Subagents Setup - Copilotkit

<Steps> <Step> ### Install the LangGraph Python SDK

<InstallPythonSDK />

</Step> <Step> ### Wire CopilotKit middleware into your graph

Sub-agents are wired as tools on a supervisor `create_agent` call. The
supervisor's middleware list includes `CopilotKitMiddleware()` so the
delegation log slot streams back to the UI through shared state.

<DemoCode file="src/agents/frontend_tools.py" region="middleware" />

See `src/agents/subagents.py` for the canonical supervisor + three
sub-agents pattern with a live delegation log.

</Step> </Steps>