Some example cases: if swift code changed review using this skill. If a view was changed ensure this was used. If this module changed build only this changes.

So today I'm introducing musts, a small Rust CLI that creates a validation loop. The agent runs musts validate when it thinks it's done. musts knows what changed in your project and returns the validations that have to run before the task can close.

The agent records evidence. When musts is happy, the loop closes and the changes are done, for real. Please give it a try and let me know if it works for you.
https://github.com/bitomule/musts
https://blog.bitomule.com/posts/introducing-musts