diff --git a/services/telegramBot.js b/services/telegramBot.js
index bdeb560..7556b3f 100644
--- a/services/telegramBot.js
+++ b/services/telegramBot.js
@@ -7,6 +7,9 @@ const mikrotikSvc = require('./mikrotikService');
 const customerDevice = require('./customerDeviceService');
 const whatsappService = require('./whatsappService');
 const db = require('../config/database');
+const monitoringSvc = require('./monitoringService');
+const oltSvc = require('./oltService');
+const ticketSvc = require('./ticketService');
 
 let bot = null;
 
@@ -680,6 +683,76 @@ function initTelegram() {
     bot.sendMessage(msg.chat.id, res, { parse_mode: 'Markdown' });
   });
 
+
+  // ── Monitoring (admin): /sistem /tunggakan /tiket /olt /trafik ──
+  bot.onText(/\/(sistem|monitor|health)/i, async (msg) => {
+    if (!isAdmin(msg)) return;
+    try {
+      const h = monitoringSvc.getHealthStatus();
+      const m = (h && h.metrics) ? h.metrics : monitoringSvc.getAllMetrics();
+      const sys = (m && m.system) || {};
+      const cpu = (sys.cpu && sys.cpu.usage != null) ? sys.cpu.usage : '-';
+      const cores = (sys.cpu && sys.cpu.cores) ? sys.cpu.cores : '-';
+      const ram = (sys.memory && sys.memory.percentage != null) ? sys.memory.percentage : '-';
+      const ramUsed = (sys.memory && sys.memory.used) ? sys.memory.used : '-';
+      const ramTotal = (sys.memory && sys.memory.total) ? sys.memory.total : '-';
+      const disk = (m && m.disk && m.disk.percentage) ? m.disk.percentage : '-';
+      const la = sys.loadAverage || {};
+      let t = `🖥️ *MONITORING SISTEM*\n\n`;
+      t += `⚙️ CPU : *${cpu}%* (${cores} core)\n`;
+      t += `🧠 RAM : *${ram}%* (${ramUsed}/${ramTotal})\n`;
+      t += `📀 Disk: *${disk}*\n`;
+      t += `⏳ Load: ${la['1min'] != null ? la['1min'] : '-'} / ${la['5min'] != null ? la['5min'] : '-'} / ${la['15min'] != null ? la['15min'] : '-'}\n`;
+      t += `🕒 Uptime: ${sys.uptime || '-'}\n`;
+      if (h && h.issues && h.issues.length) t += `\n🔴 *Masalah:*\n- ${h.issues.join('\n- ')}`;
+      if (h && h.warnings && h.warnings.length) t += `\n🟡 *Peringatan:*\n- ${h.warnings.join('\n- ')}`;
+      bot.sendMessage(msg.chat.id, t, { parse_mode: 'Markdown' });
+    } catch (e) { bot.sendMessage(msg.chat.id, 'Gagal: ' + e.message); }
+  });
+
+  bot.onText(/\/tunggakan/i, async (msg) => {
+    if (!isAdmin(msg)) return;
+    try {
+      const row = db.prepare("SELECT COUNT(*) c, COALESCE(SUM(amount),0) s FROM invoices WHERE status='unpaid'").get();
+      const top = db.prepare("SELECT c.name, COALESCE(c.customer_code,'-') code, SUM(i.amount) t FROM invoices i JOIN customers c ON c.id=i.customer_id WHERE i.status='unpaid' GROUP BY i.customer_id ORDER BY t DESC LIMIT 8").all();
+      let t = `💰 *TUNGGAKAN*\n\nTotal: *${row.c} tagihan*\nNominal: *Rp ${Number(row.s).toLocaleString('id-ID')}*\n`;
+      if (top.length) { t += `\n*Top ${top.length}:*\n`; top.forEach((r, i) => { t += `${i + 1}. ${r.name} (${r.code}) — Rp ${Number(r.t).toLocaleString('id-ID')}\n`; }); }
+      bot.sendMessage(msg.chat.id, t, { parse_mode: 'Markdown' });
+    } catch (e) { bot.sendMessage(msg.chat.id, 'Gagal: ' + e.message); }
+  });
+
+  bot.onText(/\/tiket/i, async (msg) => {
+    if (!isAdmin(msg)) return;
+    try {
+      const s = ticketSvc.getTicketStats();
+      const open = ticketSvc.getAllTickets('open') || [];
+      let t = `🎫 *TIKET*\n\nOpen: *${s.open}* · Proses: *${s.inProgress}* · Selesai: *${s.resolved}*\n`;
+      if (open.length) { t += `\n*Open terbaru:*\n`; open.slice(0, 8).forEach(x => { t += `#${x.id} ${x.subject} — ${x.customer_name || '-'}\n`; }); }
+      bot.sendMessage(msg.chat.id, t, { parse_mode: 'Markdown' });
+    } catch (e) { bot.sendMessage(msg.chat.id, 'Gagal: ' + e.message); }
+  });
+
+  bot.onText(/\/(olt|oltstatus|olt-status)/i, async (msg) => {
+    if (!isAdmin(msg)) return;
+    bot.sendMessage(msg.chat.id, '📡 Mengambil status OLT, mohon tunggu…');
+    try {
+      const o = await oltSvc.getAllOltsStats();
+      let t = `📡 *OLT STATUS*\n\nONU total: *${o.onus_total}*\n🟢 Online: *${o.onus_online}*\n🔴 Offline: *${o.onus_offline}*\n🟡 Lemah: *${o.onus_weak}*\n`;
+      if (o.error) t += `\n_Catatan: ${o.error}_`;
+      bot.sendMessage(msg.chat.id, t, { parse_mode: 'Markdown' });
+    } catch (e) { bot.sendMessage(msg.chat.id, 'Gagal: ' + e.message); }
+  });
+
+  bot.onText(/\/(trafik|online)/i, async (msg) => {
+    if (!isAdmin(msg)) return;
+    try {
+      let count = 0;
+      try { const map = await mikrotikSvc.getAllActiveSessionsMap(); count = (map && map.size != null) ? map.size : ((map && map.length) || 0); } catch (e) {}
+      const t = `📶 *SESI AKTIF*\n\nPPPoE/Hotspot online: *${count}* sesi\n`;
+      bot.sendMessage(msg.chat.id, t, { parse_mode: 'Markdown' });
+    } catch (e) { bot.sendMessage(msg.chat.id, 'Gagal: ' + e.message); }
+  });
+
   bot.onText(/\/ringkasan/i, async (msg) => {
     if (!isAdmin(msg)) return;
     const chatId = msg.chat.id;