admin roadmap filter & search, user management, reopen rejected, system health

components/admin/admin-sidebar.tsx

@@ -9,9 +9,11 @@ import { signOut } from "next-auth/react";
 const NAV_ITEMS: { href: string; label: string; icon: string }[] = [
   { href: "/admin", label: "Dashboard", icon: "📊" },
   { href: "/admin/trips", label: "Trips", icon: "🧭" },
+  { href: "/admin/users", label: "Users", icon: "👥" },
   { href: "/admin/verifications", label: "Verifikasi", icon: "🪪" },
   { href: "/admin/refunds", label: "Refund", icon: "↩️" },
   { href: "/admin/payouts", label: "Payout", icon: "💸" },
+  { href: "/admin/system", label: "System", icon: "⚙️" },
 ];
 
 interface AdminSidebarProps {