Suspend & Resume

What feed_start (and each resume / resume_auto) yields — a completed run, or a suspension to answer — and the ExternalResult shapes those answers take. See snapshots for the concepts.

::: pydantic_monty options: members: - MontyComplete - FunctionSnapshot - NameLookupSnapshot - FutureSnapshot - AsyncFunctionSnapshot - AsyncNameLookupSnapshot - AsyncFutureSnapshot - ExternalReturnValue - ExternalException - ExternalExceptionData - ExternalFuture - SyncSnapshot - AsyncSnapshot - ExternalResult - ExternalSettledResult