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

functions/public/Invoke-WPFUnInstall.ps1

@@ -11,26 +11,29 @@ function Invoke-WPFUnInstall {
 
     if($sync.ProcessRunning) {
         $msg = "[Invoke-WPFUnInstall] Install process is currently running"
-        [System.Windows.MessageBox]::Show($msg, "Winutil", [System.Windows.MessageBoxButton]::OK, [System.Windows.MessageBoxImage]::Warning)
+        Show-WinUtilMessage -Message $msg -Title "Winutil" -Button "OK" -Icon "Warning"
         return
     }
 
     if ($PackagesToUninstall.Count -eq 0) {
         $WarningMsg = "Please select the program(s) to uninstall"
-        [System.Windows.MessageBox]::Show($WarningMsg, $AppTitle, [System.Windows.MessageBoxButton]::OK, [System.Windows.MessageBoxImage]::Warning)
+        Show-WinUtilMessage -Message $WarningMsg -Title $AppTitle -Button "OK" -Icon "Warning"
         return
     }
 
-    $ButtonType = [System.Windows.MessageBoxButton]::YesNo
+    $ButtonType = "YesNo"
     $MessageboxTitle = "Are you sure?"
     $Messageboxbody = ("This will uninstall the following applications: `n $($PackagesToUninstall | Select-Object Name, Description| Out-String)")
-    $MessageIcon = [System.Windows.MessageBoxImage]::Information
+    $MessageIcon = "Information"
 
-    $confirm = [System.Windows.MessageBox]::Show($Messageboxbody, $MessageboxTitle, $ButtonType, $MessageIcon)
+    $confirm = Show-WinUtilMessage -Message $Messageboxbody -Title $MessageboxTitle -Button $ButtonType -Icon $MessageIcon
 
     if($confirm -eq "No") {return}
 
     $ManagerPreference = $sync.preferences.packagemanager
+    Write-WinUtilLog -Component "Uninstall" -Message "Uninstall requested for $(@($PackagesToUninstall).Count) selected package(s) using preference: $ManagerPreference"
+    $packageSummary = Get-WinUtilPackageLogSummary -Packages $PackagesToUninstall -Preference $ManagerPreference
+    Write-WinUtilLog -Component "Uninstall" -Message "Uninstall selected package(s): $($packageSummary -join '; ')"
 
     Invoke-WPFRunspace -ParameterList @(("PackagesToUninstall", $PackagesToUninstall),("ManagerPreference", $ManagerPreference)) -ScriptBlock {
         param($PackagesToUninstall, $ManagerPreference)
@@ -38,6 +41,7 @@ function Invoke-WPFUnInstall {
         $packagesSorted = Get-WinUtilSelectedPackages -PackageList $PackagesToUninstall -Preference $ManagerPreference
         $packagesWinget = $packagesSorted[[PackageManagers]::Winget]
         $packagesChoco = $packagesSorted[[PackageManagers]::Choco]
+        Write-WinUtilLog -Component "Uninstall" -Message "Uninstall package manager split: winget=$(@($packagesWinget).Count), choco=$(@($packagesChoco).Count)"
 
         try {
             $sync.ProcessRunning = $true
@@ -58,14 +62,18 @@ function Invoke-WPFUnInstall {
             Write-Host "==========================================="
             Write-Host "--       Uninstalls have finished       ---"
             Write-Host "==========================================="
+            Write-WinUtilLog -Component "Uninstall" -Message "Uninstall workflow completed."
             Invoke-WPFUIThread -ScriptBlock { Set-WinUtilTaskbaritem -state "None" -overlay "checkmark" }
         } catch {
+            Hide-WPFInstallAppBusy
             Write-Host "==========================================="
             Write-Host "Error: $_"
             Write-Host "==========================================="
+            Write-WinUtilLog -Level "ERROR" -Component "Uninstall" -Message "Uninstall workflow failed: $($_.Exception.Message)"
            Invoke-WPFUIThread -ScriptBlock { Set-WinUtilTaskbaritem -state "Error" -overlay "warning" }
+        } finally {
+            $sync.ProcessRunning = $False
         }
-        $sync.ProcessRunning = $False
 
     }
 }