The page has no live feed, so a completed backup/restore wasn't reflected
until a manual Refresh or re-navigation. Subscribe to the TaskEventBus
'taskCompleted' event and repaint on backup/restore completions. Debounced
to coalesce the burst when several per-app tasks finish together; only the
mounted instance reacts and a stale listener removes itself. The Refresh
button stays as a manual pull.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
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