While building an AI code review product (Orange Codens), there was one design problem that dominated everything else: when the reviewer is AI and the fixer is AI, you can very easily build an infinite loop. Walk it through. Orange reviews a PR and finds a problem. It doesn't stop at the comment — it hands the fix off to another Codens (Purple / Red) to produce a fix PR. But that fix PR is also a PR. Orange reviews it. New code, new findings. Hand off again. Fix. Review again. A human revi...