seguimos habilitando la funcion realtime

api/sse/index.js

@@ -7,19 +7,23 @@ export function registerSse(app) {
     res.set({
       'Content-Type': 'text/event-stream',
       'Cache-Control': 'no-cache',
-      Connection: 'keep-alive'
+      'Connection': 'keep-alive'
     });
-    res.flushHeaders();
-    res.write(':\n\n');
-    sseClients.push(res);
 
-    res.on('close', () => {
+    res.flushHeaders();
+    res.write('event: connected\ndata: {}\n\n'); // ← mantiene el stream vivo
+
+    sseClients.push(res);
+    console.log(`🟢 Cliente SSE conectado (${sseClients.length})`);
+
+    req.on('close', () => {
       const idx = sseClients.indexOf(res);
       if (idx !== -1) sseClients.splice(idx, 1);
-      res.end();
+      console.log(`🔌 Cliente SSE desconectado (${sseClients.length})`);
     });
   });
 
+
   const broadcast = (data) => {
     const payload = `data: ${data}\n\n`;
     sseClients.forEach((client) => client.write(payload));