style: apply prettier formatting across frontend components and pages

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

packages/frontend/src/routes/admin/+layout.svelte

@@ -17,10 +17,12 @@
 
 <div class="min-h-screen bg-background">
   <div class="container mx-auto px-4">
-
     <!-- Mobile top nav -->
     <div class="lg:hidden flex items-center gap-2 py-3 border-b border-border/40">
-      <a href="/" class="text-xs text-muted-foreground hover:text-foreground transition-colors shrink-0 mr-2">
+      <a
+        href="/"
+        class="text-xs text-muted-foreground hover:text-foreground transition-colors shrink-0 mr-2"
+      >
         {$_("admin.nav.back_mobile")}
       </a>
       {#each navLinks as link (link.href)}