fix: initialize selected runtime for live playout

tests/MBN_STOCK_WEBVIEW.LegacyWeb.Tests/LegacyRuntimeAssetDeploymentContractTests.cs

@@ -373,7 +373,11 @@ public sealed class LegacyRuntimeAssetDeploymentContractTests
                     "External legacy runtime paths are enabled",
                     StringComparison.Ordinal));
         Assert.Contains(
-            "Cuts files remain in the selected folder",
+            @"Cuts and the credential-bearing Res\MmoneyCoder.ini remain",
+            fullRuntimeMessage.Attribute("Text")?.Value,
+            StringComparison.Ordinal);
+        Assert.Contains(
+            "in the selected external folders",
             fullRuntimeMessage.Attribute("Text")?.Value,
             StringComparison.Ordinal);
 
@@ -654,6 +658,10 @@ public sealed class LegacyRuntimeAssetDeploymentContractTests
             RepositoryRoot,
             "scripts",
             "Initialize-ExistingDevelopmentPc.ps1"));
+        var registrationInspector = File.ReadAllText(Path.Combine(
+            RepositoryRoot,
+            "scripts",
+            "Inspect-K3DRegistration.ps1"));
 
         Assert.Contains("[string] $LegacyRuntimeSourceRoot", initializer,
             StringComparison.Ordinal);
@@ -784,6 +792,34 @@ public sealed class LegacyRuntimeAssetDeploymentContractTests
             "[string] $classReport.ThreadingModel -cne 'Apartment'",
             initializer,
             StringComparison.Ordinal);
+        Assert.Contains(
+            "$standardK3dRoot = 'C:\\K3DAsyncEngine'",
+            initializer,
+            StringComparison.Ordinal);
+        Assert.Contains(
+            "DLL\\x64\\Release\\K3DAsyncEngine.dll",
+            initializer,
+            StringComparison.Ordinal);
+        Assert.Contains(
+            "Bin\\x64\\C#\\Interop.K3DAsyncEngineLib.dll",
+            initializer,
+            StringComparison.Ordinal);
+        Assert.Contains(
+            "-Right $standardK3dNativePath",
+            initializer,
+            StringComparison.Ordinal);
+        Assert.Contains(
+            "$expectedVendorRoot = 'C:\\K3DAsyncEngine'",
+            registrationInspector,
+            StringComparison.Ordinal);
+        Assert.Contains(
+            "-Expected $expectedNativePath",
+            registrationInspector,
+            StringComparison.Ordinal);
+        Assert.Contains(
+            "Assert-Amd64File -Path $interopPath",
+            registrationInspector,
+            StringComparison.Ordinal);
         Assert.DoesNotContain("Activator.CreateInstance", initializer,
             StringComparison.Ordinal);
         Assert.DoesNotContain("Connect(", initializer, StringComparison.Ordinal);