diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index a7409437..3ea9fcdf 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -14,13 +14,35 @@ jobs:
   build:
     runs-on: ubuntu-latest
     container: maven:3.9-eclipse-temurin-21
+    timeout-minutes: 30
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Build with Maven
+      - name: Test (Java: unit + contract + ArchUnit)
+        working-directory: backend-java
+        run: mvn test -q
+      - name: Package
+        working-directory: backend-java
         run: mvn clean package -DskipTests -q
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
           name: backend-jar
-          path: target/*.jar
+          path: backend-java/target/*.jar
+
+  frontend-test:
+    runs-on: ubuntu-latest
+    container: node:24-alpine
+    timeout-minutes: 15
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install dependencies
+        working-directory: frontend-vue
+        run: npm ci
+      - name: Type check (vue-tsc)
+        working-directory: frontend-vue
+        run: npm run build
+      - name: Frontend contract tests (node --test)
+        working-directory: frontend-vue
+        run: node --test tests/*.test.ts
diff --git a/frontend-vue/tests/ci-workflow.test.ts b/frontend-vue/tests/ci-workflow.test.ts
new file mode 100644
index 00000000..afc05021
--- /dev/null
+++ b/frontend-vue/tests/ci-workflow.test.ts
@@ -0,0 +1,60 @@
+import { test } from 'node:test'
+import assert from 'node:assert/strict'
+import fs from 'node:fs'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+/** task-216：CI 接入测试阶段契约。.gitea/workflows/build.yml 含 Java 测试与前端测试，失败即红。 */
+
+const YML = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..', '..', '.gitea', 'workflows', 'build.yml')
+
+function text(): string {
+  return fs.readFileSync(YML, 'utf8')
+}
+
+test('CI 工作流存在', () => {
+  assert.ok(fs.existsSync(YML), 'build.yml 应存在')
+})
+
+test('含 Java 测试阶段（mvn test 跑单元+契约+ArchUnit）', () => {
+  const t = text()
+  assert.ok(/Test \(Java: unit \+ contract \+ ArchUnit\)/.test(t), t)
+  assert.ok(/mvn test/.test(t), t)
+  assert.ok(!/mvn clean package -DskipTests.*\n\s*run: mvn test/.test(t), '测试应先于打包')
+})
+
+test('测试在打包之前执行（失败即红，阻断产物上传）', () => {
+  const t = text()
+  const testIdx = t.indexOf('mvn test')
+  const packageIdx = t.indexOf('mvn clean package -DskipTests')
+  assert.ok(testIdx !== -1 && packageIdx !== -1 && testIdx < packageIdx, 'mvn test 必须先于 package')
+})
+
+test('含前端测试 job（node --test 契约测试）', () => {
+  const t = text()
+  assert.ok(/frontend-test/.test(t), t)
+  assert.ok(/node --test tests\/\*\.test\.ts/.test(t), t)
+  assert.ok(/npm ci/.test(t), t)
+})
+
+test('前端含类型检查（vue-tsc）', () => {
+  const t = text()
+  assert.ok(/npm run build/.test(t), '应执行 npm run build(vue-tsc + vite)')
+})
+
+test('有超时与容器环境配置', () => {
+  const t = text()
+  assert.ok(/timeout-minutes:\s*\d+/.test(t), '应有超时配置')
+  assert.ok(/maven:3\.9-eclipse-temurin-21/.test(t), 'Java 容器应存在')
+  assert.ok(/node:24-alpine/.test(t), '前端容器应存在')
+})
+
+test('产物上传保留且路径指向 backend-java', () => {
+  const t = text()
+  assert.ok(/backend-java\/target\/\*\.jar/.test(t), 'jar 产物路径应对')
+  assert.ok(/Upload artifact/.test(t))
+})
+
+test('可重复、内容稳定（两次读取一致）', () => {
+  assert.equal(text(), text())
+})