Function defineBenchTask

packages/evals/framework/defineTask.ts:35–44

(
  meta: BenchTaskMeta,
  fn: (ctx: BenchTaskContext) => Promise<void | TaskResult>,
)

 * Bench tasks receive { v3, agent, page, logger, input, ... } and return TaskResult.
 */
export function defineBenchTask(
  meta: BenchTaskMeta,
  fn: (ctx: BenchTaskContext) => Promise<void | TaskResult>,
): TaskDefinition {
  return {
    __taskDefinition: true,
    meta,
    fn,
  };
}

/**
 * Generic defineTask — for cases where the tier is ambiguous at definition time.