fix(cli): isolate ssh from host linker environment #2131

Job	Run time
Resolve PR metadata	7s
build-gateway / Resolve build plan	4s
build-supervisor / Resolve build plan	2s
build-supervisor / Rust sandbox (arm64) / sandbox (arm64)	3m 31s
build-supervisor / Rust sandbox (amd64) / sandbox (amd64)	3m 23s
build-gateway / Rust gateway (arm64) / gateway (arm64)	7m 34s
build-gateway / Rust gateway (amd64) / gateway (amd64)	6m 16s
build-supervisor / Build supervisor (arm64)	1m 22s
build-supervisor / Build supervisor (amd64)	1m 20s
build-supervisor / Merge supervisor manifest	1m 5s
build-gateway / Build gateway (amd64)	1m 26s
build-gateway / Build gateway (arm64)	1m 29s
gpu-e2e / E2E Docker GPU (linux-amd64)	4m 19s
gpu-e2e / E2E Docker GPU (wsl-amd64)	6m 32s
gpu-e2e / E2E Docker GPU (linux-arm64)	6m 31s
build-gateway / Merge gateway manifest	1m 6s
kubernetes-e2e / Kubernetes E2E (Rust smoke)	9m 22s
e2e / E2E (rust-docker)	8m 5s
e2e / E2E (rust-podman)	15m 18s
e2e / E2E (rust-podman-rootless)	15m 42s
e2e / E2E (python)	6m 50s
kubernetes-ha-e2e	-1s
Kubernetes HA E2E result	0s
GPU E2E result	2s
Core E2E result	4s
	1h 41m 29s

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