feat: 更新 PWA 安装逻辑，添加 Service Worker 注册和安装提示处理

src/main.ts

@@ -1,5 +1,6 @@
 import { IonicVue } from "@ionic/vue";
 import { createPinia } from "pinia";
+import { useRegisterSW } from "virtual:pwa-register/vue";
 import { createApp } from "vue";
 import uiComponents from "@/ui";
 import App from "./App.vue";
@@ -41,6 +42,30 @@ import "./theme/ionic.css";
 
 useTheme();
 
+// 注册 PWA Service Worker（使用 Vue 3 Composition API）
+const { offlineReady, needRefresh, updateServiceWorker } = useRegisterSW({
+  onRegistered(registration) {
+    console.log("[PWA] Service Worker registered:", registration);
+  },
+  onRegisterError(error) {
+    console.error("[PWA] Service Worker registration failed:", error);
+  },
+  immediate: true,
+});
+
+// 监听 PWA 状态
+watch(offlineReady, (ready) => {
+  if (ready) {
+    console.log("[PWA] App ready to work offline.");
+  }
+});
+
+watch(needRefresh, (refresh) => {
+  if (refresh) {
+    console.log("[PWA] New content available, please refresh.");
+  }
+});
+
 function initTradingView() {
   const { VITE_TRADINGVIEW_LIBRARY_URL } = useEnv();
   const promise1 = new Promise((resolve) => {