[GUI] ensureDaemon race condition with config reading

[Vantalens]

File: packages/gui/src/daemon-client/client.ts:33

Severity: High

Description:
ensure_daemon may not finish spawning daemon before get_daemon_config reads config; race condition where config has stale/missing token if daemon writes config asynchronously.

Code:

await invoke('ensure_daemon');
return invoke<DaemonConfig>('get_daemon_config');

Failure Scenario:

• ensure_daemon spawns daemon process
• get_daemon_config immediately reads ~/.codepanion/config.json
• Daemon hasn't finished writing token to config yet
• GUI gets empty/stale token
• Subsequent API calls fail with 401 Unauthorized

Suggested Fix:
Make ensure_daemon wait for daemon health check AND config file write before returning, or return config directly from ensure_daemon instead of reading separately.