Login error.win11

[lovoror]

panic: pattern "/oauth2callback" (registered at I:/work/github/CLIProxyAPI/internal/auth/auth.go:175) conflicts with pattern "/oauth2callback"

[luispater]

I've fixed the code according to Claude 4's suggestions. I don't have a Windows machine, so I couldn't test it thoroughly. Could you please download the latest version and test it out? If you still encounter issues, please send another issue report.