Sharpen the axe before cutting wood. Trigger when the user's goal is vaguely stated (one sentence with multiple reasonable readings), a big task lacks success criteria, the user admits they haven't thought it through, or the user says "sharpen first" / "磨刀": use fool-proof questioning (max 5 questio
Sharpen the axe before cutting wood. Trigger when the user's goal is vaguely stated (one sentence with multiple reasonable readings), a big task lacks success criteria, the user admits they haven't thought it through, or the user says "sharpen first" / "磨刀": use fool-proof questioning (max 5 questions, multiple-choice preferred, every question carrying a recommendation, assume-and-proceed when una