{
  "date": "2026-08-30",
  "challenge": {
    "id": "shadow",
    "title": "The Shadow Game",
    "brief": "Bot follows you and stops exactly 2 blocks away. Too close? It backs up. Too far? It speeds up.",
    "tag": "proportional"
  },
  "failure_of_the_week": [],
  "doctrine": "a beautiful crash teaches more than a boring success — publish your failures"
}