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- send_bytes computed one deadline before acquiring the send gate and reused it for the write, so time queued behind another clone's message was charged to this message. A caller that only just lost the gate race got a few milliseconds to write in and then tore the whole peer connection down for missing them - the narrower the miss, the more certain the teardown. The write gets its own budget; the gate wait keeps the one it had, and still never closes (it never held the permit). - Stream::close_webrtc awaited WebRTCStream::close, which is exactly the form close_detached exists to avoid: most callers sit in a select! arm or a future the UI can abandon, and a cancelled close is unretryable (is_closed is latched before the first await, so later attempts early-return and the handler that evicts the session never runs). It is now a plain fn calling close_detached - with no await point there is nothing to cancel. close_detached is public and carries the runtime-teardown guard the parent repo had written separately for its Drop path, so that copy goes away. - Log retention goes back to 31 files. Raising it to 31*8 defended the flood case badly (a file count cannot outrun a flood; only the rate limits at the log sites can) while silently multiplying steady-state retention and disk for every ordinary install, on every platform. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01ExUfAkYbq8UC9pQCiLy8TQ