feat: show file match count badge in search results

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/app/(app)/stls/page.tsx

@@ -49,6 +49,7 @@ export default async function StlFilesPage({ searchParams }: Props) {
       totalCount={result.pagination.total}
       ingestionStatus={ingestionStatus}
       availableTags={availableTags}
+      searchTerm={search}
     />
   );
 }