Save and restore favorited and recently viewed Xtream items when
deleting and re-importing playlist content.
- Return favoritedXtreamIds and recentlyViewedXtreamIds from
deleteXtreamPlaylistContent so callers can capture user data before
.
- Add restoreXtreamUserData to the database service to allow restoring
favorites and recently viewed entries after a refresh.
- Query and collect xtreamIds and timestamps for favorites and recently
viewed items in the backend before deleting content.
- Persist the captured user data to localStorage in the recent playlists
component so it can be used to restore state after re-importing the
playlist.
- Keep existing playlist metadata update flow intact.
This prevents loss of user-specific favorites and recent history when
refreshing Xtream playlists.
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