관련 Step: ../../steps/step2.md
graph TD
subgraph A2A Server
AC[/.well-known/agent-card.json]
App[Starlette App]
Exec[LangGraphWrappedA2AExecutor]
end
Graph[LangGraph Graph]
Client[A2A Client]
Client -- HTTP/SSE --> App
App -- uses --> Exec
Exec -- calls --> Graph
App -- serves --> AC