// Downsize if image exceeds 1920x1080 (2,073,600 pixels)
      const MAX_PIXELS = 1920 * 1080; // 2,073,600 pixels
      const currentPixels = img.width * img.height;
      let imgWidth = img.width;
      let imgHeight = img.height;
      
      if (currentPixels > MAX_PIXELS) {
        const scale = Math.sqrt(MAX_PIXELS / currentPixels);
        imgWidth = Math.round(img.width * scale);
        imgHeight = Math.round(img.height * scale);
        console.log(`Downsizing image from ${img.width}x${img.height} (${currentPixels} px) to ${imgWidth}x${imgHeight} (${imgWidth * imgHeight} px)`);
      }