feat: Implement client payment history endpoint and add type filtering to product category API.

app/Http/Controllers/Api/Service/ProductCategoryController.php

@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers\Api\Service;
 
+use App\Enums\Product\ProductTypeEnums;
 use App\Http\Controllers\Controller;
 use App\Http\Resources\Api\Service\ProductCategoryResource;
 use App\Http\Resources\Api\Service\ServiceResource;
@@ -23,7 +24,14 @@ class ProductCategoryController extends Controller
      *     operationId="getProductCategoryList",
      *     tags={"Product Categories"},
      *     summary="Get list of product categories",
-     *     description="Returns a list of active product categories with their children",
+     *     description="Returns a list of active product categories filtered by type. The `type` parameter is required.",
+     *     @OA\Parameter(
+     *         name="type",
+     *         in="query",
+     *         description="Product type filter (e.g. vps, hosting, cloud, email, ssl, domain, web design, addon)",
+     *         required=true,
+     *         @OA\Schema(type="string")
+     *     ),
      *     @OA\Response(
      *         response=200,
      *         description="Successful operation",
@@ -47,12 +55,35 @@ class ProductCategoryController extends Controller
      *                 ))
      *             ))
      *         )
+     *     ),
+     *     @OA\Response(
+     *         response=422,
+     *         description="Missing or invalid type filter"
      *     )
      * )
      */
     public function getCategories(Request $request)
     {
+        $type = $request->query('type');
+
+        if (!$type) {
+            return response()->json([
+                'error' => true,
+                'message' => 'Vui lòng chọn Phân loại sản phẩm',
+                'data' => [],
+            ], 422);
+        }
+
+        if (!ProductTypeEnums::tryFrom($type)) {
+            return response()->json([
+                'error' => true,
+                'message' => 'Phân loại sản phẩm không hợp lệ',
+                'data' => [],
+            ], 422);
+        }
+
         $categories = ProductCategories::where('is_active', true)
+            ->where('type', $type)
             ->whereNull('parent_id')
             ->with(['children' => function($query) {
                 $query->where('is_active', true)