ci: add Gitea Actions Cloudflare deploy workflow

.gitea/workflows/deploy-cloudflare.yml

@@ -0,0 +1,32 @@
+# Deploy NexStudio Worker to Cloudflare via Gitea Actions.
+# Primary CI/CD after GitHub -> Gitea cutover. Requires secrets:
+#   CLOUDFLARE_API_TOKEN, CLOUDFLARE_ACCOUNT_ID
+name: Deploy Cloudflare
+
+on:
+  push:
+    branches: [main]
+    paths-ignore:
+      - "**.md"
+      - ".cursor/**"
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build and deploy
+        env:
+          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+        run: npm run deploy:cf