When upload a large file to validator, instead of a human readable error message, user sees 502 error: <img width="547" height="350" alt="Image" src="https://github.com/user-attachments/assets/f0684467-21a8-45d9-93b0-c6193494e1c7" />
When upload a large file to validator, instead of a human readable error message, user sees 502 error: