{"code":200,"message":"success","data":{"message":"欢迎使用 AI Study API - 学习目标管理平台","docs":"/docs","version":"1.0.0","endpoints":{"auth":"/api/v1/auth","users":"/api/v1/users","goals":"/api/v1/goals","check_ins":"/api/v1/check-ins","stats":"/api/v1/stats"}}}