feat: implement new structure

backend/database/models/tenant_join_requests.query.gen.go

@@ -28,7 +28,7 @@ func newTenantJoinRequest(db *gorm.DB, opts ...gen.DOOption) tenantJoinRequestQu
 	_tenantJoinRequestQuery.ID = field.NewInt64(tableName, "id")
 	_tenantJoinRequestQuery.TenantID = field.NewInt64(tableName, "tenant_id")
 	_tenantJoinRequestQuery.UserID = field.NewInt64(tableName, "user_id")
-	_tenantJoinRequestQuery.Status = field.NewField(tableName, "status")
+	_tenantJoinRequestQuery.Status = field.NewString(tableName, "status")
 	_tenantJoinRequestQuery.Reason = field.NewString(tableName, "reason")
 	_tenantJoinRequestQuery.DecidedAt = field.NewTime(tableName, "decided_at")
 	_tenantJoinRequestQuery.DecidedOperatorUserID = field.NewInt64(tableName, "decided_operator_user_id")
@@ -45,16 +45,16 @@ type tenantJoinRequestQuery struct {
 	tenantJoinRequestQueryDo tenantJoinRequestQueryDo
 
 	ALL                   field.Asterisk
-	ID                    field.Int64  // 主键ID：自增
-	TenantID              field.Int64  // 租户ID：多租户隔离关键字段；所有查询/写入必须限定 tenant_id
-	UserID                field.Int64  // 申请人用户ID：发起加入申请的用户
-	Status                field.Field  // 申请状态：pending/approved/rejected；状态变更需记录 decided_at 与 decided_operator_user_id
-	Reason                field.String // 申请原因：用户填写的加入说明（可选）
-	DecidedAt             field.Time   // 处理时间：审核通过/拒绝时记录（UTC）
-	DecidedOperatorUserID field.Int64  // 处理人用户ID：租户管理员（审计用）
-	DecidedReason         field.String // 处理说明：管理员通过/拒绝的原因（可选，审计用）
-	CreatedAt             field.Time   // 创建时间：默认 now()
-	UpdatedAt             field.Time   // 更新时间：默认 now()
+	ID                    field.Int64
+	TenantID              field.Int64
+	UserID                field.Int64
+	Status                field.String
+	Reason                field.String
+	DecidedAt             field.Time
+	DecidedOperatorUserID field.Int64
+	DecidedReason         field.String
+	CreatedAt             field.Time
+	UpdatedAt             field.Time
 
 	fieldMap map[string]field.Expr
 }
@@ -74,7 +74,7 @@ func (t *tenantJoinRequestQuery) updateTableName(table string) *tenantJoinReques
 	t.ID = field.NewInt64(table, "id")
 	t.TenantID = field.NewInt64(table, "tenant_id")
 	t.UserID = field.NewInt64(table, "user_id")
-	t.Status = field.NewField(table, "status")
+	t.Status = field.NewString(table, "status")
 	t.Reason = field.NewString(table, "reason")
 	t.DecidedAt = field.NewTime(table, "decided_at")
 	t.DecidedOperatorUserID = field.NewInt64(table, "decided_operator_user_id")