fix: apply direct runtime paths and respect taskbar

tests/MBN_STOCK_WEBVIEW.Playout.Tests/PlayoutOptionsLoaderTests.cs

@@ -163,6 +163,49 @@ public sealed class PlayoutOptionsLoaderTests
         }
     }
 
+    [Fact]
+    public void LoadDevelopmentLive_UsesTheFirstRunCutsPathWithoutCopyingIt()
+    {
+        using var environment = ClearedEnvironment()
+            .Set("MBN_STOCK_PLAYOUT_SCENE_DIRECTORY", "C:\\stale-scenes");
+        using var file = TemporaryJsonFile.Create(DevelopmentLiveBaseJson());
+        var executableRoot = Path.Combine(
+            Path.GetTempPath(),
+            Guid.NewGuid().ToString("N"),
+            "app");
+        var selectedCuts = Path.Combine(
+            Path.GetTempPath(),
+            Guid.NewGuid().ToString("N"),
+            "Cuts");
+        Directory.CreateDirectory(executableRoot);
+        Directory.CreateDirectory(selectedCuts);
+        try
+        {
+            var options = PlayoutOptionsLoader.LoadDevelopmentLive(
+                file.Path,
+                executableRoot,
+                selectedCuts);
+
+            Assert.Equal(Path.GetFullPath(selectedCuts), options.SceneDirectory);
+            Assert.Equal(
+                Path.GetFullPath(selectedCuts),
+                options.DevelopmentLiveExecutableSceneDirectory);
+            Assert.False(Directory.Exists(Path.Combine(executableRoot, "Cuts")));
+
+            var validated = ValidatedPlayoutOptions.Create(options);
+            Assert.Equal(Path.GetFullPath(selectedCuts), validated.SceneDirectory);
+        }
+        finally
+        {
+            Directory.Delete(
+                Path.GetDirectoryName(executableRoot)!,
+                recursive: true);
+            Directory.Delete(
+                Path.GetDirectoryName(selectedCuts)!,
+                recursive: true);
+        }
+    }
+
     [Fact]
     public void LoadDevelopmentLive_RejectsBaseProfileThatCanReconnect()
     {