diff --git a/Program.cs b/Program.cs
index ea433fa..8309d27 100644
--- a/Program.cs
+++ b/Program.cs
@@ -40,6 +40,14 @@ internal static class Program
 			return;
 		}
 
+		// Headless-Smoke-Test der UI: konstruiert jede View + den Launcher (ohne Message-Loop
+		// und ohne Trading-/WSS-Services). Fängt Laufzeit-Konstruktionsfehler ab. Kein Fenster.
+		if (args.Length > 0 && string.Equals(args[0], "--smoke-ui", StringComparison.OrdinalIgnoreCase))
+		{
+			Environment.ExitCode = RunSmokeUi();
+			return;
+		}
+
 		ApplicationConfiguration.Initialize();
 
 			var modules = new System.Collections.Generic.List<IPolyTraderModule>
@@ -47,7 +55,13 @@ internal static class Program
 				new CopyTradingModule()
 			};
 
-			AppHost = Host.CreateDefaultBuilder().ConfigureServices(delegate(HostBuilderContext context, IServiceCollection services)
+			AppHost = Host.CreateDefaultBuilder()
+				// Host.CreateDefaultBuilder lädt appsettings.Local.json NICHT (nur appsettings.json
+				// + appsettings.{Environment}.json). Die gitignorierte Local-Datei hält aber die
+				// MySQL-Connection – daher hier explizit ergänzen, sonst bleibt sie leer.
+				.ConfigureAppConfiguration((context, config) =>
+					config.AddJsonFile("appsettings.Local.json", optional: true, reloadOnChange: false))
+				.ConfigureServices(delegate(HostBuilderContext context, IServiceCollection services)
 			{
 				var databaseOptions = new DatabaseOptions
 				{
@@ -237,4 +251,87 @@ internal static class Program
 
 		Services.ConfigMigrator.VerifyMySql(mySql);
 	}
+
+	/// <summary>
+	/// Headless-Smoke-Test: baut einen minimalen Host (Persistenz + State + Modul-Registrierung
+	/// + Shell/Launcher), hydriert den State aus MySQL und konstruiert jede registrierte View
+	/// sowie den Launcher – ohne Message-Loop und ohne Trading-/WSS-Services zu starten.
+	/// Gibt 0 zurück, wenn alles fehlerfrei konstruiert, sonst die Fehleranzahl.
+	/// </summary>
+	private static int RunSmokeUi()
+	{
+		ApplicationConfiguration.Initialize();
+
+		var modules = new System.Collections.Generic.List<IPolyTraderModule> { new CopyTradingModule() };
+
+		using var host = Host.CreateDefaultBuilder()
+			.ConfigureAppConfiguration((context, config) =>
+				config.AddJsonFile("appsettings.Local.json", optional: true, reloadOnChange: false))
+			.ConfigureServices((context, services) =>
+		{
+			var databaseOptions = new DatabaseOptions
+			{
+				MySqlConnectionString = context.Configuration["Database:MySqlConnectionString"] ?? string.Empty
+			};
+			services.Configure<DatabaseOptions>(context.Configuration.GetSection(DatabaseOptions.SectionName));
+			services.AddCorePersistence(databaseOptions);
+			services.AddSingleton<TerminalLogger>();
+			services.AddSingleton<TradingState>();
+			services.AddSingleton<StartupHydrationService>();
+
+			foreach (var module in modules)
+			{
+				services.AddSingleton(module);
+				module.RegisterServices(services, context.Configuration);
+			}
+
+			services.AddSingleton<PolyTraderSharp.Ui.ShellUiHost>();
+			services.AddTransient<PolyTraderSharp.Ui.LauncherForm>();
+		}).Build();
+
+		// State aus MySQL laden (Accounts/Trader/Settings), ohne die BackgroundServices zu starten.
+		try
+		{
+			host.Services.GetRequiredService<StartupHydrationService>()
+				.StartAsync(default).GetAwaiter().GetResult();
+		}
+		catch (Exception ex)
+		{
+			Console.WriteLine($"[WARN] Hydration übersprungen: {ex.Message}");
+		}
+
+		var uiHost = host.Services.GetRequiredService<PolyTraderSharp.Ui.ShellUiHost>();
+		foreach (var module in modules)
+			module.RegisterUi(uiHost, host.Services);
+
+		int failures = 0;
+		Console.WriteLine("=== Smoke-UI: View-Konstruktion ===");
+		foreach (var view in uiHost.Views)
+		{
+			try
+			{
+				using var form = view.CreateForm();
+				Console.WriteLine($"[OK] {view.Id}  ({view.Title})");
+			}
+			catch (Exception ex)
+			{
+				failures++;
+				Console.WriteLine($"[FEHLER] {view.Id}: {ex.GetType().Name}: {ex.Message}");
+			}
+		}
+
+		try
+		{
+			using var launcher = host.Services.GetRequiredService<PolyTraderSharp.Ui.LauncherForm>();
+			Console.WriteLine("[OK] LauncherForm konstruiert");
+		}
+		catch (Exception ex)
+		{
+			failures++;
+			Console.WriteLine($"[FEHLER] LauncherForm: {ex.GetType().Name}: {ex.Message}");
+		}
+
+		Console.WriteLine(failures == 0 ? "=== Smoke-UI OK ===" : $"=== Smoke-UI: {failures} Fehler ===");
+		return failures;
+	}
 }