the background-service + service-bus shape is the underrated piece here — most agent demos are request/response toy loops. once you put the agent behind a queue, state coordination across messages becomes the real engineering problem, and MAF's BackgroundService pattern is exactly the right primitive.
if your stack opens up to python alongside MAF, LangGraph models the same shape: nodes/edges with a persisted checkpointer, restart-on-message, explicit state — the cleanest framework I've found for the "agent that runs forever and processes drips" pattern. wrote up the integration shape + when to pick it over MAF (token cost, persistence story, .NET interop) at tokrepo.com/en/workflows/langgraph-build-stateful-ai-agents-graphs-cc1a6ed2.