{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://developer.reits.tech/schemas/contracts/v1/error-envelope.v1.schema.json",
  "title": "ErrorEnvelope",
  "type": "object",
  "additionalProperties": false,
  "required": ["code", "message", "traceId", "retryable"],
  "properties": {
    "code": { "type": "string", "pattern": "^[a-z][a-z0-9_]{2,63}$" },
    "message": { "type": "string", "minLength": 1, "maxLength": 512 },
    "traceId": { "type": "string", "minLength": 1, "maxLength": 128 },
    "retryable": { "type": "boolean" },
    "details": { "type": "object", "additionalProperties": true }
  }
}