ci: add pull request extension checks

Author: wellwei

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ci-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  unit-and-package:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+      - run: npm ci
+      - run: npm test
+      - run: npm run package
+      - name: Verify VSIX archive
+        run: unzip -t mcpp-vscode-*.vsix
+
+  extension-host-e2e:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+      - run: npm ci
+      - name: Run Extension Host smoke tests
+        run: xvfb-run -a npm run test:e2e

test/artifacts.test.ts

@@ -334,3 +334,19 @@ test("tag release 工作流校验版本并发布 VSIX", () => {
   assert.match(workflow, /gh release create/);
   assert.match(workflow, /gh release upload.*--clobber/s);
 });
+
+test("PR CI 分离单元打包和 Extension Host E2E", () => {
+  const workflow = readFileSync(path.join(root, ".github/workflows/ci.yml"), "utf8");
+  assert.match(workflow, /pull_request:/);
+  assert.match(workflow, /push:\s*\n\s+branches:\s*\n\s+- main/);
+  assert.match(workflow, /permissions:\s*\n\s+contents: read/);
+  assert.match(workflow, /concurrency:[\s\S]*cancel-in-progress: true/);
+  assert.match(workflow, /node-version: 22/);
+  assert.match(workflow, /unit-and-package:/);
+  assert.match(workflow, /extension-host-e2e:/);
+  assert.match(workflow, /npm ci/);
+  assert.match(workflow, /npm test/);
+  assert.match(workflow, /npm run package/);
+  assert.match(workflow, /unzip -t/);
+  assert.match(workflow, /xvfb-run -a npm run test:e2e/);
+});