[Bug] Update prompt appears despite latest version installed

Question

**Bug Description**
claude already up-to-date but still prompts to update. Installed via homebrew.

**Environment Info**
- Platform: darwin
- Terminal: iTerm.app
- Version: 2.0.55
- Feedback ID: 681814ec-e611-47f7-9810-d4f676650582

```bash
>brew upgrade claude-code
Warning: Not upgrading claude-code, the latest version is already installed

>brew --version
Homebrew 5.0.4

>which claude 
/opt/homebrew/bin/claude
```

**Errors**
```json
[]
```