diff --git a/Core/Modules/IModule.cs b/Core/Modules/IModule.cs
new file mode 100644
index 0000000..cbcdc9c
--- /dev/null
+++ b/Core/Modules/IModule.cs
@@ -0,0 +1,44 @@
+using IBKRTrader.Core.Workers;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace IBKRTrader.Core.Modules;
+
+/// <summary>
+/// Vertrag für ein eigenständiges Trading-Modul.
+///
+/// Architektur-Regel: Der Core kennt konkrete Module NICHT. Module hängen sich
+/// ausschließlich über diesen Vertrag und den DI-Container ein
+/// (Abhängigkeit nur Modul → Core, niemals umgekehrt).
+///
+/// Lebenszyklus:
+///   1. <see cref="RegisterServices"/>  – vor dem Bauen des DI-Containers
+///   2. <see cref="InitializeAsync"/>   – beim App-Start (Migrationen etc.)
+///   3. <see cref="GetWorkers"/>        – Worker werden der WorkerEngine übergeben
+///   4. <see cref="CreateWindow"/>      – Launcher öffnet das Modul-Fenster
+/// </summary>
+public interface IModule
+{
+    /// <summary>Eindeutiges Modul-Kürzel, zugleich DB-Tabellen-Präfix (z. B. "CT").</summary>
+    string Key { get; }
+
+    /// <summary>Anzeigename im Launcher (z. B. "Congress Trading").</summary>
+    string DisplayName { get; }
+
+    /// <summary>Kurzbeschreibung der Strategie für den Launcher.</summary>
+    string Description { get; }
+
+    /// <summary>Modul-Version.</summary>
+    string Version { get; }
+
+    /// <summary>Registriert alle Modul-Services im DI-Container (vor dem Build).</summary>
+    void RegisterServices(IServiceCollection services);
+
+    /// <summary>Führt Modul-Migrationen und einmalige Initialisierung aus (beim Start).</summary>
+    Task InitializeAsync(IServiceProvider provider);
+
+    /// <summary>Liefert die Worker/Services des Moduls für die WorkerEngine.</summary>
+    IEnumerable<IWorker> GetWorkers(IServiceProvider provider);
+
+    /// <summary>Erzeugt das eigenständige Fenster des Moduls (vom Launcher geöffnet).</summary>
+    Form CreateWindow(IServiceProvider provider);
+}
diff --git a/Core/Modules/ModuleRegistry.cs b/Core/Modules/ModuleRegistry.cs
new file mode 100644
index 0000000..df1ea50
--- /dev/null
+++ b/Core/Modules/ModuleRegistry.cs
@@ -0,0 +1,22 @@
+namespace IBKRTrader.Core.Modules;
+
+/// <summary>
+/// Zentrale Registry aller geladenen Module.
+/// Wird in Program.cs mit den Modul-Instanzen befüllt und als Singleton
+/// bereitgestellt, damit Launcher und Startup-Code über die Module iterieren
+/// können, ohne konkrete Modultypen zu kennen.
+/// </summary>
+public class ModuleRegistry
+{
+    private readonly List<IModule> _modules;
+
+    public ModuleRegistry(IEnumerable<IModule> modules)
+        => _modules = modules?.ToList() ?? throw new ArgumentNullException(nameof(modules));
+
+    /// <summary>Alle registrierten Module in Registrierungsreihenfolge.</summary>
+    public IReadOnlyList<IModule> Modules => _modules;
+
+    /// <summary>Findet ein Modul anhand seines Kürzels (case-insensitive) oder null.</summary>
+    public IModule? Find(string key)
+        => _modules.FirstOrDefault(m => string.Equals(m.Key, key, StringComparison.OrdinalIgnoreCase));
+}
diff --git a/Core/Workers/WorkerBase.cs b/Core/Workers/WorkerBase.cs
index 85d83bd..a8c8fc9 100644
--- a/Core/Workers/WorkerBase.cs
+++ b/Core/Workers/WorkerBase.cs
@@ -126,9 +126,9 @@ public abstract class WorkerBase : IWorker
 
         try
         {
-            logId = await Db.BeginWorkerLogAsync(Name, Module);
+            logId = await BeginRunLogAsync();
             await ExecuteAsync(ct);
-            await Db.EndWorkerLogAsync(logId, true);
+            await EndRunLogAsync(logId, true);
 
