Initial commit: X-Server Mobile enterprise tool system

- Frontend: React 18 + TypeScript + Vite + Ant Design Mobile
- Backend: PHP 8.5 + Webman 2.x + MySQL + Redis
- i18n support: Chinese, English, Russian, Spanish, French
- Approval workflow engine
- Docker development environment
- Feishu integration

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app/Controller/BaseController.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Controller;
+
+use Webman\Http\Request;
+use Webman\Http\Response;
+
+abstract class BaseController
+{
+    /**
+     * 成功响应
+     */
+    protected function success($data = null, string $message = 'success'): Response
+    {
+        return json([
+            'code' => 0,
+            'message' => $message,
+            'data' => $data,
+        ]);
+    }
+
+    /**
+     * 错误响应
+     */
+    protected function error(string $message = 'error', int $code = 1, $data = null): Response
+    {
+        return json([
+            'code' => $code,
+            'message' => $message,
+            'data' => $data,
+        ]);
+    }
+
+    /**
+     * 获取当前用户ID
+     */
+    protected function getUserId(Request $request): ?int
+    {
+        return $request->userId ?? null;
+    }
+}