GitHub CI and release workflow

.github/workflows/ci-and-release.yml

@@ -0,0 +1,78 @@
+name: CI and Release
+
+on:
+  pull_request:
+    branches: [main]
+    types: [opened, synchronize, reopened]
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: write
+
+jobs:
+  test-and-release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Check version tag does not exist
+        run: |
+          VERSION=$(node -p "require('./package.json').version")
+          if git ls-remote --tags origin | grep -q "refs/tags/v${VERSION}$"; then
+            echo "::error::Tag v${VERSION} already exists. Bump version in package.json first."
+            exit 1
+          fi
+          echo "VERSION=${VERSION}" >> $GITHUB_ENV
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm test
+
+      - name: Create version tags
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        run: |
+          VERSION="${{ env.VERSION }}"
+          MAJOR=$(echo "$VERSION" | cut -d. -f1)
+
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+          git tag "v${VERSION}"
+          git tag -f "v${MAJOR}"
+          git push origin "v${VERSION}" "+v${MAJOR}"
+
+      - name: Write job summary
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        run: |
+          VERSION="${{ env.VERSION }}"
+          MAJOR=$(echo "$VERSION" | cut -d. -f1)
+          SHA="${{ github.sha }}"
+
+          cat >> $GITHUB_STEP_SUMMARY << EOF
+          ## Release Summary
+
+          | Item         | Value                            |
+          |--------------|----------------------------------|
+          | Version      | \`${VERSION}\`                   |
+          | Commit       | \`${SHA:0:7}\`                   |
+          | Tags Created | \`v${VERSION}\`, \`v${MAJOR}\`   |
+
+          Users can reference this action as:
+          - \`uses: boldtrail/pr-integration-action@v${VERSION}\` - exact version
+          - \`uses: boldtrail/pr-integration-action@v${MAJOR}\` - latest v${MAJOR}.x.x
+          EOF

AGENTS.md

@@ -6,8 +6,9 @@ A GitHub Action that automatically integrates approved Pull Requests into a stag
 
 - **Run locally:** `npm start` (runs `node src/main.js`, requires GitHub Action environment variables)
 - **Install dependencies:** `npm install`
+- **Run tests:** `npm test` (vitest, tests in `test/`)
 - **Manual test:** Trigger via GitHub Actions workflow dispatch (`.github/workflows/test_workflow.yml`)
-- No test suite, linter, or build step is configured.
+- No linter or build step is configured.
 
 ## Architecture
 
@@ -61,7 +62,7 @@ Inputs: `repository`, `github_token`, `token_with_workflow_scope`, `master_branc
 
 Output: `haveUpdates` — "yes" or "no"
 
-Runtime: node16 (per action.yml)
+Runtime: node20 (per action.yml)
 
 
 ## Formatting

action.yml

@@ -40,5 +40,5 @@ outputs:
     description: Indicates whether any new or updated PRs were integrated. Values 'yes', 'no'
 
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'entrypoint.js'