Function enqueue_pending_notification

src/utils/message_queue_manager.py:44–53

Push a notification onto the global queue. Mirrors TS ``enqueuePendingNotification``. Idempotency is the caller's responsibility — chapter-10 / WI-3.2's ``notified`` check-and-set is what guards against duplicate XML; this queue is a dumb FIFO.

(*, value: str, mode: NotificationMode = "task-notification")

def enqueue_pending_notification(*, value: str, mode: NotificationMode = "task-notification") -> None:
    """Push a notification onto the global queue.

    Mirrors TS ``enqueuePendingNotification``. Idempotency is the
    caller's responsibility — chapter-10 / WI-3.2's ``notified``
    check-and-set is what guards against duplicate XML; this queue
    is a dumb FIFO.
    """
    with _lock:
        _queue.append(PendingNotification(value=value, mode=mode))


def drain_pending_notifications(