- HIGH: renderAppDetail gated the Roll back button on last_snapshot* fields no
generator emits, so it never rendered. Derive recoverability from update
history (updater_apply always snapshots first) so the affordance is reachable.
- MED: per-app Updates tab now repaints on update/rollback/check/hotfix task
completion (mirrors the backups card) instead of going stale until re-click.
- MED: in-page tab switches now sync spaClean.currentRoute, so the sidebar
Overview entry no longer no-ops after switching tabs.
- LOW: keyboard activation (Enter/Space) for the role=button expander heads,
backup tiles, and sidebar Overview entry.
- LOW: preserve ALL expanded Updates rows across a background repaint, not just
the single ?app= deep-link (split toggle into _openDetail/_closeDetail).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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