{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "threshold": {
      "type": "number",
      "default": 3,
      "minimum": 2,
      "maximum": 10,
      "description": "触发复读的最少人数"
    },
    "cooldown": {
      "type": "number",
      "default": 30000,
      "minimum": 5000,
      "maximum": 300000,
      "description": "同一群冷却时间 (ms)"
    },
    "maxLength": {
      "type": "number",
      "default": 200,
      "minimum": 10,
      "maximum": 1000,
      "description": "消息长度上限"
    }
  }
}