{"api":"/api/v2/","endpoints":["POST /api/v2/users/login - 用户登录","POST /api/v2/solitaires - 创建接龙","GET /api/v2/solitaires/active - 获取活动接龙","POST /api/v2/participants/solitaire/:id/join - 参与接龙"],"message":"接龙小程序后端服务","version":"2.0"}