Method register

tutorials/18_design_patterns_for_agents.py:639–641

注册一个工具: 名字 → 处理函数

(self, name: str, handler: Callable[[str], str])

            self._handlers: dict[str, Callable[[str], str]] = {}

        def register(self, name: str, handler: Callable[[str], str]):
            """注册一个工具: 名字 → 处理函数"""
            self._handlers[name] = handler

        def execute(self, name: str, tool_input: str) -> str:
            """按名字查找并执行"""