jiu/client/lib/models/product_image.dart

class ProductImage {
  final int id;
  final int productId;
  final String url;
  final int sortOrder;

  const ProductImage({
    required this.id,
    required this.productId,
    required this.url,
    required this.sortOrder,
  });

  factory ProductImage.fromJson(Map<String, dynamic> json) => ProductImage(
        id: (json['id'] as num).toInt(),
        productId: (json['product_id'] as num).toInt(),
        url: json['url'] as String,
        sortOrder: (json['sort_order'] as num? ?? 0).toInt(),
      );
}