Surface post-upgrade release highlights on the Command Center: a
dismissable banner keyed to the running build's release line (major.minor).
It appears when a user upgrades into the line and every patch within it,
then disappears on the next minor. Dismissal is remembered per-line in
localStorage, so dismissing v1.34 won't suppress a future v1.35 note.
Reuses the existing dismissable Alert component and the dashboard's top
banner slot; reads the running version from the appVersion shared prop.
No schema or migration needed — to surface a new release's highlights,
bump WHATS_NEW.version and replace its highlights.
Initial content: Creator Packs and the offline Medication Reference.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>