perf: exclude inactive catalog rows from report summary lookups

internal/data/business/analytics.go

@@ -228,6 +228,13 @@ func (r *analyticsRepo) Aggregate(ctx context.Context, kind business.AnalyticsKi
 		}
 	}
 	if metricFilter {
+		// Only channels present in the report can contribute to its summary.
+		// Keep zero-activity catalog rows out of the aggregate IN list; large
+		// catalogs would otherwise exhaust MySQL's prepared-statement parameters.
+		factKeys := make([]business.AnalyticsKey, 0, len(rowMap))
+		for key := range rowMap {
+			factKeys = append(factKeys, key)
+		}
 		if f.IncludesInactiveRows() {
 			if err := includeInactiveAnalyticsRows(db, scope, f, rowMap); err != nil {
 				return nil, err
@@ -243,9 +250,11 @@ func (r *analyticsRepo) Aggregate(ctx context.Context, kind business.AnalyticsKi
 			}
 		}
 		if withGlobal {
-			keys := make([]business.AnalyticsKey, 0, len(rowMap))
-			for key := range rowMap {
-				keys = append(keys, key)
+			keys := make([]business.AnalyticsKey, 0, len(factKeys))
+			for _, key := range factKeys {
+				if rowMap[key] != nil {
+					keys = append(keys, key)
+				}
 			}
 			// Deduplicate identities across all matched channels, before pagination.
 			// Summing per-channel counts would double-count shared players.