refactor: remove obsolete member management API module

apps/web/app/[locale]/home/[account]/events/page.tsx

@@ -47,13 +47,13 @@ export default async function EventsPage({ params, searchParams }: PageProps) {
 
   const page = Number(search.page) || 1;
   const api = createEventManagementApi(client);
-  const events = await api.listEvents(acct.id, { page });
+  const events = await api.events.list(acct.id, { page });
 
   // Fetch registration counts for all events on this page
   const eventIds = events.data.map((eventItem: Record<string, unknown>) =>
     String(eventItem.id),
   );
-  const registrationCounts = await api.getRegistrationCounts(eventIds);
+  const registrationCounts = await api.events.getRegistrationCounts(eventIds);
 
   // Pre-compute stats before rendering
   const uniqueLocationCount = new Set(