Add user management

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

@@ -0,0 +1,27 @@
+import { UsersTable } from "@/components/users/UsersTable";
+import { auth } from "@/lib/auth";
+import { headers } from "next/headers";
+import { redirect } from "next/navigation";
+
+export default async function UsersPage() {
+  const session = await auth.api.getSession({ headers: await headers() });
+  const role = (session as any)?.user?.role as string | undefined;
+
+  if (!session) redirect("/login");
+  if (role !== "admin") redirect("/");
+
+  return (
+    <div className="mx-auto max-w-5xl p-6 space-y-6">
+      <div className="flex items-end justify-between gap-4">
+        <div className="space-y-1">
+          <h1 className="text-2xl font-semibold tracking-tight">Users</h1>
+          <p className="text-sm text-muted-foreground">
+            Manage admin accounts and staff users.
+          </p>
+        </div>
+      </div>
+
+      <UsersTable />
+    </div>
+  );
+}