diff --git a/Launcher.Next.App/MainWindow.xaml.cs b/Launcher.Next.App/MainWindow.xaml.cs
index ee69746..b2ad8f1 100644
--- a/Launcher.Next.App/MainWindow.xaml.cs
+++ b/Launcher.Next.App/MainWindow.xaml.cs
@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using System.Linq;
+using System.Text;
 using System.Threading;
 using Launcher.Next.Application;
 using Launcher.Next.Autodesk;
@@ -9,113 +10,194 @@ namespace Launcher.Next.App;
 
 public partial class MainWindow : System.Windows.Window
 {
-    private sealed record LauncherProduct(string Id,string Name,string? Executable,string Diagnostic);
+    private sealed record LauncherProduct(string Id, string Name, string? Executable, string Diagnostic);
     private readonly LocalParityLaunchProfile? localProfile;
-    private readonly LocalParityLaunchService localService=new();
-    private readonly LegacyConfigurationAdapter adapter=new();
+    private readonly LocalParityLaunchService localService = new();
+    private readonly LegacyConfigurationAdapter adapter = new();
     private LauncherProduct? selected;
     private string? projectPath;
     private string? manualRosterPath;
-    public MainWindow() { InitializeComponent(); WireSourceVerifiedSelection(); Initialize(); }
-    internal MainWindow(LocalParityLaunchProfile profile) { localProfile=profile; InitializeComponent(); WireSourceVerifiedSelection(); Initialize(); }
-    private void WireSourceVerifiedSelection()
-    {
-        SelectProjectButton.Click -= SelectProject_Click;
-        SelectProjectButton.Click += SelectProjectFile_Click;
-        AutomaticMode.Checked -= LoadMode_Changed;
-        ListMode.Checked -= LoadMode_Changed;
-        AutomaticMode.Checked += LoadModeChanged;
-        ListMode.Checked += LoadModeChanged;
-    }
+    private string stage = "ProductSelection";
+    private string code = "PRODUCT_NOT_SELECTED";
+    private string detail = "";
+    private string pattern = "";
+    private string expectedRoster = "";
+    private string orderedIds = "";
+    private string mappingState = "NotEvaluated";
+    private string preparationState = "NotStarted";
+    private string activationState = "NotStarted";
+    private string bootstrapState = "NotStarted";
+    private string processState = "NotStarted";
+    private int? processId;
+    private string packageLoadMarker = "NotStarted";
+
+    public MainWindow() { InitializeComponent(); Initialize(); }
+    internal MainWindow(LocalParityLaunchProfile profile) { localProfile = profile; InitializeComponent(); Initialize(); }
+
     private void Initialize()
     {
-        var plant=new PlantProductDiscovery(new WindowsRegistryReader()).DiscoverPlant3D(2026);
-        var navisworks=Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles),"Autodesk","Navisworks Manage 2026","Roamer.exe");
-        Products.ItemsSource=new[]{new LauncherProduct("navisworks","Navisworks Manage 2026",File.Exists(navisworks)?navisworks:null,File.Exists(navisworks)?"Найден":"Navisworks Manage 2026 не найден"),new LauncherProduct("pnid","Plant P&ID 2026",plant?.ExecutablePath,plant is null?"Plant P&ID 2026 не найден":"Используется установленный Plant 3D 2026 runtime"),new LauncherProduct("plant3d","Plant 3D 2026",plant?.ExecutablePath,plant is null?"Plant 3D 2026 не найден":"Найден")};
-        Version.Text="Версия: "+typeof(MainWindow).Assembly.GetName().Version;
-        Status.Text="Выберите программное обеспечение.";
-        if(localProfile is not null) { Products.SelectedIndex=2; Status.Text="Выберите controlled non-production папку проекта."; }
+        var plant = new PlantProductDiscovery(new WindowsRegistryReader()).DiscoverPlant3D(2026);
+        var navisworks = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), "Autodesk", "Navisworks Manage 2026", "Roamer.exe");
+        Products.ItemsSource = new[]
+        {
+            new LauncherProduct("navisworks", "Navisworks Manage 2026", File.Exists(navisworks) ? navisworks : null, File.Exists(navisworks) ? "Найден" : "Navisworks Manage 2026 не найден"),
