Add VS Code extension for Robot Framework Skills

.github/workflows/vscode-extension.yml

@@ -0,0 +1,116 @@
+name: VS Code Extension CI
+
+on:
+  push:
+    branches: [main, 'feature/**']
+    paths: ['vscode-rf-skills/**']
+  pull_request:
+    paths: ['vscode-rf-skills/**']
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [20, 22]
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: npm ci
+        working-directory: vscode-rf-skills
+
+      - name: Lint
+        run: npm run lint
+        working-directory: vscode-rf-skills
+
+      - name: Type check
+        run: npm run check-types
+        working-directory: vscode-rf-skills
+
+      - name: Compile
+        run: npm run compile
+        working-directory: vscode-rf-skills
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install Robot Framework
+        run: pip install robotframework
+
+      - name: Install dependencies
+        run: npm ci
+        working-directory: vscode-rf-skills
+
+      - name: Compile
+        run: npm run compile
+        working-directory: vscode-rf-skills
+
+      - name: Run tests
+        run: xvfb-run -a npm test
+        working-directory: vscode-rf-skills
+
+  validate-snippets:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Validate snippet JSON files
+        run: |
+          exit_code=0
+          for f in vscode-rf-skills/snippets/*.json; do
+            echo "Validating $f..."
+            if ! node -e "JSON.parse(require('fs').readFileSync('$f', 'utf8'))"; then
+              echo "FAIL: $f is not valid JSON"
+              exit_code=1
+            fi
+          done
+          if [ "$exit_code" -eq 0 ]; then
+            echo "All snippet files are valid JSON"
+          fi
+          exit $exit_code
+
+  package:
+    needs: [build, validate-snippets]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install dependencies
+        run: npm ci
+        working-directory: vscode-rf-skills
+
+      - name: Build for production
+        run: npm run package
+        working-directory: vscode-rf-skills
+
+      - name: Create VSIX package
+        run: npx vsce package --no-dependencies
+        working-directory: vscode-rf-skills
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: vsix-package
+          path: vscode-rf-skills/*.vsix