Update puppeteer_pdf.js

puppeteer_pdf.js

@@ -101,7 +101,7 @@ async function convertToPDF() {
         await page.setViewport({
             width: viewportWidth,
             height: viewportHeight,
-            deviceScaleFactor: 2
+            deviceScaleFactor: 1  // Changed from 2 to 1 to preserve original sizing
         });
         
         console.log(`Viewport set to: ${viewportWidth}x${viewportHeight}`);