{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://tenantpilot.local/contracts/acknowledge-check.request.schema.json",
  "title": "AcknowledgeVerificationCheckRequest",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "report_id",
    "check_key",
    "ack_reason"
  ],
  "properties": {
    "report_id": {
      "type": ["string", "integer"]
    },
    "check_key": {
      "type": "string",
      "minLength": 1
    },
    "ack_reason": {
      "type": "string",
      "minLength": 1,
      "maxLength": 160
    },
    "expires_at": {
      "description": "Optional informational expiry timestamp.",
      "type": ["string", "null"],
      "format": "date-time"
    }
  }
}