Transient post-upload banner for issue #296: singular/plural German copy,
aria-live=polite for screen readers, manual X dismiss, 8s auto-dismiss.
"Jetzt ergänzen →" CTA links directly to /enrich so seniors can continue
straight into the enrichment flow after a batch upload.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
