- model.options now returns all canonical providers (not just
authenticated), each with authenticated/auth_type/key_env fields
- New model.save_key RPC method: saves API key to .env, sets in
process, returns refreshed provider with models
- Picker shows ● (authed) / ○ (no key) markers with dimmed styling
- Selecting an unauthenticated api_key provider opens inline masked
key input — after save, transitions directly to model selection
- Non-api_key auth providers show guidance to run hermes model
- Row numbers now show absolute position in list