Without a model key the settings opened on the keyless deployment default
(OpenRouter). The connect flow now opens on Claude Opus 5, so a new user
only adds a key or signs in. A connected credential, an owner-chosen
default, or a deployment key still decides as before.
Claude-Session: https://claude.ai/code/session_01KWEAjTw26eRf3ZXTXfRjmD
Co-authored-by: Claude <noreply@anthropic.com>