fix(ci): add npm registry auth to release publish job (#319)

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.github/workflows/release-pr.yml

@@ -90,6 +90,9 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: "24"
+          registry-url: https://registry.npmjs.org
 
       - name: Publish package
         run: npm publish --provenance --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}