Agent Context Setup - Copilotkit

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

<InstallPythonSDK />

</Step> <Step> ### Wire read-only agent context into your graph

`useAgentContext` publishes read-only UI values through
`CopilotKitMiddleware`. Attach the middleware to the agent and describe
how the model should use the frontend-supplied context in the system
prompt.

<DemoCode file="src/agents/readonly_state_agent_context.py" region="agent-context-setup" />

</Step> </Steps>