{
  "mode": "02-connect-1234",
  "notes": "自由生长模式的掉落权重，以及通用半径、邻接参数。挑战关使用 campaign.json 的固定初始数列和补球队列。自由模式开局至少一条合法链，否则重掷。",
  "startCount": 16,
  "minCount": 12,
  "maxCount": 16,
  "weights": { "1": 40, "2": 30, "3": 20, "4": 10 },
  "weightsWhenBigPresent": { "1": 45, "2": 30, "3": 20, "4": 5 },
  "bigThreshold": 7,
  "connectSlack": 1.35,
  "radius": { "base": 22, "perLevel": 6 }
}