             Info.LastRuntime = DateTime.Now;
             Info.Status      = WorkerStatus.Idle;
@@ -137,20 +137,30 @@ public abstract class WorkerBase : IWorker
         catch (OperationCanceledException)
         {
             if (logId > 0)
-                await Db.EndWorkerLogAsync(logId, false, "Abgebrochen");
+                await EndRunLogAsync(logId, false, "Abgebrochen");
             Info.Status = WorkerStatus.Stopped;
             Info.Info   = "Abgebrochen";
         }
         catch (Exception ex)
         {
             if (logId > 0)
-                await Db.EndWorkerLogAsync(logId, false, ex.Message);
+                await EndRunLogAsync(logId, false, ex.Message);
             Logger.Error(Module, $"Fehler in Worker {Name}: {ex.Message}", ex);
             Info.Status = WorkerStatus.Error;
             Info.Info   = $"Fehler: {ex.Message}";
         }
     }
 
+    // ─── DB-Log-Seam (überschreibbar für Unit-Tests) ──────────────────────────
+
+    /// <summary>Legt den Worker-Log-Eintrag an. Kapselt den DB-Zugriff (testbar).</summary>
+    protected virtual Task<long> BeginRunLogAsync()
+        => Db.BeginWorkerLogAsync(Name, Module);
+
+    /// <summary>Schließt den Worker-Log-Eintrag ab. Kapselt den DB-Zugriff (testbar).</summary>
+    protected virtual Task EndRunLogAsync(long logId, bool success, string? message = null)
+        => Db.EndWorkerLogAsync(logId, success, message);
+
     // ─── Hilfsmethoden ────────────────────────────────────────────────────────
 
     private static string FormatInterval(TimeSpan ts)
diff --git a/Form1.cs b/Form1.cs
index 0466139..1786811 100644
--- a/Form1.cs
+++ b/Form1.cs
@@ -1,9 +1,10 @@
 using IBKRTrader.Core.Database.Migrations;
 using IBKRTrader.Core.Logging;
+using IBKRTrader.Core.Modules;
 using IBKRTrader.Core.Settings;
 using IBKRTrader.Core.Workers;
-using IBKRTrader.Modules.CongressTrading;
 using IBKRTrader.UI;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace IBKRTrader;
 
@@ -97,14 +98,18 @@ public partial class Form1 : Form
             _logger.Error("Core", "Core-Datenbankfehler beim Start.", ex);
         }
 
-        // Modul-Migrationen
-        try
+        // Modul-Migrationen: über die Registry iterieren (Core kennt kein Modul).
+        var registry = _services.GetRequiredService<ModuleRegistry>();
+        foreach (var module in registry.Modules)
         {
-            await CongressTradingModule.InitializeAsync(_services);
-        }
-        catch (Exception ex)
-        {
-            _logger.Error("CT", "CongressTrading-Migrationen fehlgeschlagen.", ex);
+            try
+            {
+                await module.InitializeAsync(_services);
+            }
+            catch (Exception ex)
+            {
+                _logger.Error(module.Key, $"{module.DisplayName}: Initialisierung fehlgeschlagen.", ex);
+            }
         }
 
