debug: log token param in ClientPage

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

src/app/client/[token]/page.tsx

@@ -89,6 +89,7 @@ export default async function ClientPage({
   params: Promise<{ token: string }>;
 }) {
   const { token } = await params;
+  console.log("[ClientPage] token param:", token);
 
   const clientData = await getCachedClientData(token);
   if (!clientData) notFound();