> I've been able to refactor one of the most complicated parts of our code base with similar results. Mechanical refactors are relatively straight forward for agents.

A rewrite of bun in Rust is unlikely to be a trivial mechanical refactor. And if you are not sharing what the complicated parts were, or how big it is, how do we assess that the task was similar?

Unless you are intimately familiar with the bun codebase and you've already made that assessment.