[JohnFen]

> my answer to publicly available AI, regarding grading, has been to only let work by students I have seen been done myself (or staff, trusted implicitly) count

Of all of the tactics I've heard teachers taking, this is the one that seems both the most effective and most fair. It's a terrible thing that it's necessary because it's a less effective use of classroom time, but it's hard to think of a better approach.