feat: 添加应用版本检查与更新提示功能；更新环境变量以支持版本管理

src/App.vue

@@ -7,6 +7,7 @@ const { locale, loadSavedLanguage } = useLanguage();
 const { initializeWallet } = useWalletStore();
 const { updateProfile } = useUserStore();
 const platform = usePlatform();
+const { checkAndPromptUpdate } = useAppUpdate();
 
 onMounted(() => {
   if (!isAuthenticated.value)
@@ -18,6 +19,9 @@ onMounted(() => {
       userStore.updateProfile();
     }
   });
+  useTimeoutFn(() => {
+    checkAndPromptUpdate();
+  }, 3000);
 });
 
 onBeforeMount(() => {