[BUG] Claude auth 15s timeout too short--authorization page takes >15s to even load

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Claude auth login for pro subscribers is taking >15s to load and complete auth, leading to the inability to oauth

What Should Happen?

Claude should wait until oauth flow is complete or provide more reasonable timeout

Error Messages/Logs

OAuth error: timeout of 15000ms exceeded

Steps to Reproduce

/login
# open link
Claude takes ~5 to load auth, >10 seconds to authorize
Oauth fails
OAuth error: timeout of 15000ms exceeded  

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

Not sure

Claude Code Version

v2.1.72

Platform

Anthropic API

Operating System

Ubuntu/Debian Linux

Terminal/Shell

Other

Additional Information

zsh, remote ssh VS code session tunnel from MacOS