@langgraph-js/sdk/dist/server/swarm/keepState.js

The UI SDK for LangGraph - seamlessly integrate your AI agents with frontend interfaces

import { Command } from "@langchain/langgraph";
/**
 * 保留 langgraph-swarm 在 handoff 时丢失的 state
 */
export const keepAllStateInHandOff = (state) => {
    // omit activeAgent and messages
    const { activeAgent, messages, ...rest } = state;
    return {
        ...rest,
    };
};
export const createHandoffCommand = (name, state) => {
    return new Command({
        goto: name,
        graph: Command.PARENT,
        update: {
            active_agent: name,
            ...state,
        },
    });
};