feat: ✨ 实现记住我功能并重构认证逻辑为统一的Auth工具类

src/constants/cache-keys.ts

@@ -4,4 +4,5 @@
 export const ACCESS_TOKEN_KEY = "access_token";
 export const REFRESH_TOKEN_KEY = "refresh_token";
 export const DICT_CACHE_KEY = "dict_cache";
+export const REMEMBER_ME_KEY = "remember_me";
 // 可在此处添加其他缓存键