feat: 更新用户、订单、媒体资产和租户模型，添加新的字段类型和结构体

backend/app/services/user.go

@@ -48,8 +48,9 @@ func (s *user) LoginWithOTP(ctx context.Context, phone, otp string) (*auth_dto.L
 				Username: phone, // 默认用户名 = 手机号
 				Password: "",    // 免密登录
 				Nickname: "User_" + phone[len(phone)-4:],
-				Status:   string(consts.UserStatusVerified), // 默认已审核？需确认业务逻辑
+				Status:   consts.UserStatusVerified, // 默认已审核
 				Roles:    types.Array[consts.Role]{consts.RoleUser},
+				Gender:   consts.GenderSecret, // 默认性别
 			}
 			if err := query.Create(u); err != nil {
 				return nil, errorx.ErrDatabaseError.WithMsg("创建用户失败")
@@ -60,7 +61,7 @@ func (s *user) LoginWithOTP(ctx context.Context, phone, otp string) (*auth_dto.L
 	}
 
 	// 3. 检查状态
-	if u.Status == string(consts.UserStatusBanned) {
+	if u.Status == consts.UserStatusBanned {
 		return nil, errorx.ErrAccountDisabled
 	}
 
@@ -182,7 +183,7 @@ func (s *user) toAuthUserDTO(u *models.User) *auth_dto.User {
 		Phone:              u.Phone,
 		Nickname:           u.Nickname,
 		Avatar:             u.Avatar,
-		Gender:             consts.Gender(u.Gender),
+		Gender:             u.Gender, // Direct assignment, types match
 		Bio:                u.Bio,
 		Balance:            float64(u.Balance) / 100.0,
 		Points:             u.Points,