feat(template): reboot VM before final shutdown+snapshot

template/Prepare-WinBuild2022.ps1

@@ -132,6 +132,18 @@ param(
 
     [string] $DotNetSdkVersion = '10.0',
 
+    # Tier-2 Toolchain version pins — forwarded as-is to Setup-WinBuild2022.ps1
+    [string] $Pwsh7Version   = '7.6.1',
+    [string] $NSISVersion    = '3.12',
+    [string] $CMakeVersion   = '3.31.6',
+    [string] $NodeJSVersion  = '22.14.0',
+    [string] $WiXVersion     = '4.0.5',
+    [string] $GhCliVersion   = '2.92.0',
+    [string] $VcpkgRef       = '',
+
+    # Skip Tier-2 Toolchain — forwarded to Setup-WinBuild2022.ps1 -SkipTier2
+    [switch] $SkipTier2,
+
     [switch] $SkipWindowsUpdate,
 
     # Skip disk cleanup inside the VM (cleanmgr + DISM + cache clear) — speeds up re-runs
@@ -368,9 +380,17 @@ try {
         BuildUsername      = $BuildUsername
         DotNetSdkVersion   = $DotNetSdkVersion
         AdminPassword      = $AdminPassword
+        Pwsh7Version       = $Pwsh7Version
+        NSISVersion        = $NSISVersion
+        CMakeVersion       = $CMakeVersion
+        NodeJSVersion      = $NodeJSVersion
+        WiXVersion         = $WiXVersion
+        GhCliVersion       = $GhCliVersion
+        VcpkgRef           = $VcpkgRef
     }
     if ($SkipWindowsUpdate) { $setupArgs['SkipWindowsUpdate'] = $true }
     if ($SkipCleanup)       { $setupArgs['SkipCleanup']       = $true }
+    if ($SkipTier2)         { $setupArgs['SkipTier2']         = $true }
 
     # ── Run Setup-WinBuild2022.ps1 inside the VM ──────────────────────────────
     # Setup may return exit 3010 (ERROR_SUCCESS_REBOOT_REQUIRED) when Windows
@@ -570,6 +590,26 @@ try {
         $choice = Read-Host "[Prepare] Shut down VM and create snapshot '$SnapshotName'? [Y/N]"
         if ($choice -match '^[Yy]') {
 
+            # Reboot VM to flush any pending install state before final snapshot
+            Write-Host "[Prepare] Rebooting VM to finalise installation state..."
+            try {
+                Invoke-Command -Session $session -ScriptBlock { Restart-Computer -Force } -ErrorAction SilentlyContinue
+            }
+            catch { }
+            Remove-PSSession $session -ErrorAction SilentlyContinue
+            $session = $null
+
+            Start-Sleep -Seconds 30  # let WinRM tear down before polling
+            Write-Host "[Prepare] Waiting for guest WinRM to come back after reboot (max 10 min)..."
+            if (-not (Wait-GuestWinRMReady -IP $VMIPAddress -Cred $credential `
+                      -SessionOptions $sessionOptions -TimeoutMin 10)) {
+                throw "[Prepare] Guest did not come back after reboot within 10 min."
+            }
+            Write-Host "[Prepare] Guest WinRM ready after reboot." -ForegroundColor Green
+            $session = New-PSSession -ComputerName $VMIPAddress -Credential $credential `
+                                     -SessionOption $sessionOptions -UseSSL -Port 5986 `
+                                     -Authentication Basic -ErrorAction Stop
+
             # Send graceful shutdown
             Write-Host "[Prepare] Sending graceful shutdown to VM..."
             try {

template/Prepare-WinBuild2025.ps1

@@ -590,6 +590,26 @@ try {
         $choice = Read-Host "[Prepare] Shut down VM and create snapshot '$SnapshotName'? [Y/N]"
         if ($choice -match '^[Yy]') {
 
+            # Reboot VM to flush any pending install state before final snapshot
+            Write-Host "[Prepare] Rebooting VM to finalise installation state..."
+            try {
+                Invoke-Command -Session $session -ScriptBlock { Restart-Computer -Force } -ErrorAction SilentlyContinue
+            }
+            catch { }
+            Remove-PSSession $session -ErrorAction SilentlyContinue
+            $session = $null
+
+            Start-Sleep -Seconds 30  # let WinRM tear down before polling
+            Write-Host "[Prepare] Waiting for guest WinRM to come back after reboot (max 10 min)..."
+            if (-not (Wait-GuestWinRMReady -IP $VMIPAddress -Cred $credential `
+                      -SessionOptions $sessionOptions -TimeoutMin 10)) {
+                throw "[Prepare] Guest did not come back after reboot within 10 min."
+            }
+            Write-Host "[Prepare] Guest WinRM ready after reboot." -ForegroundColor Green
+            $session = New-PSSession -ComputerName $VMIPAddress -Credential $credential `
+                                     -SessionOption $sessionOptions -UseSSL -Port 5986 `
+                                     -Authentication Basic -ErrorAction Stop
+
             # Send graceful shutdown
             Write-Host "[Prepare] Sending graceful shutdown to VM..."
             try {