         // Worker starten
diff --git a/IBKRTrader.Tests/IBKRTrader.Tests.csproj b/IBKRTrader.Tests/IBKRTrader.Tests.csproj
index 496d249..9a409df 100644
--- a/IBKRTrader.Tests/IBKRTrader.Tests.csproj
+++ b/IBKRTrader.Tests/IBKRTrader.Tests.csproj
@@ -23,6 +23,13 @@
     <ProjectReference Include="..\IBKRTrader.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <!-- Test-Fixture: gespeicherte capitoltrades.com-Seite (kein Netzzugriff im Test) -->
+    <Content Include="..\ct_raw.html" Link="Fixtures\ct_raw.html">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
   <ItemGroup>
     <Using Include="Xunit" />
   </ItemGroup>
diff --git a/IBKRTrader.Tests/Modules/CapitolTradesScraperTests.cs b/IBKRTrader.Tests/Modules/CapitolTradesScraperTests.cs
new file mode 100644
index 0000000..2997fb7
--- /dev/null
+++ b/IBKRTrader.Tests/Modules/CapitolTradesScraperTests.cs
@@ -0,0 +1,57 @@
+using FluentAssertions;
+using IBKRTrader.Core.Logging;
+using IBKRTrader.Modules.CongressTrading.Scraper;
+
+namespace IBKRTrader.Tests.Modules;
+
+[Trait("cat", "unit")]
+public class CapitolTradesScraperTests
+{
+    private static string LoadFixture()
+    {
+        var path = Path.Combine(AppContext.BaseDirectory, "Fixtures", "ct_raw.html");
+        File.Exists(path).Should().BeTrue($"Fixture fehlt: {path}");
+        return File.ReadAllText(path);
+    }
+
+    [Fact]
+    public void ParseTradesFromHtml_ExtractsTradesFromRscStream()
+    {
+        var scraper = new CapitolTradesScraper(new LoggingService());
+
+        var (trades, memberIds) = scraper.ParseTradesFromHtml(LoadFixture());
+
+        trades.Should().NotBeEmpty("die Fixture enthält einen RSC-Datenstrom mit Trades");
+        memberIds.Should().NotBeEmpty();
+
+        var first = trades[0];
+        first.TradeId.Should().NotBeNullOrWhiteSpace();
+        first.TradeType.Should().NotBeNullOrWhiteSpace();
+    }
+
+    [Fact]
+    public void ParseTradesFromHtml_MapsMemberSnapshotConsistently()
+    {
+        var scraper = new CapitolTradesScraper(new LoggingService());
+
+        var (trades, memberIds) = scraper.ParseTradesFromHtml(LoadFixture());
+
+        // Jeder Member-Snapshot muss eine BioId haben, die auch im MemberBioIds-Set liegt.
+        foreach (var trade in trades.Where(t => t.MemberSnapshot is not null))
+        {
+            trade.MemberSnapshot!.BioId.Should().NotBeNullOrWhiteSpace();
+            memberIds.Should().Contain(trade.MemberBioId);
+        }
+    }
+
+    [Fact]
+    public void ParseTradesFromHtml_EmptyHtml_ReturnsNoTrades()
+    {
+        var scraper = new CapitolTradesScraper(new LoggingService());
+
+        var (trades, memberIds) = scraper.ParseTradesFromHtml("<html><body>nichts</body></html>");
+
+        trades.Should().BeEmpty();
+        memberIds.Should().BeEmpty();
+    }
+}
diff --git a/IBKRTrader.Tests/Modules/CongressTradingModuleTests.cs b/IBKRTrader.Tests/Modules/CongressTradingModuleTests.cs
new file mode 100644
index 0000000..903a17a
--- /dev/null
+++ b/IBKRTrader.Tests/Modules/CongressTradingModuleTests.cs
@@ -0,0 +1,49 @@
+using FluentAssertions;
+using IBKRTrader.Modules.CongressTrading;
+using IBKRTrader.Modules.CongressTrading.Database;
+using IBKRTrader.Modules.CongressTrading.Scraper;
+using IBKRTrader.Modules.CongressTrading.Workers;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace IBKRTrader.Tests.Modules;
+
+[Trait("cat", "unit")]
+public class CongressTradingModuleTests
+{
+    [Fact]
+    public void Metadata_IsAsExpected()
+    {
+        var module = new CongressTradingModule();
+
+        module.Key.Should().Be("CT");
+        module.DisplayName.Should().NotBeNullOrWhiteSpace();
+        module.Version.Should().Be("1.0.0");
+    }
+
+    [Fact]
+    public void RegisterServices_RegistersAllModuleServices()
+    {
+        var services = new ServiceCollection();
+
+        new CongressTradingModule().RegisterServices(services);
+
+        var registered = services.Select(d => d.ServiceType).ToList();
+        registered.Should().Contain(new[]
+        {
+            typeof(CongressMigrations),
+            typeof(CongressRepository),
+            typeof(CapitolTradesScraper),
+            typeof(CongressHistoryImportWorker),
+            typeof(CongressScrapeWorker),
+        });
+    }
+
+    [Fact]
+    public void CreateWindow_ReturnsForm()
+    {
+        using var form = new CongressTradingModule().CreateWindow(new ServiceCollection().BuildServiceProvider());
+
+        form.Should().NotBeNull();
+        form.Text.Should().Contain("CT");
+    }
+}
diff --git a/IBKRTrader.Tests/Modules/ModuleRegistryTests.cs b/IBKRTrader.Tests/Modules/ModuleRegistryTests.cs
new file mode 100644
index 0000000..e53c085
--- /dev/null
+++ b/IBKRTrader.Tests/Modules/ModuleRegistryTests.cs
@@ -0,0 +1,49 @@
+using FluentAssertions;
+using IBKRTrader.Core.Modules;
+using IBKRTrader.Core.Workers;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace IBKRTrader.Tests.Modules;
+
+[Trait("cat", "unit")]
+public class ModuleRegistryTests
+{
+    private sealed class FakeModule(string key) : IModule
+    {
+        public string Key         => key;
+        public string DisplayName => $"Fake {key}";
+        public string Description => "test";
+        public string Version     => "0.0.1";
+
+        public void RegisterServices(IServiceCollection services) { }
+        public Task InitializeAsync(IServiceProvider provider) => Task.CompletedTask;
+        public IEnumerable<IWorker> GetWorkers(IServiceProvider provider) => [];
+        public Form CreateWindow(IServiceProvider provider) => new();
+    }
+
+    [Fact]
+    public void Modules_PreservesRegistrationOrder()
+    {
+        var registry = new ModuleRegistry([new FakeModule("A"), new FakeModule("B")]);
