feat: Add realtime git status updates via WebSocket

- Add file watcher on .git directory in terminal server
- Broadcast git-change events to connected clients
- Frontend auto-refreshes when changes detected
- Visual indicator shows realtime connection status

server/terminal.ts

@@ -5,7 +5,7 @@
  * even when the main server restarts due to code changes.
  */
 
-import { startTerminalServer } from './services/terminal'
+import { startTerminalServer, startGitWatcher } from './services/terminal'
 import { WORKING_DIR } from './config'
 
 console.log('')
@@ -13,6 +13,7 @@ console.log('='.repeat(50))
 console.log('Terminal Server (Independent Process)')
 console.log(`  WebSocket: ws://localhost:4103`)
 console.log(`  Working Dir: ${WORKING_DIR}`)
+console.log(`  Git Watcher: enabled`)
 console.log('')
 console.log('This process is stable and won\'t restart')
 console.log('when the main server reloads.')
@@ -20,3 +21,4 @@ console.log('='.repeat(50))
 console.log('')
 
 startTerminalServer()
+startGitWatcher()