{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "additionalProperties": false,
  "required": ["occurredAt", "playerId", "playerName", "channel", "message"],
  "properties": {
    "occurredAt": { "type": "string", "format": "date-time", "minLength": 1, "maxLength": 40 },
    "playerId": { "type": "string", "minLength": 1, "maxLength": 96 },
    "playerName": { "type": "string", "minLength": 1, "maxLength": 80 },
    "channel": { "type": "string", "enum": ["local", "global", "squad", "admin", "unknown"] },
    "message": { "type": "string", "minLength": 1, "maxLength": 512 }
  }
}