+
+        registry.Modules.Select(m => m.Key).Should().ContainInOrder("A", "B");
+    }
+
+    [Fact]
+    public void Find_IsCaseInsensitive()
+    {
+        var registry = new ModuleRegistry([new FakeModule("CT")]);
+
+        registry.Find("ct").Should().NotBeNull();
+        registry.Find("CT").Should().NotBeNull();
+        registry.Find("XX").Should().BeNull();
+    }
+
+    [Fact]
+    public void Ctor_NullModules_Throws()
+    {
+        var act = () => new ModuleRegistry(null!);
+
+        act.Should().Throw<ArgumentNullException>();
+    }
+}
diff --git a/IBKRTrader.Tests/Workers/WorkerBaseTests.cs b/IBKRTrader.Tests/Workers/WorkerBaseTests.cs
new file mode 100644
index 0000000..2234ffd
--- /dev/null
+++ b/IBKRTrader.Tests/Workers/WorkerBaseTests.cs
@@ -0,0 +1,121 @@
+using System.Diagnostics;
+using FluentAssertions;
+using IBKRTrader.Core.Database;
+using IBKRTrader.Core.Logging;
+using IBKRTrader.Core.Settings;
+using IBKRTrader.Core.Workers;
+
+namespace IBKRTrader.Tests.Workers;
+
+[Trait("cat", "unit")]
+public class WorkerBaseTests
+{
+    /// <summary>
+    /// Testbarer Worker: überschreibt den DB-Log-Seam (kein MySQL-Zugriff) und
+    /// zählt seine Läufe. Zustände werden per Polling geprüft, weil WorkerBase
+    /// Info.Status intern (und nach dem Log-Abschluss) setzt.
+    /// </summary>
+    private sealed class TestWorker : WorkerBase
+    {
+        private readonly TimeSpan? _interval;
+        private readonly Func<CancellationToken, Task> _body;
+
+        public int Runs;
+
+        public override string     Name   => "TestWorker";
+        public override string     Module => "TEST";
+        protected override TimeSpan? Interval => _interval;
+
+        public TestWorker(TimeSpan? interval, Func<CancellationToken, Task> body)
+            : base(new LoggingService(),
+                   new DatabaseService(new SettingsService(), new LoggingService()))
+        {
+            _interval = interval;
+            _body     = body;
+        }
+
+        protected override async Task ExecuteAsync(CancellationToken ct)
+        {
+            Interlocked.Increment(ref Runs);
+            await _body(ct);
+        }
+
+        // Seam überschreiben → kein DB-Zugriff. Positive Id, damit die End-Log-Aufrufe
+        // (in WorkerBase mit `logId > 0` geschützt) auch im Fehlerpfad laufen.
+        protected override Task<long> BeginRunLogAsync() => Task.FromResult(1L);
+        protected override Task EndRunLogAsync(long logId, bool success, string? message = null)
+            => Task.CompletedTask;
+    }
+
+    private static readonly TimeSpan Timeout = TimeSpan.FromSeconds(5);
+
+    private static async Task WaitUntilAsync(Func<bool> condition, string because)
+    {
+        var sw = Stopwatch.StartNew();
+        while (!condition())
+        {
+            if (sw.Elapsed > Timeout)
+                throw new TimeoutException($"Bedingung nicht innerhalb {Timeout.TotalSeconds}s erfüllt: {because}");
+            await Task.Delay(15);
+        }
+    }
+
+    [Fact]
+    public async Task RunsOnce_WhenIntervalIsNull_AndReportsIdle()
+    {
+        var worker = new TestWorker(interval: null, _ => Task.CompletedTask);
+
+        await worker.StartAsync(CancellationToken.None);
+        // Hinweis: WorkerBase startet bereits im Zustand Idle – deshalb auf den
+        // abgeschlossenen Lauf warten (Runs == 1 UND wieder Idle).
+        await WaitUntilAsync(
+            () => worker.Runs == 1 && worker.Info.Status == WorkerStatus.Idle,
+            "ein Lauf ist abgeschlossen und Status zurück auf Idle");
+
+        worker.Runs.Should().Be(1);
+
+        await worker.StopAsync();
+    }
+
+    [Fact]
+    public async Task Trigger_ForcesImmediateRun_BeforeIntervalElapses()
+    {
+        // Langes Intervall → ein zweiter Lauf kann nur durch Trigger entstehen.
+        var worker = new TestWorker(TimeSpan.FromMinutes(10), _ => Task.CompletedTask);
+
+        await worker.StartAsync(CancellationToken.None);
+        await WaitUntilAsync(() => worker.Runs == 1, "erster Lauf erfolgt");
+
+        await worker.TriggerAsync();
+        await WaitUntilAsync(() => worker.Runs == 2, "Trigger löst zweiten Lauf aus");
+
+        await worker.StopAsync();
+    }
+
+    [Fact]
+    public async Task Exception_SetsStatusError_AndCapturesMessage()
+    {
+        var worker = new TestWorker(interval: null,
+            _ => throw new InvalidOperationException("boom"));
+
+        await worker.StartAsync(CancellationToken.None);
+        await WaitUntilAsync(() => worker.Info.Status == WorkerStatus.Error, "Status wird Error");
+
+        worker.Runs.Should().Be(1);
+        worker.Info.Info.Should().Contain("boom");
+
+        await worker.StopAsync();
+    }
+
+    [Fact]
+    public async Task Stop_SetsStatusStopped()
+    {
+        var worker = new TestWorker(TimeSpan.FromMinutes(10), _ => Task.CompletedTask);
+
+        await worker.StartAsync(CancellationToken.None);
+        await WaitUntilAsync(() => worker.Runs == 1, "erster Lauf erfolgt");
+        await worker.StopAsync();
+
+        worker.Info.Status.Should().Be(WorkerStatus.Stopped);
+    }
+}
diff --git a/Modules/CongressTrading/CongressTradingModule.cs b/Modules/CongressTrading/CongressTradingModule.cs
index 44e006a..4dac160 100644
--- a/Modules/CongressTrading/CongressTradingModule.cs
+++ b/Modules/CongressTrading/CongressTradingModule.cs
@@ -1,3 +1,5 @@
+using System.Drawing;
+using IBKRTrader.Core.Modules;
 using IBKRTrader.Core.Workers;
 using IBKRTrader.Modules.CongressTrading.Database;
 using IBKRTrader.Modules.CongressTrading.Scraper;
@@ -7,18 +9,24 @@ using Microsoft.Extensions.DependencyInjection;
 namespace IBKRTrader.Modules.CongressTrading;
 
