RemoteClientTransport keeps its open-stream bookkeeping whether or not
the consumer logs requests, so onFetchStreamUpdate works on its own and
close() can synthesize the terminal update.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01APKSYHGxXBUpnR7ErFiLJn
Signed-off-by: cliffhall <cliff@futurescale.com>