feat(auth): 实现用户认证状态持久化及权限控制优化

- 新增 pinia-plugin-persistedstate 实现用户状态本地存储
- 重构 API 响应类型为统一模块管理
- 优化路由守卫逻辑，支持 token 自动登录
- 修复权限检查逻辑错误，调整 AI 聊天页访问权限
- 新增用户信息获取接口及类型定义

src/main.ts

@@ -4,11 +4,15 @@ import "@arco-design/web-vue/dist/arco.css";
 import "./style.css";
 import App from "./App.vue";
 import router from "./router/router";
-import {createPinia} from "pinia";
+import { createPinia } from "pinia";
+import piniaPluginPersistedstate from "pinia-plugin-persistedstate";
+import "./access";
 
 const app = createApp(App);
 const pinia = createPinia();
+pinia.use(piniaPluginPersistedstate);
+
+app.use(pinia);
 app.use(router);
 app.use(ArcoVue);
-app.use(pinia)
-app.mount("#app");
+app.mount("#app");