 /// <summary>
-/// Entry-Point des CongressTrading-Moduls.
-/// Registriert alle modulspezifischen Services in den DI-Container.
-/// 
-/// Architektur-Regel: Dieser Code wird von Program.cs aufgerufen.
-/// Der Core kennt dieses Modul NICHT – die Abhängigkeit geht nur von Modul → Core.
+/// CongressTrading-Modul: kopiert Aktien-Trades von US-Kongressmitgliedern
+/// (Quelle: capitoltrades.com).
+///
+/// Architektur-Regel: Dieses Modul hängt sich ausschließlich über den
+/// <see cref="IModule"/>-Vertrag ein. Der Core kennt dieses Modul NICHT –
+/// die Abhängigkeit geht nur von Modul → Core.
 /// </summary>
-public static class CongressTradingModule
+public sealed class CongressTradingModule : IModule
 {
     public const string ModuleKey = "CT";
 
+    public string Key         => ModuleKey;
+    public string DisplayName => "Congress Trading";
+    public string Description => "Kopiert Aktien-Trades von US-Kongressmitgliedern (capitoltrades.com).";
+    public string Version     => "1.0.0";
+
     /// <summary>Registriert alle Modul-Services im DI-Container.</summary>
-    public static void Register(IServiceCollection services)
+    public void RegisterServices(IServiceCollection services)
     {
         // Datenbank
         services.AddSingleton<CongressMigrations>();
@@ -32,24 +40,42 @@ public static class CongressTradingModule
         services.AddSingleton<CongressScrapeWorker>();
     }
 
