feat(用户管理): 添加最后登录时间和会员状态功能

- 新增数据库迁移文件添加last_login_time字段
- 在登录逻辑中更新最后登录时间
- 添加FindActiveSubscribesByUserIds方法查询用户订阅状态
- 在用户列表接口中聚合最后登录时间和会员状态信息
- 更新相关API定义和模型结构
- 修复迁移文件版本号冲突问题
- 移除omitempty标签确保字段始终返回

internal/logic/admin/user/getUserListLogic.go

@@ -39,12 +39,40 @@ func (l *GetUserListLogic) GetUserList(req *types.GetUserListRequest) (*types.Ge
 		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "GetUserListLogic failed: %v", err.Error())
 	}
 
+	// Batch fetch active subscriptions
+	userIds := make([]int64, 0, len(list))
+	for _, u := range list {
+		userIds = append(userIds, u.Id)
+	}
+	activeSubs, err := l.svcCtx.UserModel.FindActiveSubscribesByUserIds(l.ctx, userIds)
+	if err != nil {
+		// Log error but continue
+		l.Logger.Error("FindActiveSubscribesByUserIds failed", logger.Field("error", err.Error()))
+	}
+
 	userRespList := make([]types.User, 0, len(list))
 
 	for _, item := range list {
 		var u types.User
 		tool.DeepCopy(&u, item)
 
+		// Set LastLoginTime
+		if item.LastLoginTime != nil {
+			u.LastLoginTime = item.LastLoginTime.Unix()
+		}
+
+		// Set MemberStatus and update LastLoginTime from traffic
+		if info, ok := activeSubs[item.Id]; ok {
+			u.MemberStatus = info.MemberStatus
+			
+			if info.LastTrafficAt != nil {
+				trafficTime := info.LastTrafficAt.Unix()
+				if trafficTime > u.LastLoginTime {
+					u.LastLoginTime = trafficTime
+				}
+			}
+		}
+
 		// 处理 AuthMethods
 		authMethods := make([]types.UserAuthMethod, len(u.AuthMethods)) // 直接创建目标 slice
 		for i, method := range u.AuthMethods {