[est]

> doesn’t quite work for cases

In that case, the "Co-authored-by: Copilot" method doesn't quite work either. You have to split the commit somehow.

> this is who’s driving the AI

As indicated by the consistent user.email value.

[sillysaurusx]

Hm, why? Just attribute it to yourself and be done with it. Is there a use case for classifying commits as AI assisted? Besides corporate bureaucracy.