{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/LucioLiu/handoff-protocol/contracts/log-append-receipt.schema.json",
  "title": "Atomic log append receipt",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "exit_code",
    "event_id",
    "timestamp",
    "append_position",
    "provider"
  ],
  "properties": {
    "exit_code": {"const": 0},
    "event_id": {"type": "string", "minLength": 1},
    "timestamp": {"type": "string", "format": "date-time"},
    "append_position": {"type": "integer", "minimum": 0},
    "provider": {"type": "object", "minProperties": 1}
  }
}