fix: include React in serverless runtimes (#5581)

* fix: include React in serverless runtimes

* fix: use pnpm for desktop packaging

* style: format desktop manifest

* style: format template manifests

Author: steve8708

packages/desktop-app/package.json

@@ -67,5 +67,6 @@
     "vite": "catalog:",
     "vitest": "^4.1.10"
   },
+  "packageManager": "pnpm@10.29.1",
   "productName": "Agent-Native"
 }