+            new LauncherProduct("pnid", "Plant P&ID 2026", plant?.ExecutablePath, plant is null ? "Plant P&ID 2026 не найден" : "Используется установленный Plant runtime"),
+            new LauncherProduct("plant3d", "Plant 3D 2026", plant?.ExecutablePath, plant is null ? "Plant 3D 2026 не найден" : "Найден")
+        };
+        Version.Text = "Версия: " + typeof(MainWindow).Assembly.GetName().Version;
+        Transition("ProductSelection", "PRODUCT_NOT_SELECTED", "Выберите программное обеспечение");
+        if (localProfile is not null) Products.SelectedIndex = 2;
     }
-    private void Products_SelectionChanged(object sender,System.Windows.Controls.SelectionChangedEventArgs e)
-    { selected=Products.SelectedItem as LauncherProduct; projectPath=null; ProjectPath.Text=selected is null?"Выберите программное обеспечение":"Папка проекта не выбрана"; SelectProjectButton.IsEnabled=selected?.Executable is not null; StartButton.IsEnabled=false; Plugins.ItemsSource=null; Plugins.IsEnabled=false; ProductStatus.Text=selected?.Diagnostic??""; Status.Text=selected?.Executable is null?selected?.Diagnostic??"Выберите программное обеспечение":"Выберите папку проекта."; }
-    private void SelectProject_Click(object sender,System.Windows.RoutedEventArgs e)
+
+    private void Products_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
     {
-        if(selected is null)return; var dialog=new Microsoft.Win32.OpenFolderDialog { Title="Выберите папку проекта" }; if(dialog.ShowDialog()!=true)return;
-        var path=Path.GetFullPath(dialog.FolderName); if(!Directory.Exists(path)){Status.Text="Выбранная папка недоступна.";return;} if(selected.Id is "plant3d" or "pnid" && !File.Exists(Path.Combine(path,"Project.xml"))){Status.Text="Выбранная папка не является проектом Plant 3D.";return;}
-        projectPath=path; ProjectPath.Text=path; ResolvePlugins();
+        selected = Products.SelectedItem as LauncherProduct;
+        projectPath = null;
+        manualRosterPath = null;
+        ClearOperationState();
+        ProjectPath.Text = selected is null ? "Выберите программное обеспечение" : "Проект не выбран";
+        SelectProjectButton.IsEnabled = selected?.Executable is not null;
+        ProductStatus.Text = selected?.Diagnostic ?? "";
+        Transition(selected?.Executable is null ? "ProductSelectionFailed" : "ProjectSelection", selected?.Executable is null ? "PRODUCT_NOT_FOUND" : "PROJECT_NOT_SELECTED", selected?.Executable is null ? selected?.Diagnostic ?? "Продукт не найден" : "Выберите проект");
     }
+
+    private void SelectProject_Click(object sender, System.Windows.RoutedEventArgs e) => SelectProjectFile_Click(sender, e);
+
     private void SelectProjectFile_Click(object sender, System.Windows.RoutedEventArgs e)
     {
         if (selected is null) return;
         var product = LegacyProductSelections.For(selected.Id);
-        var dialog = new Microsoft.Win32.OpenFileDialog { Title = "Select project", Filter = product.Filter, CheckFileExists = true, Multiselect = false };
+        var dialog = new Microsoft.Win32.OpenFileDialog { Title = "Выберите проект", Filter = product.Filter, CheckFileExists = true, Multiselect = false };
         if (dialog.ShowDialog() != true) return;
+        ClearOperationState();
         try
         {
+            Transition("ProjectSelected", "PROJECT_SELECTED", "Проверка проекта");
             projectPath = LegacyProductSelections.ValidateSelectedFile(product, dialog.FileName);
             manualRosterPath = null;
             ProjectPath.Text = Path.GetFileName(projectPath);
-            ResolvePluginsSourceVerified();
+            Transition("ProjectValidated", "PROJECT_VALID", "Поиск списка плагинов");
+            ResolvePlugins();
         }
-        catch (Exception ex) { Status.Text = UserMessage(ex.Message); }
+        catch (Exception ex) { ReportFailure(ex, "ProjectValidationFailed"); }
     }
 
-    private void LoadModeChanged(object sender, System.Windows.RoutedEventArgs e)
