style: apply prettier formatting to svelte and ts files

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/frontend/src/routes/admin/articles/[id]/+page.svelte

@@ -25,7 +25,11 @@
   let tags = $state<string[]>(untrack(() => data.article.tags ?? []));
   let featured = $state(untrack(() => data.article.featured ?? false));
   let publishDate = $state(
-    untrack(() => data.article.publish_date ? new Date(data.article.publish_date).toISOString().slice(0, 16) : ""),
+    untrack(() =>
+      data.article.publish_date
+        ? new Date(data.article.publish_date).toISOString().slice(0, 16)
+        : "",
+    ),
   );
   let imageId = $state<string | null>(untrack(() => data.article.image ?? null));
   let authorId = $state(untrack(() => data.article.author?.id ?? ""));