Fix jwt-token

server/services/socketService.js

@@ -1,6 +1,11 @@
 function initializeSocketHandlers(io) {
   io.on('connection', (socket) => {
-    const clientIP = socket.handshake.address || socket.request.connection.remoteAddress || 'unknown';
+    // Get real client IP from proxy headers (nginx forwarded headers)
+    const clientIP = socket.handshake.headers['x-forwarded-for']?.split(',')[0]?.trim() || 
+                     socket.handshake.headers['x-real-ip'] || 
+                     socket.handshake.address || 
+                     socket.request.connection.remoteAddress || 
+                     'unknown';
     console.log(`Client connected: ${socket.id} from IP: ${clientIP}`);
     
     // Join device-specific rooms for targeted updates