Fix jwt-token

server/index.js

@@ -236,7 +236,7 @@ async function startServer() {
       deviceHealthService.start();
       console.log('🏥 Device health monitoring: ✅ Started');
       
-      // Graceful shutdown for device health service
+      // Graceful shutdown for services
       process.on('SIGTERM', () => {
         console.log('SIGTERM received, shutting down gracefully');
         deviceHealthService.stop();