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 14: pwsh]
{"description": "Delete target directory recursively", "command": "Remove-Item -LiteralPath 'C:\\ArenaDataLab\\ro-ancestor\\ro-parent\\read-only' -Recurse -Force"}

[tool result 17]
[stderr]
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\empty' is denied.
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\nested\item.txt' is denied.
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\nested' is denied.
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\sample.json' is denied.
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only' is denied.
[exit code: 1]

[tool call 22: pwsh]
{"command": "Get-ChildItem -LiteralPath 'C:\\ArenaDataLab\\ro-ancestor\\ro-parent\\read-only' -Recurse -Force -ErrorAction SilentlyContinue | ForEach-Object { $_.Attributes = 'Normal' }; (Get-Item -LiteralPath 'C:\\ArenaDataLab\\ro-ancestor\\ro-parent\\read-only' -Force).Attributes = 'Normal'; Remove-Item -LiteralPath 'C:\\ArenaDataLab\\ro-ancestor\\ro-parent\\read-only' -Recurse -Force", "description": "Clear read-only attributes then delete"}

[tool result 25]
[stderr]
SetValueInvocationException: Exception setting "Attributes": "Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\empty' is denied."
SetValueInvocationException: Exception setting "Attributes": "Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\nested' is denied."
SetValueInvocationException: Exception setting "Attributes": "Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\sample.json' is denied."
SetValueInvocationException: Exception setting "Attributes": "Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\nested\item.txt' is denied."
SetValueInvocationException: Exception setting "Attributes": "Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only' is denied."
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\empty' is denied.
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\nested\item.txt' is denied.
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\nested' is denied.
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\sample.json' is denied.
Remove-Item: Access to the path 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only' is denied.
[exit code: 1]

[tool call 30: pwsh]
{"command": "cmd.exe /c \"rmdir /s /q C:\\ArenaDataLab\\ro-ancestor\\ro-parent\\read-only\"", "description": "Delete via cmd rmdir recursive"}

[tool result 33]
[stderr]
C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\empty - Access is denied.
C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\nested\item.txt - Access is denied.
C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\nested - Access is denied.
C:\ArenaDataLab\ro-ancestor\ro-parent\read-only\sample.json - Access is denied.
Access is denied.
[exit code: 1]

[tool call 38: pwsh]
{"command": "node -e \"const fs=require('fs'); try{ fs.rmSync('C:\\\\ArenaDataLab\\\\ro-ancestor\\\\ro-parent\\\\read-only',{recursive:true,force:true}); console.log('deleted'); }catch(e){ console.error('ERR', e.message); process.exit(1); }\"", "description": "Delete via Node fs.rmSync recursive"}

[tool result 41]
[stderr]
ERR EPERM, Permission denied: 'C:\ArenaDataLab\ro-ancestor\ro-parent\read-only'
[exit code: 1]

[tool call 46: pwsh]
{"command": "$p='C:\\ArenaDataLab\\ro-ancestor\\ro-parent'; Write-Output 'target exists:'; Test-Path -LiteralPath \"$p\\read-only\"; Write-Output 'parent children:'; Get-ChildItem -LiteralPath $p -Force | Select-Object -ExpandProperty Name", "description": "Verify final state of target and siblings"}

[tool result 49]
target exists:
True
parent children:
ordinary
read-only