style: 优化个人中心和偏好设置弹窗样式，重构工作入口为精致分屏布局并移除首字徽标

frontend/src/store/auth.ts

@@ -1,6 +1,7 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
 import { getLoginKey, login as apiLogin, devLogin, fetchMe } from "../api/auth";
+import type { ApiRequestConfig } from "../api/axios";
 import { setToken, clearToken, getToken } from "../utils/auth";
 import { encryptLoginPayload } from "../utils/loginCrypto";
 import type { UserInfo } from "../types/api";
@@ -17,7 +18,7 @@ export const useAuthStore = defineStore("auth", () => {
   const loading = ref(false);
   const forceLogin = ref(false);
 
-  const login = async (email: string, password: string) => {
+  const login = async (email: string, password: string, options: { restoreStudy?: boolean } = {}) => {
     loading.value = true;
     try {
       const { data } =
@@ -29,10 +30,12 @@ export const useAuthStore = defineStore("auth", () => {
       useSessionStore().resetActivity();
       localStorage.setItem(LAST_LOGIN_EMAIL_KEY, email);
       const me = await fetchMeAction();
-      const studyStore = useStudyStore();
-      const userKey = me?.email || email;
-      await studyStore.restoreStudyForUser(userKey, { preferActive: me?.is_admin });
-      await studyStore.loadCurrentStudyPermissions().catch(() => {});
+      if (options.restoreStudy !== false) {
+        const studyStore = useStudyStore();
+        const userKey = me?.email || email;
+        await studyStore.restoreStudyForUser(userKey, { preferActive: me?.is_admin });
+        await studyStore.loadCurrentStudyPermissions().catch(() => {});
+      }
       forceLogin.value = false;
     } finally {
       loading.value = false;
@@ -53,8 +56,8 @@ export const useAuthStore = defineStore("auth", () => {
     });
   };
 
-  const fetchMeAction = async () => {
-    const { data } = await fetchMe();
+  const fetchMeAction = async (config?: ApiRequestConfig) => {
+    const { data } = await fetchMe(config);
     user.value = data;
     if (data?.email) {
       localStorage.setItem(LAST_LOGIN_EMAIL_KEY, data.email);