fix(sandbox): avoid similar proxy id names #2382

Job	Run time
Resolve PR metadata	6s
build-cli / Resolve build plan	4s
build-gateway / Resolve build plan	4s
build-supervisor / Resolve build plan	4s
build-supervisor / Rust sandbox (amd64) / sandbox (amd64)	3m 9s
build-supervisor / Rust sandbox (arm64) / sandbox (arm64)	3m 35s
build-cli / Rust cli (amd64) / cli (amd64)	4m 27s
build-gateway / Rust gateway (arm64) / gateway (arm64)	7m 14s
build-gateway / Rust gateway (amd64) / gateway (amd64)	6m 17s
build-supervisor / Build supervisor (amd64)	1m 21s
build-supervisor / Build supervisor (arm64)	1m 24s
build-cli / Build ${{ inputs.component }} (${{ matrix.arch }})	0s
build-cli / Merge ${{ inputs.component }} manifest	0s
build-supervisor / Merge supervisor manifest	1m 5s
build-gateway / Build gateway (arm64)	1m 27s
build-gateway / Build gateway (amd64)	1m 30s
gpu-e2e	-1s
GPU E2E result	0s
build-gateway / Merge gateway manifest	1m 6s
e2e / E2E (rust-podman-rootless, ubuntu-24.04)	17m 40s
e2e / E2E (rust-podman-rootless, ubuntu-26.04)	18m 23s
e2e / E2E (rust-docker)	7m 5s
e2e / E2E (python)	6m 55s
e2e / E2E (mcp)	6m 50s
kubernetes-e2e (v1beta1, v0.5.0, combined) / Kubernetes E2E (Rust smoke, combined, Agent Sandbox v1beta1)	9m 41s
kubernetes-e2e (v1alpha1, v0.4.6, combined) / Kubernetes E2E (Rust smoke, combined, Agent Sandbox v1alpha1)	9m 58s
kubernetes-e2e (v1beta1, v0.5.0, sidecar, deploy/helm/openshell/ci/values-sidecar.yaml) / Kubernetes E2E (Rust smoke, sidecar, Agent Sandbox v1beta1)	10m 8s
kubernetes-ha-e2e	0s
Kubernetes HA E2E result	0s
Core E2E result	2s
	1h 59m 34s

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