Method getBackgroundTaskOutput

packages/node-sdk/src/session.ts:322–337

* Read a background task's captured output. Returns the in-memory * ring buffer if available, otherwise falls back to the persisted * ` /tasks/ /output.log`. `tail` caps the returned * string to that many trailing characters.

(
    taskId: string,
    options: { tail?: number } = {},
  )

   * string to that many trailing characters.
   */
  async getBackgroundTaskOutput(
    taskId: string,
    options: { tail?: number } = {},
  ): Promise<string> {
    this.ensureOpen();
    const trimmedTaskId = normalizeRequiredString(
      taskId,
      'Task id cannot be empty',
      ErrorCodes.BACKGROUND_TASK_ID_EMPTY,
    );
    return this.rpc.getBackgroundTaskOutput({
      sessionId: this.id,
      taskId: trimmedTaskId,
      tail: options.tail,
    });
  }

  /**
   * Request a running background task to stop. Sends SIGTERM with a