/**
 * An error the user can act on, as opposed to a bug.
 *
 * These are printed and the process exits non-zero. They deliberately do NOT
 * trigger the fail-open handover to sl0ppij: "no project called foo" or "that
 * session is a saved dead copy" are answers, and replacing them with a raw
 * multiplexer would hide the answer and start a session nobody asked for.
 */
export class UserError extends Error {
  constructor(message: string) {
    super(message);
    this.name = "UserError";
  }
}