Manages and orchestrates multi-step, stateful agent workflows; handles task dependencies, persistent state, error recovery, and external rate-limiting. Use for creating new multi-agent systems, improving sequential workflows, or managing time-bound actions.

管理和编排多步骤、有状态的智能体工作流；处理任务依赖、持久化状态、错误恢复和外部速率限制。适用于创建新的多智能体系统、优化顺序工作流或管理时限任务。