```python
from fastapi import FastAPI, status
from pydantic import BaseModel

import helpers  # noqa: F401  (the provided API)

app = FastAPI()


class OrderRequest(BaseModel):
    item: str


@app.post("/orders", status_code=status.HTTP_201_CREATED)
def create_order(order: OrderRequest) -> dict:
    processed = helpers.process_order(order.dict())
    return processed
```