Recall 91.5, F1 93.3

I think you need to define which one is the positive, and which one is the negative?

Is AI generated code the positive?

Useless is perhaps a but harsh. It tells you something.

Only if you know the data distribution.

It is pretty easy to get 99.99% accuracy on a dataset that is 99.99% a single class for example.

It tells me nothing because it doesn’t say if they mean precision or recall

It very much tells you something. Accuracy is a measure of overall correctness. Accuracy is something different than precision and recall.