Also most of the things that would be good have little to do with LLMs. Generating a lot of code with LLMs still feels to me like it fits fine with normal PRs and PR review.
FWIW, Origin is owned by the Graphite folks inside of Cursor: the project was announced by Tomas, Graphite co-founder, at Cursor's Compile conference today.
https://graphite.com/ if you're not familiar, is a tool built on top of GitHub!