中文：收口权限与中心/立项配置改造

frontend/src/main.ts

@@ -10,6 +10,7 @@ import "./styles/unified-page.css";
 
 import App from "./App.vue";
 import router from "./router";
+import { getToken } from "./utils/auth";
 import { useStudyStore } from "./store/study";
 
 const app = createApp(App);
@@ -21,7 +22,9 @@ app.use(ElementPlus, { locale: zhCn });
 // 初始化项目上下文
 const studyStore = useStudyStore();
 studyStore.loadCurrentStudy();
-await studyStore.rehydrateStudyForLastUser();
+if (getToken()) {
+  await studyStore.rehydrateStudyForLastUser();
+}
 
 app.use(router);
 await router.isReady();