-- app log (the turn started by the Stop-button test)
turn 6 start conversation=def8b65c-b58a-4677-b149-e71575426ebd message=count 200
turn 6 CANCELLED by client after 14 tokens
-- stub log
stub: request #6 model=stub-gpt stream=true messages=6 roles=system,user,assistant,user,assistant,user latest="count 200"
stub: stream #6 client closed the connection after 15 chunks
