Vacuumスケジューラから起動されるMediaAttachmentsVacuumクラスの実装は下記でorphanは気にしてない感じ
https://github.com/mastodon/mastodon/blob/v4.0.1/app/lib/vacuum/media_attachments_vacuum.rb
GitHubmastodon/media_attachments_vacuum.rb at v4.0.1 · mastodon/mastodonYour self-hosted, globally interconnected microblogging community - mastodon/media_attachments_vacuum.rb at v4.0.1 · mastodon/mastodon