fix(cli): harden forward PID matching and teardown #2167

Job	Run time
Resolve PR metadata	8s
build-cli / Resolve build plan	3s
build-supervisor	0s
gpu-e2e	0s
build-gateway	0s
kubernetes-ha-e2e	0s
e2e	0s
kubernetes-e2e	0s
GPU E2E result	0s
Core E2E result	0s
Kubernetes HA E2E result	0s
build-cli / Rust cli (amd64) / cli (amd64)	4m 27s
build-cli / Build ${{ inputs.component }} (${{ matrix.arch }})	0s
build-cli / Merge ${{ inputs.component }} manifest	0s
Resolve PR metadata	6s
build-gateway / Resolve build plan	3s
build-cli / Resolve build plan	4s
build-supervisor / Resolve build plan	3s
build-gateway / Rust gateway (amd64) / gateway (amd64)	7m 0s
build-gateway / Rust gateway (arm64) / gateway (arm64)	7m 13s
build-supervisor / Rust sandbox (amd64) / sandbox (amd64)	3m 25s
build-supervisor / Rust sandbox (arm64) / sandbox (arm64)	3m 32s
build-cli / Rust cli (amd64) / cli (amd64)	3m 37s
build-supervisor / Build supervisor (amd64)	1m 23s
build-supervisor / Build supervisor (arm64)	1m 18s
build-cli / Build ${{ inputs.component }} (${{ matrix.arch }})	0s
build-cli / Merge ${{ inputs.component }} manifest	0s
build-supervisor / Merge supervisor manifest	1m 7s
build-gateway / Build gateway (arm64)	1m 32s
build-gateway / Build gateway (amd64)	1m 30s
gpu-e2e	0s
GPU E2E result	-1s
build-gateway / Merge gateway manifest	1m 6s
kubernetes-e2e / Kubernetes E2E (Rust smoke)	9m 23s
e2e / E2E (python)	6m 49s
e2e / E2E (rust-podman)	14m 39s
e2e / E2E (rust-docker)	8m 0s
e2e / E2E (rust-podman-rootless)	15m 38s
kubernetes-ha-e2e	0s
Kubernetes HA E2E result	0s
Core E2E result	4s
	1h 32m 9s

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