feat: prepare Zhinian desktop pilot

electron/main/index.ts

@@ -40,6 +40,7 @@ import { createSignalQuitHandler } from './signal-quit';
 import { acquireProcessInstanceFileLock } from './process-instance-lock';
 import { getSetting } from '../utils/store';
 import { ensureBuiltinSkillsInstalled, ensurePreinstalledSkillsInstalled } from '../utils/skill-config';
+import { stopNianxxPlayService } from '../utils/nianxx-play-service';
 
 import { startHostApiServer } from '../api/server';
 import { HostEventBus } from '../api/event-bus';
@@ -622,6 +623,7 @@ if (gotTheLock) {
 
     hostEventBus.closeAll();
     hostApiServer?.close();
+    stopNianxxPlayService();
     void extensionRegistry.teardownAll();
 
     const stopPromise = gatewayManager.stop().catch((err) => {