AGENTS.md is becoming the new code review contract (opens in new tab)

GitHub added a small Copilot code review feature this week that feels bigger than the changelog entry. Copilot code review can now read repository-level AGENTS.md instructions. That sounds like a nice quality-of-life improvement. Put your preferences in a file. Tell the agent how the project works. Get fewer weird review comments. Fine. But I think the more interesting version is this: code review is starting to depend on machine-readable engineering judgment. Not only style rules. Not only l...