Collaborative editing with AI is hard

> Unfortunately, the last step is a “draw the rest of the owl” moment. For us, this is deeply entwined in our collab layer, so we don’t have helpful code to share here.

By "the last step" here, do you mean the "do a three-way merge yourself" step? If you do, I would still be interested in hearing about why its "deeply entwined" even without sharing code.