When AI Debuggers make tests pass… and the system worse

AI-assisted debugging feels magical the first time you use it: you paste in a failing test, get back a patch, and suddenly everything is green. And yet, after a few weeks, a pattern emerges: the system works, but it is subtly worse than before. More checks.More wrappers.Blurred boundaries.Weaker guarantees. Nothing is obviously broken. Yet. This …