+    private void LoadMode_Changed(object sender, System.Windows.RoutedEventArgs e)
     {
         if (projectPath is null || selected is null) return;
         if (ListMode.IsChecked == true)
         {
-            var dialog = new Microsoft.Win32.OpenFileDialog { Title = "Select download_list.xml", Filter = "download_list.xml (*.xml)|*.xml|All files (*.*)|*.*", CheckFileExists = true, Multiselect = false };
+            var dialog = new Microsoft.Win32.OpenFileDialog { Title = "Выберите download_list.xml", Filter = "download_list.xml (*.xml)|*.xml|All files (*.*)|*.*", CheckFileExists = true, Multiselect = false };
             if (dialog.ShowDialog() != true) { AutomaticMode.IsChecked = true; return; }
             manualRosterPath = dialog.FileName;
         }
         else manualRosterPath = null;
-        ResolvePluginsSourceVerified();
+        ClearOperationState();
+        ResolvePlugins();
     }
 
-    private void LoadMode_Changed(object sender,System.Windows.RoutedEventArgs e) { if(projectPath is not null)ResolvePlugins(); }
-    private void ResolvePluginsSourceVerified()
+    private void ResolvePlugins()
     {
         if (selected is null || projectPath is null) return;
-        if (localProfile is not null && selected.Id == "plant3d") { ResolvePlugins(); return; }
         try
         {
             var product = LegacyProductSelections.For(selected.Id);
+            pattern = localProfile is not null && selected.Id == "plant3d" ? localProfile.PatternName : product.Pattern;
+            expectedRoster = manualRosterPath ?? LegacyProductSelections.AutomaticRoster(product, projectPath);
+            Transition("AutomaticRosterPathResolved", "AUTOMATIC_ROSTER_PATH_RESOLVED", "Поиск списка плагинов", expectedRoster);
             var plan = LegacyProductSelections.ReadRoster(product, projectPath, manualRosterPath, adapter);
+            if (localProfile is not null && selected.Id == "plant3d" && !string.Equals(Path.GetFullPath(plan.RosterPath), Path.GetFullPath(localProfile.DownloadListPath), StringComparison.OrdinalIgnoreCase))
+                throw new InvalidOperationException("LOCAL_PARITY_ROSTER_PROFILE_MISMATCH");
+            orderedIds = string.Join(", ", plan.OrderedIds);
             Plugins.ItemsSource = plan.OrderedIds;
             Plugins.IsEnabled = false;
-            PluginStatus.Text = $"List source: {plan.Source}.";
-            StartButton.IsEnabled = false;
-            Status.Text = plan.UnmappedIds.Count == 0
-                ? "Packages for the selected plugins are not mapped to 2026 packages."
-                : $"Packages for {product.DisplayName} are not yet available for 2026: {string.Join(", ", plan.UnmappedIds)}";
-        }
-        catch (Exception ex)
-        {
-            Plugins.ItemsSource = null;
-            Plugins.IsEnabled = false;
-            StartButton.IsEnabled = false;
-            Status.Text = ex.Message == "LEGACY_DOWNLOAD_LIST_NOT_FOUND"
-                ? "Для выбранного проекта не найден список плагинов"
-                : UserMessage(ex.Message);
+            PluginStatus.Text = "Источник списка: " + (manualRosterPath is null ? "Автоматически" : "Выбран вручную");
+            Transition("OrderedPluginIdsResolved", "PLUGIN_PLAN_RESOLVED", "Плагины определены");
+            mappingState = plan.UnmappedIds.Count == 0 ? "Mapped" : "Unmapped: " + string.Join(", ", plan.UnmappedIds);
+            if (plan.UnmappedIds.Count > 0)
+            {
+                StartButton.IsEnabled = false;
+                Transition("PackageMappingFailed", "PACKAGE_MAPPING_NOT_FOUND", $"Для {product.DisplayName} отсутствуют пакеты 2026: {string.Join(", ", plan.UnmappedIds)}");
+                return;
+            }
+            if (localProfile is null || selected.Id != "plant3d")
+            {
+                StartButton.IsEnabled = false;
+                Transition("PackageMappingFailed", "PACKAGE_MAPPING_NOT_FOUND", "Для выбранных плагинов отсутствуют пакеты 2026");
+                return;
+            }
+            ValidateLocalProfileDefinitions(plan);
