Method detachBackgroundTask

packages/node-sdk/src/session.ts:367–378

* Detach a running foreground task so the current tool call can return while * the task continues under background-task management.

(taskId: string)

   * the task continues under background-task management.
   */
  async detachBackgroundTask(taskId: string): Promise<BackgroundTaskInfo | undefined> {
    this.ensureOpen();
    const trimmedTaskId = normalizeRequiredString(
      taskId,
      'Task id cannot be empty',
      ErrorCodes.BACKGROUND_TASK_ID_EMPTY,
    );
    return this.rpc.detachBackgroundTask({
      sessionId: this.id,
      taskId: trimmedTaskId,
    });
  }

  /**
   * Block until every still-running background task (across all agents in this