Hide sidebar menu on share pages for clean read-only view

Share pages (/share/*) now show no hamburger button and no
sidebar — just the results table with header. Clean, distraction-free
view for shared link recipients.

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

src/client/src/routes/+layout.svelte

@@ -14,9 +14,12 @@
   function closeSidebar() {
     sidebarOpen = false;
   }
+
+  let isSharePage = $derived($page.url.pathname.startsWith('/share'));
 </script>
 
 <div class="relative h-screen overflow-hidden">
+  {#if !isSharePage}
   <!-- Hamburger toggle -->
   <button
     onclick={() => sidebarOpen = !sidebarOpen}
@@ -98,6 +101,7 @@
       </a>
     </nav>
   </aside>
+  {/if}
 
   <!-- Main content (full width) -->
   <main class="h-full overflow-y-auto bg-surface">