Fix jwt-token

server/routes/detectors.js

@@ -107,14 +107,16 @@ async function handleHeartbeat(req, res) {
   console.log(`💓 Heartbeat received from device key: ${key}`);
   console.log('💗 Complete heartbeat data:', JSON.stringify(req.body, null, 2));
   
-  // If device_id is not provided, try to find device by key
-  let deviceId = device_id;
-  if (!deviceId) {
-    // Try to extract device ID from key or use key as identifier
-    const keyMatch = key.match(/device[_-]?(\d+)/i);
-    deviceId = keyMatch ? parseInt(keyMatch[1]) : key.hashCode();
+  // Use device_id if provided, otherwise use key as device identifier
+  let deviceId = device_id || key;
+  
+  // Convert to integer if it's a numeric string
+  if (typeof deviceId === 'string' && /^\d+$/.test(deviceId)) {
+    deviceId = parseInt(deviceId);
   }
   
+  console.log(`📌 Using device ID: ${deviceId}`);
+  
   // Check if device exists and is approved
   let device = await Device.findOne({ where: { id: deviceId } });