[Auth Issue]: Too Many Requests

## Summary

On first login I get this error:
```
FATA login failed: {"status":429,"code":"Too Many Requests"}
```
I tested the same credentials on https://www.eightsleep.com and was able to login first try.

## System Details
```
eightctl v0.1.0-dev
macOS 26.3 (Tahoe)
```