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🤖 feat: bash AI proxy for SSH and Coder hosts through reverse forwards - #5774
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# Conflicts: # src/node/services/bashAiProxy/bashAiProxyService.test.ts
…ient failures, keep restore data current
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# Conflicts: # docs/config/providers.mdx # src/node/services/agentSkills/builtInSkillContent.generated.ts
# Conflicts: # src/node/services/bashAiProxy/proxyState.ts
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# Conflicts: # docs/config/providers.mdx # src/node/services/agentSkills/builtInSkillContent.generated.ts
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…wards when another backend shares the Xum home
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Summary
Bash commands on SSH and Coder hosts now get the proxy variables too. Xum opens a reverse SSH forward to each host, on the host's
127.0.0.1.PR 3 of 4. It builds on PR 2.
Implementation
SSHTransport.openReverseForward:ssh -N -RwithControlPath=none.forwardInon a dedicated connection. Sharing the exec connection stalled against sshd keepalives.ReverseForwardManager(reverseForwards.ts) opens one forward per host and checks it end to end with a nonce challenge on the proxy's health path. It keeps the remote port in the state file, so a restart reuses it.AllowTcpForwarding no) gets no variables. Xum tries it again after 5 minutes. Connection or probe failures retry after 30 seconds.-R: it starts withClearAllForwardings=yes, and Xum adds the-Rwithssh -O forward, so forwards in~/.ssh/configcannot make it exit.usedAtfresh.stop()is bounded.ps.Validation
SSH2Transport.reverseForward.test.tsruns against an in-process ssh2 server.tests/runtime/bashAiProxyReverseForward.test.ts(integration, Docker sshd) passes for both transports: 2 of 2 on the tested head.Risks
Medium, but only with the switch on. SSH transport changes add a new method and a dedicated-connection path in
SSH2ConnectionPool. Existing exec paths do not change. Known limits:ssh -Runtil the host drops it.XUM_ALLOW_MULTIPLE_INSTANCES=1, or another process's livexum serverlock), SSH and Coder commands get no variables, and Xum restores and saves no forwards. Normal single-backend use is unchanged. Desktop withXUM_NO_API_SERVER=1next toxum serveris not detected: 🤖 Bash AI proxy: SSH forwards when several backends share one Xum home #5794.Generated with
xum• Model:anthropic:claude-opus-5-5• Thinking:high• Cost:$32.63