diff --git a/README.md b/README.md
index 861cc52..eb485d0 100644
--- a/README.md
+++ b/README.md
@@ -36,14 +36,8 @@ Aprender de revisiones pasadas para mejorar la calidad de sus auditorías con el
 
 ## ⚙️ Flujo de Trabajo del Auditor
 
-```mermaid
-flowchart TD
-    A[Creación o actualización de PR] --> B[GitHub Actions ejecuta el workflow]
-    B --> C[Se extrae el diff del código]
-    C --> D[Se envía el código a GoodDev.py]
-    D --> E[Analyzer analiza el código con IA]
-    E --> F[Se genera el informe final]
-    F --> H[El bot comenta automáticamente las sugerencias]
+FLUJO DISTINTO 
+.SAS
 
 
 
diff --git a/code.js b/code.js
index 7990e13..69b7870 100644
--- a/code.js
+++ b/code.js
@@ -42,6 +42,16 @@ class UserController {
     this.users = this.users.filter(u => u.id != req.params.id);
     res.send("Usuario eliminado."); 
   }
+ mandusa(req, res) {
+    const index = this.users.findIndex(u => u.id == req.params.id);
+    if (index != -1) {
+      this.users[index] = req.body;
+      res.send("Actualizadoo"); 
+    } else {
+      res.send("No encontrado"); 
+    }}
+
+  
 }
 
 const controller = new UserController();
diff --git a/newcode.js b/newcode.js
new file mode 100644
index 0000000..12077d3
--- /dev/null
+++ b/newcode.js
@@ -0,0 +1,168 @@
+const express = require('express');
+const fs = require('fs').promises;
+const path = require('path');
+const crypto = require('crypto');
+
+
+
+
+const DATA_FILE = path.join(__dirname, 'data.json');
+const PORT = process.env.PORT || 3000;
+
+const app = express();
+app.use(express.json());
+
+// lightweight CORS (for development)
+app.use((req, res, next) => {
+    res.setHeader('Access-Control-Allow-Origin', process.env.CORS_ORIGIN || '*');
+    res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');
+    res.setHeader('Access-Control-Allow-Methods', 'GET,POST,PUT,DELETE,OPTIONS');
+    if (req.method === 'OPTIONS') return res.sendStatus(204);
+    next();
+});
+
+let store = { users: [] };
+
+// load data from disk if exists
+async function load() {
+    try {
+        const content = await fs.readFile(DATA_FILE, 'utf8');
+        store = JSON.parse(content);
+        if (!store || !Array.isArray(store.users)) store = { users: [] };
+        console.log('Data loaded:', store.users.length, 'users');
+    } catch (err) {
+        if (err.code === 'ENOENT') {
+            await save(); // create file
+            console.log('No data file found. Initialized new store.');
+        } else {
+            console.error('Failed to load data:', err);
+        }
+    }
+}
+
+// save data to disk
+async function save() {
+    const tmp = DATA_FILE + '.tmp';
+    await fs.writeFile(tmp, JSON.stringify(store, null, 2), 'utf8');
+    await fs.rename(tmp, DATA_FILE);
+}
+
+// helpers
+function id() {
+    return crypto.randomBytes(8).toString('hex');
+}
+function validateUserPayload(payload) {
+    if (!payload || typeof payload !== 'object') return 'Invalid payload';
+    if (!payload.name || typeof payload.name !== 'string') return 'Name is required';
+    if (!payload.email || typeof payload.email !== 'string') return 'Email is required';
+    // simple email check
+    if (!/^\S+@\S+\.\S+$/.test(payload.email)) return 'Email is invalid';
+    return null;
+}
+
+// routes
+app.get('/', (req, res) => {
+    res.json({ message: 'Node backend running', version: '1.0.0' });
+});
+
+app.get('/health', (req, res) => res.json({ status: 'ok', uptime: process.uptime() }));
+
+app.get('/users', (req, res) => {
+    res.json(store.users);
+});
+
+app.get('/users/:id', (req, res) => {
+    const u = store.users.find(x => x.id === req.params.id);
+    if (!u) return res.status(404).json({ error: 'User not found' });
+    res.json(u);
+});
+
+app.post('/users', async (req, res) => {
+    const err = validateUserPayload(req.body);
+    if (err) return res.status(400).json({ error: err });
+
+    const existing = store.users.find(u => u.email === req.body.email);
+    if (existing) return res.status(409).json({ error: 'Email already exists' });
+
+    const user = {
+        id: id(),
+        name: req.body.name.trim(),
+        email: req.body.email.toLowerCase().trim(),
+        createdAt: new Date().toISOString()
+    };
+    store.users.push(user);
+    try {
+        await save();
+        res.status(201).json(user);
+    } catch (e) {
+        console.error('Save error:', e);
+        res.status(500).json({ error: 'Failed to save user' });
+    }
+});
+
+app.put('/users/:id', async (req, res) => {
+    const u = store.users.find(x => x.id === req.params.id);
+    if (!u) return res.status(404).json({ error: 'User not found' });
+
+    const payload = req.body;
+    if (payload.name !== undefined) {
+        if (typeof payload.name !== 'string' || !payload.name.trim()) return res.status(400).json({ error: 'Invalid name' });
+        u.name = payload.name.trim();
+    }
+    if (payload.email !== undefined) {
+        if (typeof payload.email !== 'string' || !/^\S+@\S+\.\S+$/.test(payload.email)) return res.status(400).json({ error: 'Invalid email' });
+        const conflict = store.users.find(x => x.email === payload.email && x.id !== u.id);
+        if (conflict) return res.status(409).json({ error: 'Email already in use' });
+        u.email = payload.email.toLowerCase().trim();
+    }
+    u.updatedAt = new Date().toISOString();
+
+    try {
+        await save();
+        res.json(u);
+    } catch (e) {
+        console.error('Save error:', e);
+        res.status(500).json({ error: 'Failed to save user' });
+    }
+});
+
+app.delete('/users/:id', async (req, res) => {
+    const idx = store.users.findIndex(x => x.id === req.params.id);
+    if (idx === -1) return res.status(404).json({ error: 'User not found' });
+    const [removed] = store.users.splice(idx, 1);
+    try {
+        await save();
+        res.json({ removed });
+    } catch (e) {
+        console.error('Save error:', e);
+        res.status(500).json({ error: 'Failed to delete user' });
+    }
+});
+
+// generic error handler
+app.use((err, req, res, next) => {
+    console.error('Unhandled error:', err);
+    res.status(500).json({ error: 'Internal server error' });
+});
+
+let server;
+async function start() {
+    await load();
+    server = app.listen(PORT, () => console.log(`Server listening on http://localhost:${PORT}`));
+}
+start();
+
+// graceful shutdown
+function shutdown() {
+    console.log('Shutting down...');
+    server && server.close(() => {
+        console.log('Server closed');
+        process.exit(0);
+    });
+    setTimeout(() => {
+        console.log('Force exit');
+        process.exit(1);
+    }, 5000);
+}
+process.on('SIGINT', shutdown);
+process.on('SIGTERM', shutdown);
\ No newline at end of file