chore: sync local changes (2026-03-12)

mengyanote-frontend/src/main.jsx

@@ -4,11 +4,20 @@ import { createRoot } from 'react-dom/client'
 import './index.css'
 import App from './App.jsx'
 import ErrorBoundary from './components/ErrorBoundary.jsx'
+import { registerSW } from 'virtual:pwa-register'
 
 console.log('[MengyaNote] 应用启动...');
 console.log('[MengyaNote] 环境:', import.meta.env.MODE);
 console.log('[MengyaNote] API地址:', import.meta.env.VITE_API_BASE || 'http://192.168.1.233:2424');
 
+// PWA：注册 Service Worker，有新版本时自动更新
+registerSW({
+  onNeedRefresh() {},
+  onOfflineReady() {
+    console.log('[MengyaNote] 内容已缓存，可离线使用');
+  }
+});
+
 createRoot(document.getElementById('root')).render(
   <StrictMode>
     <ErrorBoundary>