Preserve explicit gateway service identity when package/update refreshes the managed service environment. This keeps caller-selected systemd units ahead of stale persisted service env and applies the same precedence to launchd labels and Windows task names during service-state inspection.
Fixes#87490
Verification:
- node scripts/run-vitest.mjs src/daemon/service-env.test.ts src/daemon/service.test.ts src/cli/update-cli.test.ts src/cli/update-cli/restart-helper.test.ts src/cli/daemon-cli/install.test.ts src/daemon/systemd.test.ts
- git diff --check origin/main...pr/87556
- Crabbox AWS Linux systemd install/refresh proof: run_f3374bd610f7, lease cbx_754e69eb6c3a, provider aws, target linux
- autoreview --mode branch --base origin/main: clean, no accepted/actionable findings
Co-authored-by: Andy Ye <35905412+TurboTheTurtle@users.noreply.github.com>
3fea219692