alt Hacker NewsDepending on the size it might make sense as a kind of commit metadata reference to external, like the signed-off-by field.
Chat-Session-Ref: claude://gjhgdvbnjuteshjoiyew
Perhaps that could also link out to other kinds of meeting transcripts or something too.
That wouldn't be very portable. A benefit of committing to your history is that it lives with the code no matter where the code or the AI service you use goes.