Function enqueue

src/utils/messageQueueManager.ts:128–135

(command: QueuedCommand)

 * Defaults priority to 'next' (processed before task notifications).
 */
export function enqueue(command: QueuedCommand): void {
  commandQueue.push({ ...command, priority: command.priority ?? 'next' })
  notifySubscribers()
  logOperation(
    'enqueue',
    typeof command.value === 'string' ? command.value : undefined,
  )
}

/**
 * Add a task notification to the queue.