✨ feat: add release workflow for automated GitHub releases

Author: dermatz

.github/workflows/release.yml

@@ -0,0 +1,77 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: "lts/*"
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        uses: coactions/setup-xvfb@v1
+        with:
+          run: npm test
+
+      - name: Package extension
+        run: |
+          npx @vscode/vsce package
+
+      - name: Get version from tag
+        id: get_version
+        run: |
+          VERSION=${GITHUB_REF#refs/tags/v}
+          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
+          echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
+
+      - name: Extract changelog for version
+        id: changelog
+        run: |
+          VERSION=${GITHUB_REF#refs/tags/v}
+          # Extract changelog section for this version
+          sed -n "/## \[$VERSION\]/,/## \[/p" CHANGELOG.md | sed '$d' > release_notes.md
+          if [ ! -s release_notes.md ]; then
+            echo "No changelog found for version $VERSION"
+            echo "# Release $VERSION" > release_notes.md
+            echo "See CHANGELOG.md for details." >> release_notes.md
+          fi
+
+      - name: Create GitHub Release
+        uses: ncipollo/release-action@v1
+        with:
+          artifacts: "*.vsix"
+          bodyFile: "release_notes.md"
+          draft: false
+          prerelease: false
+          name: "Release ${{ steps.get_version.outputs.TAG }}"
+          tag: ${{ steps.get_version.outputs.TAG }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+    # Publishing to marketplaces requires secrets to be configured
+    # VSCE_PAT and OVSX_PAT need to be added as repository secrets
+    # Uncomment and configure these steps when ready to publish
+
+    # - name: Publish to VS Code Marketplace
+    #   run: npx @vscode/vsce publish --pat ${{ secrets.VSCE_PAT }}
+    #   if: secrets.VSCE_PAT != null
+
+    # - name: Publish to Open VSX Registry
+    #   run: npx ovsx publish *.vsix --pat ${{ secrets.OVSX_PAT }}
+    #   if: secrets.OVSX_PAT != null