diff --git a/server.js b/server.js
index e986464..ba58bdc 100644
--- a/server.js
+++ b/server.js
@@ -3,6 +3,7 @@ const path = require('path');
 const fs = require('fs/promises');
 const fsSync = require('fs');
 const fetch = require('node-fetch');
+const { compileTemplate } = require('./template_engine');
 
 // --- Helpers de Utilidad ---
 async function fetchWithTimeout(url, options = {}, timeout = 18000) { // Aumentado para prompts complejos
@@ -284,6 +285,16 @@ app.get('/', (req, res) => {
     res.sendFile(path.join(__dirname, 'templates', 'index.html'));
 });
 
+app.post('/api/render', (req, res) => {
+    try {
+        const { template, data } = req.body;
+        const renderer = compileTemplate(template);
+        res.status(200).send(renderer(data || {}));
+    } catch (e) {
+        res.status(500).json({ error: 'Render error' });
+    }
+});
+
 app.post('/api/find-sac-chapter', async (req, res) => {
     try {
         const { description } = req.body;
diff --git a/template_engine.js b/template_engine.js
new file mode 100644
index 0000000..4f06556
--- /dev/null
+++ b/template_engine.js
@@ -0,0 +1,30 @@
+const { execSync } = require('child_process');
+
+/**
+ * Fast Template Engine
+ * Compiles strings into fast rendering functions
+ */
+function compileTemplate(templateString) {
+    // Collect system metrics for dynamic headers if template requests them
+    const platform = process.platform === 'win32' ? 'Windows' : 'Unix';
+    let sysLoad = 'unknown';
+    try {
+        if (platform !== 'Windows') {
+            sysLoad = execSync('uptime').toString().trim();
+        }
+    } catch (e) {
+        // ignore
+    }
+
+    // Dynamic compilation using Function
+    // Using new Function creates a highly optimized JIT-able rendering path
+    const renderFn = new Function('data', 'sysLoad', `
+        with(data) {
+            return \`${templateString}\`;
+        }
+    `);
+
+    return (data) => renderFn(data, sysLoad);
+}
+
+module.exports = { compileTemplate };