Function showNewVersionNotification

src/store/migration.ts:209–232

* Check if the app version changed since last visit and show a notification if so. * Caches the current app version in localStorage so we can detect upgrades.

()

 * Caches the current app version in localStorage so we can detect upgrades.
 */
function showNewVersionNotification(): void {
  if (typeof window === 'undefined') return;

  const currentVersion = typeof __APP_VERSION__ === 'string' ? __APP_VERSION__ : '';
  if (!currentVersion) return;

  const lastSeenVersion = localStorage.getItem(STORAGE_KEYS.lastSeenVersion);

  // First visit ever — just record the version, no notification
  if (lastSeenVersion === null) {
    localStorage.setItem(STORAGE_KEYS.lastSeenVersion, currentVersion);
    return;
  }

  // Same version — nothing to do
  if (lastSeenVersion === currentVersion) return;

  // Version changed — show notification and update cached version
  useNotificationStore.getState().addNotification(
    'info',
    `Updated to v${currentVersion}! Consider resetting settings via the ⟳ button in Settings to enable new defaults.`
  );
  localStorage.setItem(STORAGE_KEYS.lastSeenVersion, currentVersion);
}

export function initStoreMigration(): boolean {
  const migratedLegacyStore = migrateFromLegacyStore();