feat: manual dispatch release workflow

.gitea/workflows/release.yml

@@ -0,0 +1,27 @@
+name: release
+
+# Manual release: publishes the latest CHANGELOG.md version to the Gitea npm registry, tags it and
+# links the package to this repo. Idempotent - safe to re-run (repairs partial releases, skips
+# already-published versions). Nightly handles upstream-sync releases automatically.
+on:
+  workflow_dispatch:
+
+jobs:
+  release:
+    if: gitea.ref == 'refs/heads/main'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 24
+      - run: npm ci
+      - run: npm run check
+      - run: npm test
+      - run: npm run build
+      - run: node scripts/release.ts
+        env:
+          SERVER_URL: ${{ gitea.server_url }}
+          REPOSITORY: ${{ gitea.repository }}
+          SHA: ${{ gitea.sha }}
+          TOKEN: ${{ secrets.PACKAGE_TOKEN }}