feat(integration): 實作並測試 POS 與販賣機訂單同步 API

主要變更：
- 實作 POS 與販賣機訂單同步邏輯，支援多租戶與 Sanctum 驗證。
- 修正多租戶識別中間件與 Sanctum 驗證順序問題。
- 切換快取驅動至 Redis 以支援 Tenancy 標籤功能。
- 新增商品同步 API (Upsert) 及相關單元測試。
- 新增手動測試腳本 tests/manual/test_integration_api.sh。
- 前端新增銷售訂單來源篩選與欄位顯示。

app/Modules/Integration/Controllers/VendingOrderSyncController.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Modules\Integration\Controllers;
+
+use App\Http\Controllers\Controller;
+use App\Modules\Integration\Requests\SyncVendingOrderRequest;
+use App\Modules\Integration\Actions\SyncVendingOrderAction;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Support\Facades\Log;
+
+class VendingOrderSyncController extends Controller
+{
+    protected $syncVendingOrderAction;
+
+    public function __construct(SyncVendingOrderAction $syncVendingOrderAction)
+    {
+        $this->syncVendingOrderAction = $syncVendingOrderAction;
+    }
+
+    /**
+     * 接收並同步販賣機交易訂單
+     *
+     * @param SyncVendingOrderRequest $request
+     * @return JsonResponse
+     */
+    public function store(SyncVendingOrderRequest $request): JsonResponse
+    {
+        try {
+            $result = $this->syncVendingOrderAction->execute($request->validated());
+
+            $statusCode = ($result['status'] === 'exists') ? 200 : 201;
+
+            return response()->json([
+                'message' => $result['message'],
+                'order_id' => $result['order_id'] ?? null,
+            ], $statusCode);
+
+        } catch (\Illuminate\Validation\ValidationException $e) {
+            return response()->json([
+                'message' => 'Validation failed',
+                'errors' => $e->errors()
+            ], 422);
+
+        } catch (\Exception $e) {
+            Log::error('Vending Order Sync Failed', [
+                'error' => $e->getMessage(),
+                'trace' => $e->getTraceAsString(),
+                'payload' => $request->all()
+            ]);
+
+            return response()->json([
+                'message' => 'Sync failed: An unexpected error occurred.'
+            ], 500);
+        }
+    }
+}