fix(deploy): new test

.gitea/workflows/deploy.yaml

@@ -28,8 +28,42 @@ jobs:
           chmod +x gradlew
           ./gradlew test
 
+  test-frontend:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node 22
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+          cache: "npm"
+          cache-dependency-path: "frontend/package-lock.json"
+
+      - name: Install Chromium
+        shell: bash
+        run: |
+          apt-get update
+          apt-get install -y --no-install-recommends chromium
+
+      - name: Install frontend dependencies
+        shell: bash
+        run: |
+          cd frontend
+          npm ci --no-audit --no-fund
+
+      - name: Run frontend tests (headless)
+        shell: bash
+        env:
+          CHROME_BIN: /usr/bin/chromium
+          CI: "true"
+        run: |
+          cd frontend
+          npm run test -- --watch=false --browsers=ChromeHeadlessNoSandbox
+
   build-and-push:
-    needs: test-backend
+    needs: [test-backend, test-frontend]
     runs-on: ubuntu-latest
     steps:
       - name: Checkout