feat: 添加主定调过滤选项，优化内容列表查询功能

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

@@ -88,6 +88,7 @@ type CreatorContentListFilter struct {
 	requests.Pagination
 	Status  *string `query:"status"`
 	Genre   *string `query:"genre"`
+	Key     *string `query:"key"`
 	Keyword *string `query:"keyword"`
 }
 

backend/app/services/creator.go

@@ -128,6 +128,9 @@ func (s *creator) ListContents(
 			q = q.Where(tbl.Genre.Eq(val))
 		}
 	}
+	if filter.Key != nil && *filter.Key != "" {
+		q = q.Where(tbl.Key.Eq(*filter.Key))
+	}
 	if filter.Keyword != nil && *filter.Keyword != "" {
 		q = q.Where(tbl.Title.Like("%" + *filter.Keyword + "%"))
 	}