feat: implement tray functionality with status updates and localization support

electron/gateway/manager.ts

@@ -1,6 +1,7 @@
 import { BrowserWindow } from 'electron';
 import { windowManager } from '@electron/service/window-service';
 import logManager from '@electron/service/logger';
+import { updateTrayStatus } from '@electron/main/tray';
 import type { GatewayEvent, RuntimeRefreshTopic } from './types';
 import * as chatHandlers from './handlers/chat';
 import * as providerHandlers from './handlers/provider';
@@ -20,15 +21,15 @@ class GatewayManager {
 
   private setStatus(status: 'connected' | 'disconnected' | 'reconnecting'): void {
     this.status = status;
+    updateTrayStatus(status);
     this.broadcast({ type: 'gateway:status', status });
   }
 
   async init(): Promise<void> {
     if (this.initialized) return;
     this.initialized = true;
-    this.status = 'connected';
     logManager.info('GatewayManager initialized');
-    this.broadcast({ type: 'gateway:status', status: 'connected' });
+    this.setStatus('connected');
   }
 
   async start(): Promise<void> {