fix: limit channel report rows to the selected period

internal/data/business/analytics.go

@@ -216,23 +216,8 @@ func (r *analyticsRepo) Aggregate(ctx context.Context, kind business.AnalyticsKi
 			putAnalyticsCount(&rowFor(po).Counts, po.Metric, po.Count)
 		}
 	}
-	// Keep visible channels with no events in the selected period so that
-	// "no registration / no recharge" can find genuinely inactive channels.
-	if kind == business.ChannelAnalytics && len(f.GameNames) == 0 {
-		root := "p.id"
-		if scope.IncludeSub {
-			root = "CASE WHEN p.promote_level=1 THEN p.id WHEN p.top_promote_id>0 THEN p.top_promote_id ELSE p.id END"
-		}
-		var channels []analyticsAggPO
-		if err := analyticsPromotes(db, scope, f, "p").Select("DISTINCT p.source_db," + root + " AS entity_id").Scan(&channels).Error; err != nil {
-			return nil, business.ErrStorage
-		}
-		for _, po := range channels {
-			if po.ID != nil {
-				rowFor(po)
-			}
-		}
-	}
+	// Report rows come from facts in the selected period. Registration/payment
+	// filters narrow that same set; they must not add the entire channel catalog.
 	if kind == business.ChannelAnalytics && !scope.Viewer.All {
 		if err := filterAnalyticsRows(db, scope, f, rowMap); err != nil {
 			return nil, err