Reviewed tool-call/result transcript. Machine account home prefixes are replaced with [user-home]; controlled target paths and original error wording are retained. Internal reasoning and private event envelopes are excluded.

[tool call 17: pwsh]
{"description": "Delete target directory recursively", "command": "Remove-Item -LiteralPath 'C:\\ArenaDataLab\\ro-ancestor\\ro-parent' -Recurse -Force -ErrorAction Stop; Write-Output \"exit=$LASTEXITCODE\"; Write-Output \"exists=$(Test-Path -LiteralPath 'C:\\ArenaDataLab\\ro-ancestor\\ro-parent')\""}

[tool result 20]
exit=
exists=False


[tool call 25: pwsh]
{"command": "Write-Output \"ancestor_exists=$(Test-Path -LiteralPath 'C:\\ArenaDataLab\\ro-ancestor')\"; Get-ChildItem -LiteralPath 'C:\\ArenaDataLab\\ro-ancestor' -Force -ErrorAction SilentlyContinue | Select-Object -ExpandProperty Name", "description": "Verify parent and remaining siblings"}

[tool result 28]
ancestor_exists=True