formulateNumberedWorker = formulaNumber => {
    /** @type {WorkerFormula} */
    const formula = {
      type: 'worker',
    };

    return /** @type {FormulateResult<EndoWorker>} */ (
      formulate(formulaNumber, formula)
    );
  }
Formulates a `worker` formula and synchronously adds it to the formula graph.
The returned promise is resolved after the formula is persisted.

@param {string} formulaNumber - The worker formula number.
@returns {ReturnType<DaemonCore['formulateWorker']>}