diff --git a/src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/SharpIdeModels.cs b/src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/SharpIdeModels.cs
index f4c52c2..609f3cd 100644
--- a/src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/SharpIdeModels.cs
+++ b/src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/SharpIdeModels.cs
@@ -10,7 +10,7 @@ public class SharpIdeSolutionModel : ISharpIdeNode
 	public required string FilePath { get; set; }
 	public required List<SharpIdeProjectModel> Projects { get; set; }
 	public required List<SharpIdeSolutionFolder> Folders { get; set; }
-	public required List<SharpIdeProjectModel> AllProjects { get; set; }
+	public required HashSet<SharpIdeProjectModel> AllProjects { get; set; }
 }
 public class SharpIdeSolutionFolder : ISharpIdeNode
 {
@@ -27,6 +27,7 @@ public class SharpIdeProjectModel : ISharpIdeNode
 	public required List<SharpIdeFolder> Folders { get; set; }
 	public required List<SharpIdeFile> Files { get; set; }
 	public bool Expanded { get; set; }
+	public bool Running { get; set; }
 	public required Task<Project> MsBuildEvaluationProjectTask { get; set; }
 
 	public Project MsBuildEvaluationProject => MsBuildEvaluationProjectTask.IsCompletedSuccessfully
diff --git a/src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/VsPersistenceMapper.cs b/src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/VsPersistenceMapper.cs
index 39da95d..3026901 100644
--- a/src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/VsPersistenceMapper.cs
+++ b/src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/VsPersistenceMapper.cs
@@ -12,7 +12,7 @@ public static class VsPersistenceMapper
 		var intermediateModel = await IntermediateMapper.GetIntermediateModel(solutionFilePath, cancellationToken);
 
 		var solutionName = Path.GetFileName(solutionFilePath);
-		var allProjects = new List<SharpIdeProjectModel>();
+		var allProjects = new HashSet<SharpIdeProjectModel>();
 		var solutionModel = new SharpIdeSolutionModel
 		{
 			Name = solutionName,
@@ -33,7 +33,7 @@ public static class VsPersistenceMapper
 
 		return solutionModel;
 	}
-	private static SharpIdeProjectModel GetSharpIdeProjectModel(IntermediateProjectModel projectModel, List<SharpIdeProjectModel> allProjects)
+	private static SharpIdeProjectModel GetSharpIdeProjectModel(IntermediateProjectModel projectModel, HashSet<SharpIdeProjectModel> allProjects)
 	{
 		var project = new SharpIdeProjectModel
 		{
@@ -47,7 +47,7 @@ public static class VsPersistenceMapper
 		return project;
 	}
 
-	private static SharpIdeSolutionFolder GetSharpIdeSolutionFolder(IntermediateSlnFolderModel folderModel, List<SharpIdeProjectModel> allProjects) => new SharpIdeSolutionFolder()
+	private static SharpIdeSolutionFolder GetSharpIdeSolutionFolder(IntermediateSlnFolderModel folderModel, HashSet<SharpIdeProjectModel> allProjects) => new SharpIdeSolutionFolder()
 	{
 		Name = folderModel.Model.Name,
 		Files = folderModel.Files.Select(GetSharpIdeFile).ToList(),