Correccion de dashboar usuarios y admins

backend/src/index.js

@@ -31,11 +31,11 @@ app.use('/api/auth', authRoutes);
 // Plates CRUD
 app.get('/api/plates', authenticateToken, async (req, res) => {
   try {
-    // Users see their own plates? Or all? 
-    // Requirement: "usuarios al agregar nuevas patentes, deberan ser permitidas por el administrador"
-    // Let's users see all but maybe status distinguishes them.
-    // For now, let's return all.
+    // Filter based on role
+    const where = req.user.role === 'ADMIN' ? {} : { addedById: req.user.id };
+
     const plates = await prisma.plate.findMany({
+      where,
       include: { addedBy: { select: { username: true } } }
     });
     res.json(plates);