"""MCP 客户端管理：工具发现、调用与 OpenAI 工具映射。"""

from __future__ import annotations

import hashlib
import json
import os
import select
import shutil
import subprocess
import threading
import time
from dataclasses import dataclass
from pathlib import Path
from typing import Any, Callable, Dict, Iterable, List, Optional, Tuple, TYPE_CHECKING

import httpx

from config import MCP_PROTOCOL_VERSION, MCP_DEFAULT_TIMEOUT_SECONDS
from modules.mcp_server_registry import MCPServerRegistry

if TYPE_CHECKING:
    from modules.user_container_manager import ContainerHandle


class MCPClientError(Exception):
    """MCP 客户端异常。"""