"This works but the app is slow, can you optimize it." I'm not even kidding, most of the time this is all that's needed. Repo patterns don't really matter because humans barely end up looking at the code.

We've had a customer send us a prototype of what they wanted built with AI, and they don't have a college degree in anything. It followed our codebase patterns without any prompting, included tests, and all we had to do was wire up the backend.