auth fixes

backend/src/middleware/auth.js

@@ -12,6 +12,9 @@ const authenticateToken = async (req, res, next) => {
     });
   }
 
+  // Log token for debugging (remove in production)
+  console.log('Token received:', token.substring(0, 20) + '...');
+
   try {
     const decoded = jwt.verify(token, process.env.JWT_SECRET);