[STYLE] 商品管理與分類管理 UI 標準化，補全多語系翻譯

app/Http/Controllers/Admin/MachineController.php

@@ -131,7 +131,7 @@ class MachineController extends AdminController
      */
     public function slotsAjax(Machine $machine)
     {
-        $slots = $machine->slots()->with('product:id,name,image')->orderByRaw('CAST(slot_no AS UNSIGNED) ASC')->get();
+        $slots = $machine->slots()->with('product:id,name,image_url')->orderByRaw('CAST(slot_no AS UNSIGNED) ASC')->get();
         
         return response()->json([
             'success' => true,