feat: 增加销量下滑分析报表功能

internal/biz/ding_talk_bot.go

@@ -548,6 +548,13 @@ func (d *DingTalkBotBiz) handleReport(ctx context.Context, rec *entitys.Recogniz
 			return _err
 		}
 		reports = append(reports, repo...)
+	case "report_sale_down_analysis":
+		product := strings.Split(group.ProductName, ",")
+		repo, _err := rep.GetStatisOfficialProductSumDecline(t, bbxt.DownWardValue, product, bbxt.SumFilter)
+		if _err != nil {
+			return _err
+		}
+		reports = append(reports, repo)
 	default:
 		return fmt.Errorf("未找到的报表:%s", rec.Match.Index)
 	}