ci: add GitHub Actions workflow to publish to npm on merge to main

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: sweetmantech

.github/workflows/publish.yml

@@ -0,0 +1,37 @@
+name: Publish to npm
+
+on:
+  push:
+    branches: [main]
+
+concurrency:
+  group: publish
+  cancel-in-progress: false
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          registry-url: https://registry.npmjs.org
+
+      - run: pnpm install --frozen-lockfile
+
+      - run: pnpm test
+
+      - run: pnpm build
+
+      - name: Publish to npm
+        run: pnpm publish --no-git-checks
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

package.json

@@ -23,6 +23,9 @@
     "tsup": "^8.0.0",
     "vitest": "^3.2.0"
   },
+  "publishConfig": {
+    "access": "public"
+  },
   "pnpm": {
     "onlyBuiltDependencies": ["esbuild"]
   }