environment variables WHITELIST not working

**Describe the bug**
I host this Vercel and set TOKEN and WHITELIST. But it doesn't restrict username. You can use any GitHub name.

<img width="565" height="186" alt="Image" src="https://github.com/user-attachments/assets/843ee865-4e1d-4f02-b448-6f5616b67d1d" />

