mejoras UI 4

node-api/src/routes/api.js

@@ -151,4 +151,15 @@ router.post('/vlans', async (req, res) => {
   }
 });
 
+// Devices list (read-only)
+router.get('/devices', async (_req, res) => {
+  try {
+    const result = await pool.query('SELECT id, mac, nombre, vendor, descripcion, first_seen, last_seen FROM dispositivos ORDER BY last_seen DESC NULLS LAST, first_seen DESC');
+    res.json({ items: result.rows });
+  } catch (e) {
+    console.error('GET /api/devices error:', e?.message || e);
+    res.status(500).json({ ok: false, error: 'db_error', items: [] });
+  }
+});
+
 export default router;