ci: auto-deploy Cloudflare Worker on index.js changes

Triggers wrangler deploy whenever index.js or wrangler.toml is pushed
to main — no manual deploy step needed.

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

Author: cobra3282000

.github/workflows/deploy-worker.yml

@@ -0,0 +1,19 @@
+name: Deploy Cloudflare Worker
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'index.js'
+      - 'wrangler.toml'
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Deploy Worker
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}