Add GitHub Actions workflow for npm publishing

Author: amitguptagwl

.github/workflows/publish.yml

@@ -0,0 +1,50 @@
+name: Publish to npm
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write   # needed to create the GitHub release
+  id-token: write    # needed for npm trusted publishing (OIDC)
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    # If you set an "Environment name" on the npm trusted publisher page,
+    # uncomment the line below and use the same name. This lets you add a
+    # required-reviewer gate in repo Settings > Environments if you want
+    # one last manual "approve" click before publish actually runs.
+    # environment: npm-publish
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 24
+          registry-url: 'https://registry.npmjs.org'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Type check
+        run: npm run typecheck --if-present
+
+      - name: Run tests
+        run: npm test --if-present
+
+      - name: Build
+        run: npm run build --if-present
+
+      - name: Publish to npm
+        run: npm publish
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          generate_release_notes: true