import httpx

OLLAMA_URL = "http://localhost:11434"

async def ollama_chat(model: str, messages: list[dict]) -> str:
    async with httpx.AsyncClient(timeout=120) as client:
        r = await client.post(
            f"{OLLAMA_URL}/api/chat",
            json={"model": model, "messages": messages, "stream": False},
        )
        r.raise_for_status()
        data = r.json()
        return data["message"]["content"]