[REFACTOR] 統一訂單同步 API 錯誤回應與修正 Linter 警告

database/seeders/LocalTenantSeeder.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Seeder;
+use App\Modules\Core\Models\Tenant;
+
+class LocalTenantSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        // 建立預設租戶 demo
+        $tenant = Tenant::firstOrCreate(
+            ['id' => 'demo'],
+            ['tenancy_db_name' => 'tenant_demo']
+        );
+
+        // 建立域名對應 localhost
+        $tenant->domains()->firstOrCreate(
+            ['domain' => 'localhost'],
+            ['tenant_id' => 'demo']
+        );
+        
+        $this->command->info('Local tenant "demo" with domain "localhost" created/restored.');
+    }
+}