Scope knowledge and image libraries by brand

server/internal/shared/retrieval/qdrant.go

@@ -38,6 +38,7 @@ type VectorPoint struct {
 type SearchRequest struct {
 	Vector   []float64
 	TenantID int64
+	BrandID  int64
 	GroupIDs []int64
 	Limit    int
 }
@@ -193,6 +194,9 @@ func (s *qdrantStore) Search(ctx context.Context, req SearchRequest) ([]SearchPo
 			sdk.NewMatchKeyword("status", "active"),
 		},
 	}
+	if req.BrandID > 0 {
+		filter.Must = append(filter.Must, sdk.NewMatchInt("brand_id", req.BrandID))
+	}
 	groupIDs := normalizeGroupIDs(req.GroupIDs)
 	if len(groupIDs) > 0 {
 		filter.Must = append(filter.Must, sdk.NewMatchInts("group_id", groupIDs...))