Update src/svsmsp.install.ps1

src/svsmsp.install.ps1

@@ -54,19 +54,44 @@ function Install-SVSMSP {
         }
     }
 
+    function Ensure-PowerShellGetV2 {
+        Ensure-NuGetProvider
+        try {
+            Remove-Module PowerShellGet,PackageManagement -Force -ErrorAction SilentlyContinue
+
+            # Prefer modern versions (avoid PowerShellGet 1.0.0.1)
+            Import-Module PackageManagement -RequiredVersion 1.4.8.1 -Force -ErrorAction Stop
+            Import-Module PowerShellGet     -RequiredVersion 2.2.5   -Force -ErrorAction Stop
+            return $true
+        } catch {
+            Write-LogHybrid "Failed to load required PowerShellGet/PackageManagement versions: $($_.Exception.Message)" "Warning" "SVSModule" -LogToEvent
+            return $false
+        }
+    }
+
     function Get-InstallStrategy {
         # 1) PSResourceGet if present/usable
-        if (Ensure-PSResourceGet) {
+    if (Ensure-PSResourceGet) { return "PSResourceGet" }
-            if (Get-Command Register-PSResourceRepository -ErrorAction SilentlyContinue) { return "PSResourceGet" }
-        }
 
-        # 2) PowerShellGet v2 cmdlets if present
+    # 2) Only use PSGet v2 if we can force-load the good versions
-        if (Get-Command Register-PSRepository -ErrorAction SilentlyContinue) { return "PowerShellGetV2" }
+    if (Ensure-PowerShellGetV2) { return "PowerShellGetV2" }
 
         # 3) NuGet provider fallback
         return "NuGetProvider"
     }
 
+    function Import-InstalledModuleOrThrow {
+        param([Parameter(Mandatory=$true)][string]$Name)
+
+        try {
+            Import-Module $Name -Force -ErrorAction Stop
+        } catch {
+            Write-LogHybrid "Module import failed for '$Name': $($_.Exception.Message)" "Error" "SVSModule" -LogToEvent
+            throw
+        }
+    }
+
+
     function Register-Repo_PSResourceGet {
         Write-LogHybrid "Registering PSResourceGet repo $NewRepositoryName…" "Info" "SVSModule" -LogToEvent
         if (-not (Get-PSResourceRepository -Name $NewRepositoryName -ErrorAction SilentlyContinue)) {
@@ -77,7 +102,7 @@ function Install-SVSMSP {
     function Install-Module_PSResourceGet {
         Write-LogHybrid "Installing module $NewModuleName via PSResourceGet…" "Info" "SVSModule" -LogToEvent
         Install-PSResource -Name $NewModuleName -Repository $NewRepositoryName -Scope AllUsers -Reinstall -ErrorAction Stop
-        Import-Module $NewModuleName -Force -ErrorAction SilentlyContinue
+        Import-InstalledModuleOrThrow -Name $NewModuleName   
     }
 
     function Register-Repo_PowerShellGetV2 {
@@ -90,7 +115,7 @@ function Install-SVSMSP {
     function Install-Module_PowerShellGetV2 {
         Write-LogHybrid "Installing module $NewModuleName via PowerShellGet…" "Info" "SVSModule" -LogToEvent
         Install-Module -Name $NewModuleName -Repository $NewRepositoryName -Scope AllUsers -Force -ErrorAction Stop
-        Import-Module $NewModuleName -Force -ErrorAction SilentlyContinue
+        Import-InstalledModuleOrThrow -Name $NewModuleName    
     }
 
     function Register-Repo_NuGetProvider {
@@ -131,7 +156,7 @@ function Install-SVSMSP {
             New-Item -ItemType Directory -Path $dest -Force | Out-Null
             Copy-Item -Path (Join-Path $moduleRoot '*') -Destination $dest -Recurse -Force
 
-            Import-Module $NewModuleName -Force -ErrorAction SilentlyContinue
+            Import-InstalledModuleOrThrow -Name $NewModuleName        
         } catch {
             Write-LogHybrid "NuGet promotion step skipped/failed: $($_.Exception.Message)" "Warning" "SVSModule" -LogToEvent
         }
@@ -269,7 +294,7 @@ function Install-SVSMSP {
                     Install-Module_PSResourceGet
                 }
                 "PowerShellGetV2" {
-                    Ensure-NuGetProvider
+                    if (-not (Ensure-PowerShellGetV2)) { throw "PowerShellGetV2 not usable on this system." }
                     Register-Repo_PowerShellGetV2
                     Install-Module_PowerShellGetV2
                 }