+            mappingState = "Mapped";
+            StartButton.IsEnabled = true;
+            Transition("Ready", "READY", "Готово к запуску");
         }
+        catch (Exception ex) { ReportFailure(ex, "RosterResolutionFailed"); }
     }
-    private void ResolvePlugins()
+
+    private void ValidateLocalProfileDefinitions(LegacyPluginPlan plan)
     {
-        if(selected is null||projectPath is null)return;
-        if(localProfile is not null && selected.Id=="plant3d")
-        {
-            var settings=adapter.ParseSettings(File.ReadAllText(localProfile.SettingsPath)); var pattern=settings.Patterns.Single(x=>x.Name==localProfile.PatternName); Plugins.ItemsSource=pattern.Plugins; Plugins.IsEnabled=ListMode.IsChecked==true; foreach(var item in Plugins.Items)Plugins.SelectedItems.Add(item); PluginStatus.Text=AutomaticMode.IsChecked==true?"Плагины определены автоматически для выбранного проекта.":"Выберите допустимый список плагинов."; StartButton.IsEnabled=true; Status.Text="Готово к запуску."; return;
-        }
-        PluginStatus.Text="Для выбранного продукта нет approved local mapping пакетов."; Plugins.ItemsSource=null; Plugins.IsEnabled=false; StartButton.IsEnabled=false; Status.Text="Источник пакета недоступен для выбранного продукта.";
+        var settings = adapter.ParseSettings(File.ReadAllText(localProfile!.SettingsPath));
+        var selectedPattern = settings.Patterns.SingleOrDefault(x => string.Equals(x.Name, localProfile.PatternName, StringComparison.Ordinal));
+        if (selectedPattern is null) throw new InvalidOperationException("LOCAL_PARITY_PATTERN_NOT_FOUND");
+        var overlay = LegacyCompatibilityOverlayParser.Parse(File.ReadAllText(localProfile.OverlayPath));
+        adapter.Join(selectedPattern, new LegacyDownloadSelection(plan.OrderedIds), overlay);
     }
-    private async void Start_Click(object sender,System.Windows.RoutedEventArgs e)
+
+    private async void Start_Click(object sender, System.Windows.RoutedEventArgs e)
     {
-        if(localProfile is null||selected?.Id!="plant3d"||projectPath is null){Status.Text="Не удалось определить список плагинов.";return;}
-        try { StartButton.IsEnabled=false; Status.Text="Подготовка плагинов…"; var prepared=await localService.PrepareAsync(localProfile,CancellationToken.None); Status.Text="Запуск Autodesk…"; var result=await localService.LaunchAsync(prepared,CancellationToken.None); Status.Text=result.TerminalState=="Succeeded"?$"Autodesk запущен (PID {result.ProcessId}).":"Не удалось подтвердить загрузку пакета; диагностика сохранена."; StartButton.IsEnabled=true; }
-        catch(Exception ex){Status.Text="Ошибка: "+UserMessage(ex.Message);StartButton.IsEnabled=true;}
+        if (localProfile is null || selected?.Id != "plant3d" || projectPath is null || !StartButton.IsEnabled) return;
+        StartButton.IsEnabled = false;
+        try
+        {
+            preparationState = "InProgress";
+            Transition("PackagePreparation", "PACKAGE_PREPARING", "Подготовка плагинов");
+            var profile = manualRosterPath is null ? localProfile : localProfile with { DownloadListPath = manualRosterPath };
+            var prepared = await localService.PrepareAsync(profile, CancellationToken.None);
+            preparationState = "Succeeded";
+            activationState = prepared.Activation.Outcome;
+            bootstrapState = "Created";
+            Transition("ProcessStart", "PROCESS_STARTING", "Запуск Plant 3D");
+            var result = await localService.LaunchAsync(prepared, CancellationToken.None);
+            processId = result.ProcessId;
+            processState = result.StartupVerified ? "Started" : "ExitedEarly";
+            packageLoadMarker = result.PackageLoadConfirmed ? "AssemblyInitializeCompleted" : "Missing";
+            if (result.TerminalState == "Succeeded") Transition("Ready", "PACKAGE_LOAD_CONFIRMED", $"Plant 3D готов к работе (PID {result.ProcessId})");
+            else Transition("PackageLoadFailed", "PACKAGE_LOAD_NOT_CONFIRMED", "Plant 3D запущен, но автоматическая загрузка плагинов не подтверждена");
