Codex++ install failed

## What happened
The `codexplusplus install` command failed.

## Error
```text
ENOENT: no such file or directory, lstat '/Applications/Codex.app/Contents/Frameworks/Electron Framework.framework/Versions/A/Electron Framework'
```

## Environment
- Codex++: 0.1.4
- Platform: darwin
- Arch: arm64
- Node: v26.3.0