chore: fix packageManager version to match installed bun

https://claude.ai/code/session_01FVE7bSfST5rpzbEmUhNiBU

Author: claude

package.json

@@ -4,7 +4,7 @@
   "description": "AI-powered development tool",
   "private": true,
   "type": "module",
-  "packageManager": "bun@1.3.10",
+  "packageManager": "bun@1.3.9",
   "scripts": {
     "dev": "bun run --cwd packages/opencode --conditions=browser src/index.ts",
     "dev:desktop": "bun --cwd packages/desktop tauri dev",