feat: implement user authentication and login modal, refactor backend

web/backend/routes/config.js

@@ -0,0 +1,29 @@
+import express from 'express';
+import { basicAuthMiddleware } from '../middlewares/auth.js';
+import { getConfig, reloadConfig } from '../services/redis.js';
+import { readFileSync } from 'fs';
+import yaml from 'yaml';
+import { PATHS } from '../config/constants.js';
+
+const router = express.Router();
+
+// Obtener configuración
+router.get('/', basicAuthMiddleware, (req, res) => {
+  try {
+    let config = getConfig();
+    if (!config) {
+      config = yaml.parse(readFileSync(PATHS.CONFIG, 'utf8'));
+    }
+    // No enviar token por seguridad
+    const safeConfig = { ...config };
+    if (safeConfig.telegram_token) {
+      safeConfig.telegram_token = '***';
+    }
+    res.json(safeConfig);
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+export default router;
+