Expand Pester coverage across install, tweaks, and UI workflows (#4792)

* Harden Pester CI and discard runspace return values

* Add prioritized test backlog

* Add WinUtil action logging

* Add config integrity tests

* Add XAML control wiring tests

* Add registry and service helper tests

* Add package manager tests

* Add runspace behavior tests

* Add tweak orchestration tests

* Add install workflow tests

* Add update profile tests

* Add AppX removal tests

* Log package installer output

* Add UI state helper tests

* Pin Pester test runner version

* Expand Win11 Creator tests

* Add preferences and theme tests

* Add search filter tests

* Add compile contract tests

* Use single WinUtil session log

* Remove installer output logging helper

* Handle locked WinUtil transcript log

* Avoid appending to active transcript log

* Log install uninstall package identities

scripts/start.ps1

@@ -81,10 +81,13 @@ $dateTime = Get-Date -Format "yyyy-MM-dd_HH-mm-ss"
 # Set the path for the winutil directory
 $winutildir = "$env:LocalAppData\winutil"
 New-Item $winutildir -ItemType Directory -Force | Out-Null
+$sync.winutildir = $winutildir
 
 $logdir = "$winutildir\logs"
 New-Item $logdir -ItemType Directory -Force | Out-Null
-Start-Transcript -Path "$logdir\winutil_$dateTime.log" -Append -NoClobber | Out-Null
+$sync.logPath = "$logdir\winutil_$dateTime.log"
+$sync.transcriptPath = $sync.logPath
+Start-Transcript -Path $sync.logPath -Append -NoClobber | Out-Null
 
 # Set PowerShell window title
 $Host.UI.RawUI.WindowTitle = "WinUtil (Admin)"