Update server.js

server.js

@@ -54,7 +54,7 @@ app.post("/api/html-to-pdf", async (req, res) => {
   const startTime = Date.now();
   
   try {
-    const { html_content: htmlContent, pdf_options: pdfOptions } = req.body || {};
+    const { html_code: htmlContent, pdf_options: pdfOptions } = req.body || {};
 
     // Validate input
     if (!htmlContent || !htmlContent.trim()) {