Preserve cleanup previews and changed files

Cleanup.ps1

@@ -4,6 +4,7 @@ Set-StrictMode -Version Latest;$ErrorActionPreference='Stop';Import-Module (Join
 $Category=@($Category|ForEach-Object{$_.Split(',')}|ForEach-Object{$_.Trim()}|Where-Object{$_}|Select-Object -Unique);$valid=@('Temp','CrashReports','RecentItems','ThumbnailCache','PowerShellHistory','BrowserCache','WindReports');if(@($Category|Where-Object{$_-notin$valid}).Count){throw 'Unknown cleanup category.'}
 $plan=if($Mode-in@('Plan','Run')){Get-WindCleanupPlan -AgeDays $AgeDays -Category $Category}else{$null}
 if($Mode-eq'Plan'){if($Json){$plan|ConvertTo-Json -Depth 7}else{$plan|Select-Object FileCount,Bytes,AgeDays,Exclusions|Format-List;$plan.Files|Select-Object Path,Length,LastWriteUtc|Format-Table -Wrap};return}
+if($Mode-eq'Run'-and-not$PSCmdlet.ShouldProcess('Selected cleanup files and optional current clipboard','Delete planned files and clear clipboard when requested')){return}
 $root=Join-Path ([Environment]::GetFolderPath('LocalApplicationData')) 'MsPrivate\cleanup';[IO.Directory]::CreateDirectory($root)|Out-Null
 if($Mode-eq'Run'){$report=Join-Path $root ((Get-Date -Format 'yyyyMMdd-HHmmss')+'-'+[guid]::NewGuid().ToString('N')+'.json');Invoke-WindCleanup -Plan $plan -ReportPath $report -Confirm:$false|Format-List;if($ClearClipboard){Clear-WindCurrentClipboard;Write-Output 'Current clipboard cleared.'};Write-Output "Cleanup report: $report";return}
 Assert-WindMutationAllowed