[BUG] Commit messages polluted by `Generated with [Claude Code](https://claude.ai/code)` entries

Question

Despite clear rules in `CLAUDE.md` to not do that, I still need to combat Claude spamming my commit messages with

```
│   🤖 Generated with [Claude Code](https://claude.ai/code)                            │
│                                                                                      │
│   Co-Authored-By: Claude <noreply@anthropic.com>"                                    │
```

Can you please stop or at least add option to opt-out?