fix

apps/api/internal/processing/catalog_fix.go

@@ -37,13 +37,14 @@ func ClearWeakEnhanceHashes(ctx context.Context, pool *pgxpool.Pool, companyID u
 
 // BackfillCategoriesFromMapped copies mapped_data category unique_ids onto
 // processed_products.category when the processed category is empty/"none".
-// Uses Go-side categoryUniqueIDFromMaps (nested/array shapes) and validates
-// against the company taxonomy when categories exist.
+// Uses Go-side categoryUniqueIDFromMaps (nested/array shapes), coerces display
+// names onto taxonomy unique_ids, and validates against the company taxonomy
+// when categories exist.
 func BackfillCategoriesFromMapped(ctx context.Context, pool *pgxpool.Pool, companyID uuid.UUID) (updated int, err error) {
 	if pool == nil {
 		return 0, fmt.Errorf("nil pool")
 	}
-	valid, err := loadCompanyCategoryUniqueIDs(ctx, pool, companyID)
+	valid, namesByUID, err := loadCompanyCategoryTaxonomy(ctx, pool, companyID)
 	if err != nil {
 		return 0, err
 	}
@@ -87,10 +88,10 @@ func BackfillCategoriesFromMapped(ctx context.Context, pool *pgxpool.Pool, compa
 		if cat == "" {
 			continue
 		}
-		if len(valid) > 0 {
-			if _, ok := valid[cat]; !ok {
-				continue
-			}
+		if resolved := resolveCompanyCategoryUniqueID(cat, namesByUID, valid); resolved != "" {
+			cat = resolved
+		} else if len(valid) > 0 {
+			continue
 		}
 		ct, err := pool.Exec(ctx, `
 			UPDATE processed_products
@@ -121,25 +122,36 @@ func BackfillCategoriesFromMapped(ctx context.Context, pool *pgxpool.Pool, compa
 }
 
 func loadCompanyCategoryUniqueIDs(ctx context.Context, pool *pgxpool.Pool, companyID uuid.UUID) (map[string]struct{}, error) {
-	out := map[string]struct{}{}
+	valid, _, err := loadCompanyCategoryTaxonomy(ctx, pool, companyID)
+	return valid, err
+}
+
+func loadCompanyCategoryTaxonomy(ctx context.Context, pool *pgxpool.Pool, companyID uuid.UUID) (map[string]struct{}, map[string]string, error) {
+	valid := map[string]struct{}{}
+	namesByUID := map[string]string{}
 	rows, err := pool.Query(ctx, `
-		SELECT unique_id FROM categories
+		SELECT unique_id, name FROM categories
 		WHERE company_id = $1 AND COALESCE(NULLIF(btrim(unique_id), ''), '') <> ''`, companyID)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 	defer rows.Close()
 	for rows.Next() {
-		var uid string
-		if err := rows.Scan(&uid); err != nil {
-			return nil, err
+		var uid, name string
+		if err := rows.Scan(&uid, &name); err != nil {
+			return nil, nil, err
 		}
 		uid = strings.TrimSpace(uid)
-		if uid != "" {
-			out[uid] = struct{}{}
+		name = strings.TrimSpace(name)
+		if uid == "" {
+			continue
+		}
+		valid[uid] = struct{}{}
+		if name != "" {
+			namesByUID[uid] = name
 		}
 	}
-	return out, rows.Err()
+	return valid, namesByUID, rows.Err()
 }
 
 // FixCatalogHygiene clears poisoned enhance hashes and optionally backfills categories.