style: complete housekeeping improvements - online users widget, sidebar cleanup

src/app/admin/commandocentrum/page.tsx

@@ -16,7 +16,7 @@ import {
   executeCommand,
   sendGift,
 } from "@/actions/commandocentrum";
-import { DiagnosticRow, InfoItem, StatusCard } from "@/components/admin/dashboard";
+import { DiagnosticRow, InfoItem, StatusCard, OnlineUsersWidget } from "@/components/admin/dashboard";
 import { prisma } from "@/lib/prisma";
 import { rcon } from "@/lib/services/rcon";
 import { siteSettings } from "@/lib/services/site-settings";
@@ -122,6 +122,15 @@ export default async function CommandoCentrum() {
         />
       </div>
 
+      {/* ── Online users widget ───────────────────────────────── */}
+      <section className="card" style={{ marginBottom: "1.5rem" }}>
+        <h2 style={{ marginTop: 0 }}>Online Users</h2>
+        <OnlineUsersWidget
+          users={[]}
+          isLoading={false}
+        />
+      </section>
+
       {/* ── Server info + diagnostics ──────────────────────────── */}
       <div className="grid cols-2">
         <section className="card">