"""Synthetic AI client for the v2 audit integration tests."""
from __future__ import annotations
from typing import Any, List

Metadata = dict[str, Any]
History = List[dict[str, Any]]

def send_result() -> Metadata:
 data: Metadata = {"role": "user", "content": "hello"}
 return data

def append_history() -> History:
 data: History = []
 return data

def to_list(history: History) -> History:
 out: History = []
 for entry in history:
  role = entry["role"]
  content = entry["content"]
  out.append({"role": role, "content": content})
 return out

def process(metadata: Metadata) -> str:
 role = metadata["role"]
 return role