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miga-heygen
73aa71c9ec
## Summary
`processIdentity` and `processParentPid` call `Get-CimInstance Win32_Process` to look up process metadata on Windows. When the target process has already exited, `Get-CimInstance` returns null and calling `.CreationDate.ToFileTimeUtc()` or `.ParentProcessId` on it throws `InvokeMethodOnNull`. The try/catch handles it, but PowerShell writes the error to stderr, which pollutes the test runner's output and causes spurious exit code 1 on Windows CI.
Two fixes per call site:
- Null-check the CimInstance before accessing properties (`$p = ...; if ($p) { $p.Property }`)
- `-ErrorAction SilentlyContinue` + `stdio: ["pipe", "pipe", "ignore"]` to suppress any residual stderr
Fixes the recurring `Tests on windows-latest` flake on main.
## Test plan
- [x] All 196 CLI test files pass locally
- [ ] Windows CI should no longer exit 1 from PowerShell stderr noise
— Miga