I really like that you implemented multiple modes and additional views for some file types. Only noticed that in XLSX "tab", switching to the PDF occasionally f

I really like that you implemented multiple modes and additional views for some file types. Only noticed that in XLSX "tab", switching to the PDF occasionally fails to generate PDF preview - worker reliability issue. You may think of adding some caching based on files checksum, even free Cloudflare plan R2 storage would be enough.