Sign in with the username and password an admin gave you.
Nobody can sign in yet. On the server run python -m agent_web add-user <name>.
python -m agent_web add-user <name>
Claude Code's own sign-in, on this server.
This runs Claude Code's own sign-in on the server. You sign in on Anthropic's page; this console never sees your password, and doesn't keep anything that passes through here.