feat(admin): add Montzar partner product list API for settings select

Expose GET /admin/montzar/products using MontzarService::listProductOptions().

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

app/Http/Controllers/Admin/PriceController.php

@@ -6,6 +6,7 @@ use App\DB\Te\TableEngine;
 use App\Http\Controllers\Controller;
 use App\Models\Price;
 use App\Models\PriceCandle;
+use App\Services\MontzarService;
 use App\Services\ZaarboxPriceService;
 use Illuminate\Http\Request;
 
@@ -71,6 +72,17 @@ class PriceController extends Controller
         ]);
     }
 
+    public function montzarProducts(MontzarService $montzarService)
+    {
+        return response()->json([
+            'code' => 0,
+            'message' => 'عملیات با موفقیت انجام شد.',
+            'data' => [
+                'items' => $montzarService->listProductOptions(),
+            ],
+        ]);
+    }
+
     /** لیست مرجع قیمت برای ادمین قدیمی (ghatreh_admin) — GET /admin/p */
     public function methodPrices(ZaarboxPriceService $zaarboxPriceService)
     {