docs: def context_completion_checker(async):
      """Persist async marker and async the completion check"""
  
      store_async_marker(async.id, async.result.status if async.result else -1)
  
      logging.debug("Async check completion for: %s", async.context_id)
      current_queue = _get_current_queue()
      from furious.async import Async
      logging.debug("Completion Check queue:%s", current_queue)
      Async(_completion_checker, queue=current_queue,
            args=(async.id, async.context_id)).start()
  
      return True