+        }
+        catch (Exception ex) { ReportFailure(ex, "PackagePreparationFailed"); }
+        finally { StartButton.IsEnabled = stage == "Ready"; }
+    }
+
+    private void ClearOperationState()
+    {
+        Plugins.ItemsSource = null;
+        Plugins.IsEnabled = false;
+        StartButton.IsEnabled = false;
+        pattern = expectedRoster = orderedIds = detail = "";
+        mappingState = preparationState = activationState = bootstrapState = processState = "NotStarted";
+        processId = null;
+        packageLoadMarker = "NotStarted";
+    }
+
+    private void Transition(string nextStage, string nextCode, string message, string? technicalDetail = null)
+    {
+        stage = nextStage;
+        code = nextCode;
+        detail = technicalDetail ?? "";
+        Status.Text = message;
+    }
+
+    private void ReportFailure(Exception exception, string fallbackStage)
+    {
+        var failure = LauncherOperationFailures.Classify(exception.Message, fallbackStage, fallbackStage == "ProcessStartFailed");
+        Transition(failure.Stage, failure.Code, failure.UserMessage, exception.ToString());
+    }
+
+    private void Help_Click(object sender, System.Windows.RoutedEventArgs e) => System.Windows.MessageBox.Show("Выберите ПО и project file. В автоматическом режиме Launcher использует список плагинов, определённый проектом. Режим \"По списку\" позволяет явно выбрать download_list.xml.", "Справка");
+
+    private void Diagnostics_Click(object sender, System.Windows.RoutedEventArgs e)
+    {
+        var report = $"Launcher version: {typeof(MainWindow).Assembly.GetName().Version}\nSelected product: {selected?.Name}\nDiscovery: {selected?.Diagnostic}\nSelected project: {projectPath}\nProject validation: {(projectPath is null ? "NotStarted" : "Passed")}\nSelected mode: {(AutomaticMode.IsChecked == true ? "Automatic" : "Manual")}\nPattern: {pattern}\nExpected download list: {expectedRoster}\nOrdered legacy IDs: {orderedIds}\nDefinition join: {mappingState}\nPreparation: {preparationState}\nActivation: {activationState}\nBootstrap: {bootstrapState}\nProcess start: {processState}\nPID: {processId}\nPackage-load marker: {packageLoadMarker}\nLast error stage: {stage}\nLast error code: {code}\nTechnical detail: {detail}";
+        System.Windows.MessageBox.Show(report, "Диагностика Launcher Next");
     }
-    private static string UserMessage(string code)=>code.Contains("NOT_FOUND",StringComparison.Ordinal)?"Не найден Plant 3D 2026":code.Contains("MANIFEST",StringComparison.Ordinal)?"Пакет повреждён":code.Contains("ACTIVATION",StringComparison.Ordinal)?"Не удалось активировать пакет":"Не удалось запустить Autodesk";
-    private void Help_Click(object sender,System.Windows.RoutedEventArgs e)=>System.Windows.MessageBox.Show("Выберите ПО, затем папку проекта. В автоматическом режиме Launcher сам подготовит допустимые пакеты и запустит Autodesk.","Справка");
-    private void Diagnostics_Click(object sender,System.Windows.RoutedEventArgs e)=>System.Windows.MessageBox.Show($"{selected?.Diagnostic}\n{ProjectPath.Text}\n{Status.Text}","Диагностика Launcher Next");
 }
diff --git a/Launcher.Next.Application/LauncherOperationFailure.cs b/Launcher.Next.Application/LauncherOperationFailure.cs
new file mode 100644
index 0000000..75edf8e
--- /dev/null
+++ b/Launcher.Next.Application/LauncherOperationFailure.cs
@@ -0,0 +1,21 @@
+namespace Launcher.Next.Application;
+
+public sealed record LauncherOperationFailure(string Stage, string Code, string UserMessage, bool ProcessStartAttempted);
+
+public static class LauncherOperationFailures
+{
+    public static LauncherOperationFailure Classify(string code, string fallbackStage, bool processStartAttempted = false) => code switch
+    {
+        "LEGACY_DOWNLOAD_LIST_NOT_FOUND" => new("RosterResolutionFailed", "AUTOMATIC_DOWNLOAD_LIST_NOT_FOUND", "Для выбранного проекта не найден список плагинов", false),
