- Simplify model display names (remove verbose descriptions)
- Add use-model.sh for quick profile switching (dev-corp/ornith/fable/sonnet/opus)
- Change default gateway port from 18443 to 18444
- Remove deprecated ANTHROPIC_CUSTOM_MODEL_OPTION env vars
- Support system/developer role messages in OpenAI conversion
- Remove gateway-models.json cache (no longer needed)
- Add environment variables for gateway port and PATH in launchd plist