openclaw models auth login --provider google-antigravity --set-defaulthttp://localhost:51121/oauth-callback127.0.0.1:51121.openclaw in Docker/WSL/SSH/remote box, but the browser you’re using is on a different machine (so “localhost” is the wrong localhost). http://localhost:51121/..., but it can’t reach the listener (common IPv6-ish symptom: browser tries ::1 first; listener is IPv4-only on 127.0.0.1).