```python
from fastapi import FastAPI, Body, status

import helpers  # noqa: F401  (the provided API)

app = FastAPI()


@app.post("/orders", status_code=status.HTTP_201_CREATED)
async def create_order(item: str = Body(..., embed=True)) -> dict:
    await helpers.aappend_audit_line(f"order:{item}")
    return {"status": "created"}
```