{"message":"Authentication API is running","version":"1.0.0","endpoints":{"GET /test":"测试页面","POST /api/v1/auth/send-registration-code":"发送注册验证码","POST /api/v1/auth/send-login-code":"发送登录验证码","POST /api/v1/auth/register":"验证码注册","POST /api/v1/auth/login":"验证码登录","GET /api/v1/auth/profile":"获取用户信息（需要认证）"}}