fix(app-state): refactor quitting logic to use setQuitting function (#199)

electron/main/index.ts

@@ -15,13 +15,13 @@ import { warmupNetworkOptimization } from '../utils/uv-env';
 
 import { ClawHubService } from '../gateway/clawhub';
 import { ensureClawXContext, repairClawXOnlyBootstrapFiles } from '../utils/openclaw-workspace';
+import { isQuitting, setQuitting } from './app-state';
 
 // Disable GPU acceleration for better compatibility
 app.disableHardwareAcceleration();
 
 // Global references
 let mainWindow: BrowserWindow | null = null;
-let isQuitting = false;
 const gatewayManager = new GatewayManager();
 const clawHubService = new ClawHubService();
 
@@ -239,7 +239,7 @@ app.on('window-all-closed', () => {
 });
 
 app.on('before-quit', () => {
-  isQuitting = true;
+  setQuitting();
   // Fire-and-forget: do not await gatewayManager.stop() here.
   // Awaiting inside before-quit can stall Electron's quit sequence.
   void gatewayManager.stop().catch((err) => {