Codex++ failed to patch Codex after update

## What happened
Codex++ could not reapply its patch after Codex updated.

## Error
```text
Command failed: ditto /Applications/Codex.app /Users/xiaoe/Library/Application Support/codex-plusplus/backup/Codex.app
```

## Environment
- Platform: darwin
- Arch: x64
- Node: v26.0.0