[BUG] not logged in. pleas run .login

### Preflight Checklist

- [x] I have searched [existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug) 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-code-login-issue.md](https://github.com/user-attachments/files/32247514/claude-code-login-issue.md)

### What Should Happen?

클로드 코드 로그인이 되어 작동해야합니다.

### Error Messages/Logs

```shell
Not logged in · Please run /login
```

### Steps to Reproduce

[claude-code-login-issue.md](https://github.com/user-attachments/files/32247691/claude-code-login-issue.md)

### Claude Model

Sonnet (default)

### Is this a regression?

Yes, this worked in a previous version

### Last Working Version

_No response_

### Claude Code Version

2.1.272

### Platform

Anthropic API

### Operating System

macOS

### Terminal/Shell

Terminal.app (macOS)

### Additional Information

Start by reviewing the linked claude-code-login-issue.md files and screenshots, then reproduce version 2.1.272 on macOS in Terminal.app using the reported Anthropic API setup. Compare the behavior with a previously working version and trace the login flow; done means an authenticated session works without the “Not logged in · Please run /login” error.

Written by the indexing model from the issue text.