Whose Ten Hours Did AI Save?

The PR lands at 3:42. The author is done. Or at least they feel done. The diff is tidy. The tests are plausible. The summary sounds calm. Nobody is being lazy, and nothing obviously terrible happened. An AI-assisted first pass turned a small implementation into a short afternoon instead of a full day. Then the reviewer opens it. Now the real question starts. When an AI coding rollout reports ten…