+        "LEGACY_DOWNLOAD_SELECTION_INVALID" => new("PluginPlanFailed", "DOWNLOAD_LIST_INVALID", "Список плагинов проекта содержит недопустимые или повторяющиеся записи", false),
+        "LEGACY_PLUGIN_PRODUCT_MISMATCH" => new("PluginPlanFailed", "PLUGIN_PRODUCT_MISMATCH", "Список плагинов не совместим с выбранным продуктом", false),
+        "LEGACY_PLUGIN_ID_NOT_DEFINED" => new("PluginPlanFailed", "PLUGIN_DEFINITION_NOT_FOUND", "Для одного из плагинов отсутствует определение", false),
+        "AMBIGUOUS_LEGACY_PLUGIN_DEFINITION" => new("PluginPlanFailed", "PLUGIN_DEFINITION_AMBIGUOUS", "Определение плагина неоднозначно", false),
+        "LEGACY_MAPPING_NOT_FOUND" => new("PackageMappingFailed", "PACKAGE_MAPPING_NOT_FOUND", "Для выбранных плагинов отсутствуют пакеты 2026", false),
+        "LOCAL_PARITY_ROSTER_PROFILE_MISMATCH" => new("RosterResolutionFailed", "OWNER_REVIEW_PROFILE_ROSTER_MISMATCH", "Контролируемая конфигурация не соответствует выбранному проекту", false),
+        _ when code.Contains("PROCESS", StringComparison.Ordinal) || code.Contains("PLANT3D_2026_NOT_FOUND", StringComparison.Ordinal) => new("ProcessStartFailed", "PROCESS_START_FAILED", "Не удалось запустить Autodesk", true),
+        _ when code.Contains("ACTIVATION", StringComparison.Ordinal) => new("PackageActivationFailed", "PACKAGE_ACTIVATION_FAILED", "Не удалось активировать пакет", false),
+        _ when code.Contains("MANIFEST", StringComparison.Ordinal) => new("PackagePreparationFailed", "PACKAGE_MANIFEST_INVALID", "Пакет повреждён", false),
+        _ => new(fallbackStage, code, "Операция не выполнена: " + code, processStartAttempted)
+    };
+}
diff --git a/tests/Launcher.Next.Tests/OwnerReviewStateTests.cs b/tests/Launcher.Next.Tests/OwnerReviewStateTests.cs
new file mode 100644
index 0000000..6415224
--- /dev/null
+++ b/tests/Launcher.Next.Tests/OwnerReviewStateTests.cs
@@ -0,0 +1,47 @@
+using Launcher.Next.Application;
+using Xunit;
+
+namespace Launcher.Next.Tests;
+
+public sealed class OwnerReviewStateTests
+{
+    [Fact]
+    public void MissingAutomaticRoster_IsRosterFailure_NotProcessStartFailure()
+    {
+        var failure = LauncherOperationFailures.Classify("LEGACY_DOWNLOAD_LIST_NOT_FOUND", "RosterResolutionFailed");
+        Assert.Equal("RosterResolutionFailed", failure.Stage);
+        Assert.Equal("AUTOMATIC_DOWNLOAD_LIST_NOT_FOUND", failure.Code);
+        Assert.False(failure.ProcessStartAttempted);
+        Assert.DoesNotContain("запустить Autodesk", failure.UserMessage, StringComparison.OrdinalIgnoreCase);
+    }
+
+    [Theory]
+    [InlineData("LEGACY_DOWNLOAD_SELECTION_INVALID", "PluginPlanFailed", "DOWNLOAD_LIST_INVALID")]
+    [InlineData("LEGACY_PLUGIN_PRODUCT_MISMATCH", "PluginPlanFailed", "PLUGIN_PRODUCT_MISMATCH")]
+    [InlineData("LEGACY_MAPPING_NOT_FOUND", "PackageMappingFailed", "PACKAGE_MAPPING_NOT_FOUND")]
+    [InlineData("LOCAL_PARITY_ROSTER_PROFILE_MISMATCH", "RosterResolutionFailed", "OWNER_REVIEW_PROFILE_ROSTER_MISMATCH")]
+    public void SelectionAndMappingErrors_KeepTheirOperationStage(string source, string stage, string code)
+    {
+        var failure = LauncherOperationFailures.Classify(source, "ProjectValidationFailed");
+        Assert.Equal(stage, failure.Stage);
+        Assert.Equal(code, failure.Code);
+        Assert.False(failure.ProcessStartAttempted);
+    }
+
+    [Fact]
+    public void LaunchFailure_IsAttributedOnlyToActualProcessStartCode()
+    {
+        var failure = LauncherOperationFailures.Classify("PLANT3D_PROCESS_NOT_CREATED", "PackagePreparationFailed");
+        Assert.Equal("ProcessStartFailed", failure.Stage);
+        Assert.True(failure.ProcessStartAttempted);
+        Assert.Equal("Не удалось запустить Autodesk", failure.UserMessage);
+    }
+
+    [Fact]
+    public void UnknownPreparationFailure_DoesNotBecomeProcessFailure()
+    {
+        var failure = LauncherOperationFailures.Classify("LOCAL_PARITY_PATTERN_NOT_FOUND", "PackagePreparationFailed");
+        Assert.Equal("PackagePreparationFailed", failure.Stage);
+        Assert.False(failure.ProcessStartAttempted);
+    }
+}