* docs: update CHANGELOG for v1.6.0 release
* fix: improve error logging for chat model configuration issues (#358)
- Add detailed error logging in provision.py when model lookup fails
- Add warning logging in models.py when default model is not configured
- Add traceback logging in chat router exception handler
- Update Ollama docs with model name configuration guidance
- Update troubleshooting docs with "Failed to send message" solutions
- Bump version to 1.6.1
* chore: uvlock