- Include token usage data into model responses ([a61a1a1](https://github.com/gradion-ai/freeact/commit/a61a1a15eb27bd83c3635a892372fe82edd732e0))
- Refactor `execution_environment` context manager ([4c24674](https://github.com/gradion-ai/freeact/commit/4c246743d80b7671a0772ab1b50eca4d9ed2f198))
- optionally print token usage on CLI