from agents import Agent, Runner, AsyncOpenAI, OpenAIChatCompletionsModel, ModelSettings, handoff
from agents.extensions.handoff_prompt import prompt_with_handoff_instructions
import asyncio
import json
from pydantic import BaseModel, ValidationError

# 设置OpenAI客户端
openai_client = AsyncOpenAI(base_url="https://api.deepseek.com", api_key="sk-******")