I think the simpler expectation here is the same one you should have for non-AI code. Don't allow giant PRs without a damn good reason for them. Incremental st

I think the simpler expectation here is the same one you should have for non-AI code. Don't allow giant PRs without a damn good reason for them. Incremental steps, with testing (automated or human) to verify their correctness, that take you from a known-good-to-known-good state.