Refactor code

src/app/(admin)/users/page.tsx

@@ -1,11 +1,13 @@
 import { UsersTable } from "@/components/users/UsersTable";
 import { auth } from "@/lib/auth";
+import type { SessionWithRole } from "@/types/auth";
 import { headers } from "next/headers";
 import { redirect } from "next/navigation";
 
+// Admin users list page.
 export default async function UsersPage() {
   const session = await auth.api.getSession({ headers: await headers() });
-  const role = (session as any)?.user?.role as string | undefined;
+  const role = (session as SessionWithRole)?.user?.role;
 
   if (!session) redirect("/login");
   if (role !== "admin") redirect("/");