- persist the active profile in config.json
- resolve config with --config > active_config > default
- add config list and config use commands
- make auth and config writes target the selected profile
- reset activation to default when deleting the active profile
- update config UI with profile activation controls
- keep token refresh and pipeline execution profile-aware
- add loader, UI, auth, and CLI interaction coverage
- add the built-in Token Plan profile preset
- validate and persist model API keys atomically
- materialize the default Base URL and models on login
- preserve flag > env > config precedence