- Introduced a new API structure with FastAPI, including routers for runs and settings.
- Implemented endpoints for creating, listing, and retrieving run configurations.
- Added settings management with load and update functionality.
- Integrated SQLite checkpointing for durable state management during analysis.
- Updated dependencies in `pyproject.toml` and `requirements.txt` to include FastAPI and related packages.
- Enhanced `.gitignore` to exclude SQLite checkpoints and results directories.
- OpenAI: add GPT-5.4, GPT-5.4 Pro; remove o-series and legacy GPT-4o
- Anthropic: add Claude Opus 4.6, Sonnet 4.6; remove legacy 4.1/4.0/3.x
- Google: add Gemini 3.1 Pro, 3.1 Flash Lite; remove deprecated
gemini-3-pro-preview and Gemini 2.0 series
- xAI: clean up model list to match current API
- Simplify UnifiedChatOpenAI GPT-5 temperature handling
- Add missing tradingagents/__init__.py (fixes pip install building)