheck and critical vitest
+        run: make test-frontend
+
   golangci-lint:
     runs-on: ubuntu-latest
     steps:
@@ -46,4 +66,4 @@ jobs:
         with:
           version: v2.9
           args: --timeout=30m
-          working-directory: backend
+          working-directory: backend