feat: 重构用户认证逻辑，添加导航重定向功能，更新相关组件和路由

src/views/onchain-address/index.vue

@@ -1,7 +1,8 @@
 <script lang='ts' setup>
 import { copyOutline, qrCodeOutline, shareOutline } from "ionicons/icons";
 
-const { user } = useAuth();
+const userStore = useUserStore();
+const { user } = storeToRefs(userStore);
 </script>
 
 <template>