{"status":"ok","service":"api-gateway","message":"灵茫AI API Gateway","version":"2.0.0","endpoints":{"health":"/health","ai":"/api/ai/chat 或 /api/chat","auth":"/api/auth","user":"/api/v1/user","config":"/api/v1/config","rtc":"/api/v1/rtc","profile":"/api/v1/profile","extract":"/api/v1/extract","file":"/api/file","weather":"/api/weather"}}