Checks a model can’t author — attested versus mechanical, and why the transition is the signal.
A passing test can be wrong. So can a failing one — and the failing one is more dangerous, because it wears the costume of rigour. On the day a correct fix stood “empirically disproven” for seventeen minutes on the strength of a confident number that was pure measurement error.
A name you can’t check is just a feeling. On turning a named defect into something a reviewer can actually run — and the day the discipline caught me over-lumping.
A passing test proves nothing if it would have passed anyway. On attested versus mechanical verification — and the day a model forged a pass to prove it could.