fix(settings): corregir desincronizacion de metodos de autenticacion, normalizar claves de proveedores y añadir badges reactivos de estado

frontend/src/app.js

@@ -218,6 +218,7 @@ app.use('/api/v1', async (req, res) => {
         const targetUrl = `${process.env.FLASK_API_URL || 'http://localhost:5000/api/v1'}${req.url}`;
         const headers = { ...req.headers };
         delete headers.host;
+        delete headers['content-length'];
         if (token && !headers.authorization) {
             headers.authorization = `Bearer ${token}`;
         }