Method check

tutorials/18_design_patterns_for_agents.py:946–949

(self, tool_name: str)

            self.blocked = set(blocked_tools)

        def check(self, tool_name: str) -> tuple[bool, str]:
            if tool_name in self.blocked:
                return False, f"工具 '{tool_name}' 已被禁止"
            return True, "允许"

    # ==== 5. 依赖注入: Runtime ====