feat(inventory): 販賣機視覺優化、修復匯入日期缺失與倉庫刪除權限錯誤

app/Modules/Inventory/Controllers/WarehouseController.php

@@ -156,8 +156,9 @@ class WarehouseController extends Controller
 
     public function destroy(Warehouse $warehouse)
     {
-        // 檢查是否有相關聯的採購單
-        if ($warehouse->purchaseOrders()->exists()) {
+        // 檢查是否有相關聯的採購單 (跨模組檢查，不使用模型關聯以符合解耦規範)
+        $hasPurchaseOrders = \App\Modules\Procurement\Models\PurchaseOrder::where('warehouse_id', $warehouse->id)->exists();
+        if ($hasPurchaseOrders) {
             return redirect()->back()->with('error', '無法刪除：該倉庫有相關聯的採購單，請先處理採購單。');
         }