Based on the list of contributors to your project, I am not sure this starting location is optimally suited to the task of building a foundation for polished, reliable, expandable software.
The sneering on HN really has no end. This is a good project! I for one am very excited to see an interpreter born out of rust.
In that case I kindly refer you to the matter of Arkell v. Pressdam.
It's having ~ 5000 tests already. Used correctly, AI agents can help you improve the quality of the code!