[
  {
    "key": "MIN_CHANGE_PERCENT",
    "value": 1.0,
    "type": "number",
    "category": "scan",
    "description": "稳妥增效一档：24h涨跌幅绝对值门槛从2%降至1%，主流币更易进入候选池"
  },
  {
    "key": "MIN_SIGNAL_STRENGTH",
    "value": 7,
    "type": "number",
    "category": "strategy",
    "description": "稳妥增效一档：最低信号强度 8→7，略增机会"
  },
  {
    "key": "ENTRY_SYMBOL_COOLDOWN_SEC",
    "value": 1200,
    "type": "number",
    "category": "strategy",
    "description": "稳妥增效一档：同币种开仓冷却 1800s→1200s（20分钟）"
  }
]