Index: src/app/admin/page.tsx
===================================================================
--- src/app/admin/page.tsx	(revision 8496f3c2ae490dee80fdf71af9fe30c63996efaf)
+++ src/app/admin/page.tsx	(revision 8496f3c2ae490dee80fdf71af9fe30c63996efaf)
@@ -0,0 +1,5 @@
+import { redirect } from "next/navigation";
+
+export default function AdminIndex() {
+  redirect("/admin/subjects");
+}