fix(wa): notifikasi LUNAS lewat gateway aktif + approve APK

- isConnected GOWA: tangani /devices array (state connected)
- app-customer payment-notif: pakai waNotify, bukan Baileys
- customerAPI approve kolektor + payment-unmatched: kirim WA lunas
- versi 0.5.13

routes/adminPortal.js

@@ -4925,6 +4925,29 @@ router.post('/payment-unmatched/:id/match', requireAdminSession, express.urlenco
         if (!unpaid) await customerSvc.activateCustomer(inv.customer_id);
       }
     } catch (e) {}
+
+    // Notifikasi WA lunas ke pelanggan
+    try {
+      const cust = customerSvc.getCustomerById(inv.customer_id);
+      if (cust && cust.phone) {
+        const pkg = cust.package_id ? customerSvc.getPackageById(cust.package_id) : null;
+        await sendPaymentSuccessWA(
+          cust.phone,
+          cust.name,
+          `${inv.period_month}/${inv.period_year}`,
+          Number(inv.amount || 0).toLocaleString('id-ID'),
+          'Manual (Webhook)',
+          {
+            customerId: cust.id,
+            invoiceId: inv.id,
+            username: cust.pppoe_username || cust.id,
+            customerCode: cust.customer_code || '',
+            packageName: pkg?.name || cust.package_name || '-',
+            paidAt: new Date(), method: 'Manual (Webhook)'
+          }
+        );
+      }
+    } catch (e) {}
     req.session._msg = { type: 'success', text: 'Invoice #' + invId + ' ditandai LUNAS & notif dicocokkan.' };
   } catch (e) {
     req.session._msg = { type: 'error', text: 'Gagal cocokkan: ' + e.message };

routes/customerAPI.js

@@ -2359,6 +2359,37 @@ router.post('/app/admin/collector-payments/approve', requireAdminApiAuth, async
       if (unpaidCount === 0) {
         try { await customerSvc.activateCustomer(pay.customer_id); } catch (_) {}
       }
+
+      // Notifikasi WA lunas ke pelanggan (gateway aktif)
+      try {
+        const customer = customerSvc.getCustomerById(pay.customer_id);
+        const inv = billingSvc.getInvoiceById(pay.invoice_id);
+        if (customer && customer.phone && inv) {
+          const settings = getSettingsWithCache();
+          const waNotify = require('../services/waNotifyService');
+          const whatsappService = require('../services/whatsappService');
+          const pkg = customer.package_id ? customerSvc.getPackageById(customer.package_id) : null;
+          const appUrl = String(settings.public_base_url || '').replace(/\/$/, '');
+          const template = db.getAppSetting('whatsapp_payment_success_message', '');
+          const msg = whatsappService.formatPaymentSuccessMessage({
+            customerName: customer.name,
+            invoiceId: inv.id,
+            customerUsername: customer.pppoe_username || customer.id || '-',
+            customerCode: customer.customer_code || '',
+            packageName: pkg?.name || customer.package_name || '-',
+            periodMonth: inv.period_month,
+            periodYear: inv.period_year,
+            amount: inv.amount,
+            paymentMethod: collectorLabel,
+            paidAt: new Date(),
+            companyName: settings.company_header || 'OPEN-ISP',
+            companyPhone: settings.company_phone || '',
+            portalUrl: appUrl ? appUrl + '/customer' : '',
+            customTemplate: template
+          });
+          await waNotify.sendText(customer.phone, msg);
+        }
+      } catch (_) {}
     }
     res.json({ success: true, message: 'Pembayaran berhasil di-approve dan tagihan ditandai LUNAS' });
   } catch (e) { res.status(500).json({ success: false, message: e.message }); }