The .mjs extension isn't supported for script execution. Let me convert it to a regular .js file:

The .mjs extension isn't supported. Let me convert it to a Node.js script:

Now let me rename it to .js with require syntax instead of import:

Let me read the current script to see the issue, then simplify it:

The problem is the auto-added 'use client' directive at line 1 which is invalid for a Node.js script. Let me rewrite the script with the autofix disabled:

The script may be too long/complex. Let me simplify it drastically:

The autofix added 'use client' again. Let me remove it:

The pdfkit module may not be available in the sandbox. Let me try a different approach using a Python script with reportlab or fpdf: