fix: update device name handling in notification service to ensure fallback value is used

services/notifikasi-wa.service.js

@@ -393,7 +393,7 @@ class NotifikasiWaService {
             const now = new Date();
             const year = now.getFullYear();
             const reminderAt = new Date(deviceReminder[0].reminder_at);
-            const deviceName = new Date(deviceReminder[0].device_name);
+            const deviceName = deviceReminder[0].device_name ?? '-';
 
             // 🔹 ambil bulan & jam dalam timezone server
             const nowParts = new Intl.DateTimeFormat('en-US', {