/** Typed kernel errors carrying a stable machine code. */
export class IiosError extends Error {
  constructor(
    public readonly code: string,
    message: string,
  ) {
    super(message);
    this.name = 'IiosError';
  }
}

/**
 * Thrown when a platform port denies, times out, or is unavailable for a
 * privileged action. The kernel fails CLOSED: nothing is written. (Bottom-Up
 * hard gate; Critics KG-03.)
 */
export class PolicyDeniedError extends IiosError {
  constructor(reason = 'policy denied') {
    super('POLICY_DENIED', reason);
    this.name = 'PolicyDeniedError';
  }
}