import os
from dotenv import load_dotenv
from typing import Dict, Any

def load_config() -> Dict[str, Any]:
    """从.env文件加载配置"""
    load_dotenv()
    
    return {
        "openai": {
            "api_key": os.getenv("OPENAI_API_KEY"),
            "base_url": os.getenv("OPENAI_BASE_URL"),
            "model_id": os.getenv("OPENAI_MODEL_ID")
        }
    }