using Application.Abstractions.Messaging; namespace Application.Features.Api.YouTube.PubSubNotify; /// /// YouTube PubSub Atom Feed 알림 처리 /// 새 영상/생방송 알림을 받아 라이브 판별 → BroadcastSession 생성 /// public sealed record Command( string VideoID, string YouTubeChannelID, string Title, DateTime Published, DateTime Updated ) : ICommand;