Normalize category and product IDs to strings for int-ID API.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/data/clothes.ts

@@ -24,7 +24,7 @@ export type TechnicalField = {
 export type TechnicalData = Record<string, string>;
 
 export type CategoryNode = {
-  id: number | string;
+  id: string;
   nameFa: string;
   nameEn: string;
   children?: CategoryNode[];
@@ -43,12 +43,12 @@ export type ProductVariantPrice = {
 };
 
 export type Product = {
-  id: number | string;
+  id: string;
   nameFa: string;
   nameEn: string;
   summary?: string;
   description?: string;
-  categoryId: number | string;
+  categoryId: string;
   brandId: string;
   price: number;
   discountPrice?: number;

src/lib/clothes-api.ts

@@ -71,12 +71,12 @@ export function mapVariant(v: ApiProductVariant): ProductVariantPrice {
 
 export function mapProduct(p: ApiProduct): Product {
   return {
-    id: p.id,
+    id: String(p.id),
     nameFa: p.nameFa,
     nameEn: p.nameEn ?? "",
     summary: p.summary ?? "",
     description: p.description ?? "",
-    categoryId: p.categoryId ?? "",
+    categoryId: p.categoryId != null ? String(p.categoryId) : "",
     brandId: p.brandId ?? "",
     price: p.price,
     discountPrice: p.discountPrice ?? undefined,
@@ -264,7 +264,7 @@ function nestCategories(flat: ApiCategory[]): CategoryNode[] {
       (a, b) => a.sortOrder - b.sortOrder,
     );
     return nodes.map((node) => ({
-      id: node.id,
+      id: String(node.id),
       nameFa: node.nameFa,
       nameEn: node.nameEn,
       variants: {
@@ -284,7 +284,7 @@ export async function fetchCategoriesTree(): Promise<CategoryNode[]> {
   const rows = await api<ApiCategory[]>("/categories");
   if (rows.some((r) => r.children && r.children.length)) {
     const mapNode = (node: ApiCategory): CategoryNode => ({
-      id: node.id,
+      id: String(node.id),
       nameFa: node.nameFa,
       nameEn: node.nameEn,
       variants: {