feat: unify owned and competitor work analysis

internal/creator/models.go

@@ -231,6 +231,10 @@ type WorkFilter struct {
 	MinLikes          *int64
 	MinComments       *int64
 	MinShares         *int64
+	MinCollectCount   *int64
+	MinPlayCount      *int64
+	SortBy            string
+	SortOrder         string
 	Growth            WorkGrowthFilter // 点赞增量筛选（爆品），空窗口不启用
 }