feat(admin): 客服中心工单骨架（模型/迁移/路由/菜单/页面）

routes/web.php

@@ -10,6 +10,7 @@ use App\Http\Controllers\Admin\ProductCategoryController as AdminProductCategory
 use App\Http\Controllers\Admin\ProductController as AdminProductController;
 use App\Http\Controllers\Admin\MerchantController as AdminMerchantController;
 use App\Http\Controllers\Admin\SiteSubscriptionController;
+use App\Http\Controllers\Admin\SupportTicketController;
 use App\Http\Controllers\Front\H5Controller;
 use App\Http\Controllers\Front\PlatformController as FrontPlatformController;
 use App\Http\Controllers\MerchantAdmin\AuthController as MerchantAdminAuthController;
@@ -155,6 +156,9 @@ Route::prefix('admin')->group(function () {
 
         Route::get('/platform-leads', [\App\Http\Controllers\Admin\PlatformLeadController::class, 'index']);
         Route::post('/platform-leads/{lead}/set-status', [\App\Http\Controllers\Admin\PlatformLeadController::class, 'setStatus']);
+
+        // 客服中心（工单）- 先做骨架与扩展点埋口
+        Route::get('/support-tickets', [SupportTicketController::class, 'index']);
     });
 });