Karpathy's Confusion Protocol is now in GStack Karpathy called it: the #1 AI coding failure mode is the agent confidently picking the wrong path at an ambiguous decision point. You lose 10 minutes of work and have to start over. gstack now has an ambiguity gate built into every workflow. Hit a fork in architecture, data modeling, or a destructive operation with unclear scope? The agent stops and asks. No more “I assumed you wanted…” Not a blunt “confirm everything” prompt. Scoped to…