fix: sidebar accordion + koja slug + support ticket LINQ crash

Sidebar:
- All groups start collapsed on first load (v4 storage key resets old state)
- Opening one group closes all others (accordion)
- Navigating to a section opens only that section's group

Koja slug:
- SlugHelper: Persian->Latin transliteration, slug validation
- Registration accepts optional custom slug; auto-derives from cafe name
- Slug can be updated from dashboard Settings -> Profile
- Settings PATCH validates uniqueness (SLUG_TAKEN) and format (INVALID_SLUG)
- koja.meezi.ir/{slug} now redirects to /fa/cafe/{slug} (short URL support)

Bug fix:
- SupportTicketService: cafeId/status filters applied before Select() projection
  to fix EF "could not be translated" crash on the support tickets page

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

web/koja/next.config.ts

@@ -50,6 +50,16 @@ const nextConfig: NextConfig = {
       { protocol: "http", hostname: "**" },
     ],
   },
+  async redirects() {
+    return [
+      // Short URL: koja.meezi.ir/my-cafe → koja.meezi.ir/fa/cafe/my-cafe
+      {
+        source: "/:slug([a-z0-9][a-z0-9-]*[a-z0-9])",
+        destination: "/fa/cafe/:slug",
+        permanent: false,
+      },
+    ];
+  },
 };
 
 export default withPWA(withNextIntl(nextConfig));