Function createGoalExecutor

createGoalExecutor(options: GoalExecutorOptions): Executor
Builds an executor that drafts, reviews and refines until a goal is met.
Parameters
- options: GoalExecutorOptions
  Draft and review executors, plus the refine and satisfied predicates.
Returns Executor
An executor that iterates up to maxIterations times.
Example
```
export default createGoalExecutor({
  draft: "core/turn-1",
  review: "core/critic-1",
  satisfied: (review) => extractContentText(review).includes("APPROVED"),
  refine: (request, answer, review) => appendUserMessage(request, extractContentText(review)),
});
```