feat: 添加内容排序功能，优化内容列表查询和加载状态处理

backend/app/http/v1/creator.go

@@ -2,6 +2,7 @@ package v1
 
 import (
 	"quyun/v2/app/http/v1/dto"
+	"quyun/v2/app/requests"
 	"quyun/v2/app/services"
 	"quyun/v2/database/models"
 
@@ -75,7 +76,7 @@ func (c *Creator) ListContents(
 	ctx fiber.Ctx,
 	user *models.User,
 	filter *dto.CreatorContentListFilter,
-) ([]dto.CreatorContentItem, error) {
+) (*requests.Pager, error) {
 	return services.Creator.ListContents(ctx, user.ID, filter)
 }
 

backend/app/http/v1/dto/creator.go

@@ -93,8 +93,9 @@ type CreatorContentListFilter struct {
 	Status     *string `query:"status"`
 	Visibility *string `query:"visibility"`
 	Genre      *string `query:"genre"`
-	Key     *string `query:"key"`
-	Keyword *string `query:"keyword"`
+	Key        *string `query:"key"`
+	Keyword    *string `query:"keyword"`
+	Sort       *string `query:"sort"`
 }
 
 type CreatorOrderListFilter struct {