AsyncNotifier wrapping /api/quarantine/mine with optimistic flag /
unflag mutations and an isHidden(trackId) convenience for menu state.
Mirrors the LikedIdsController pattern: optimistic update, rollback
on server error.
Used by the next slice's TrackActionsSheet to power Hide / Unhide.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
