enhance deletiontime detection

internal/tasks/dailyAggregate.go

@@ -129,6 +129,9 @@ func (c *CronTask) aggregateDailySummary(ctx context.Context, targetTime time.Ti
 		c.Logger.Error("failed to aggregate daily inventory", "error", err, "date", dayStart.Format("2006-01-02"))
 		return err
 	}
+	if err := db.RefineCreationDeletionFromUnion(ctx, dbConn, summaryTable, unionQuery); err != nil {
+		c.Logger.Warn("failed to refine creation/deletion times", "error", err, "table", summaryTable)
+	}
 	rowCount, err := db.TableRowCount(ctx, dbConn, summaryTable)
 	if err != nil {
 		c.Logger.Warn("unable to count daily summary rows", "error", err, "table", summaryTable)