云库增加 AI识图，缓存，我的云库收藏增加安全标志

调用外部API 扣费

Modules/Store.Users/Services/UserQueryService.cs

@@ -16,6 +16,17 @@ internal sealed class UserQueryService(IUserRepository repository) : IUserQueryS
         var user = await repository.GetUser(userName.Trim()) ?? throw new AppException("用户不存在");
         return new UserMapper().ToInfo(user);
     }
+    /// <summary>
+    /// 获取主账号
+    /// </summary>
+    /// <param name="userName"></param>
+    /// <returns></returns>
+    public async Task<UserInfo> GetMainUser(string userName)
+    {
+        RequestValidator.Validate(new UserNameRequest { UserName = userName?.Trim()! });
+        var user = await repository.GetMainUser(userName.Trim()) ?? throw new AppException("用户不存在");
+        return new UserMapper().ToInfo(user);
+    }
 }
 
 internal sealed class UserAuthenticationService(IFreeSql orm, IUserQueryService query)