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OrcaWinandm4air
04b84870ac
* feat(orcad): reach managed orcad over an SSH stdio bridge where sshd refuses port forwarding Hosts with AllowTcpForwarding no were kept on the relay. The managed tunnel now probes forwarding each time it starts and, on refusal, serves the same local port through a second provider: each accepted socket opens one SSH exec channel running a small bridge on the host's pinned Node, which dials orcad's loopback port. POSIX hosts run it with node -e; Windows hosts run it as the content-addressed host script's stdio-bridge op with base64 line framing. Bridges are capped at 8 per connection under sshd's MaxSessions default, and a lost channel only drops its socket. Only a host where even the bridge cannot run keeps the relay, recorded as ssh_tunnel_unavailable; the older tcp_forwarding_refused record is retried. * test(e2e): prove the stdio bridge by refused forwarding plus a working call * test(e2e): connect the refused-forwarding host without the relay-only repo step --------- Co-authored-by: m4air <m4air@Mac.localdomain>