agent.submitAction()

static submitAction(
      assistantThreadId: string,
      assistantActionRequiredId: string,
      options?: Omit<AssistantActionResolutionInput, 'decision'>,
    ): Promise<AssistantThreadResponse>;

static submitAction(
      assistantThreadId: string,
      assistantActionRequiredId: string,
      options: Omit<AssistantActionResolutionInput, 'decision'> | undefined,
      stream: AssistantStreamOptions,
    ): Promise<ExecutionStream<AssistantThreadResponse>>;

const response = await agent.submitAction(assistantThreadId, actionId, {
  responsePayload: { selectedPlanId: 'plan-1' },
});