-    /// <summary>
-    /// Führt die Modul-Migrationen aus und resettet ggf. den Fortschritt.
-    /// </summary>
-    public static async Task InitializeAsync(IServiceProvider provider)
+    /// <summary>Führt die Modul-Migrationen aus.</summary>
+    public async Task InitializeAsync(IServiceProvider provider)
     {
         var migrations = provider.GetRequiredService<CongressMigrations>();
         await migrations.RunAsync();
 
-        // Einmaliger Reset: löscht alle alten (fehlerhaften) Fortschritts-Daten
-        // damit der Import sauber von Seite 1 neu startet.
-        var repo = provider.GetRequiredService<CongressRepository>();
+        // Einmaliger Reset (deaktiviert): löscht alten Fortschritt für sauberen Neustart.
+        // var repo = provider.GetRequiredService<CongressRepository>();
         // await repo.ResetHistoryImportAsync();
     }
 
     /// <summary>Gibt die Modul-Worker für die WorkerEngine zurück.</summary>
-    public static IEnumerable<IWorker> GetWorkers(IServiceProvider provider) =>
+    public IEnumerable<IWorker> GetWorkers(IServiceProvider provider) =>
     [
         provider.GetRequiredService<CongressHistoryImportWorker>(),
         provider.GetRequiredService<CongressScrapeWorker>()
     ];
+
+    /// <summary>
+    /// Erzeugt das Modul-Fenster. Platzhalter – die vollständige UI folgt in Phase 2.
+    /// </summary>
+    public Form CreateWindow(IServiceProvider provider)
+    {
+        var form = new Form
+        {
+            Text          = $"{DisplayName} ({Key})",
+            Width         = 800,
+            Height        = 500,
+            StartPosition = FormStartPosition.CenterParent
+        };
+        form.Controls.Add(new Label
+        {
+            Dock      = DockStyle.Fill,
+            TextAlign = ContentAlignment.MiddleCenter,
+            Text      = $"{DisplayName}\n\nModul-UI folgt in Phase 2."
+        });
+        return form;
+    }
 }
diff --git a/Modules/CongressTrading/Scraper/CapitolTradesScraper.cs b/Modules/CongressTrading/Scraper/CapitolTradesScraper.cs
index 9a7dc73..6ac06b4 100644
--- a/Modules/CongressTrading/Scraper/CapitolTradesScraper.cs
+++ b/Modules/CongressTrading/Scraper/CapitolTradesScraper.cs
@@ -143,6 +143,16 @@ public class CapitolTradesScraper
         var url  = $"{BaseUrl}/trades?pageSize=96&page={page}";
         var html = await _http.GetStringAsync(url, ct);
 
+        return ParseTradesFromHtml(html, page);
+    }
+
+    /// <summary>
+    /// Reine Parse-Logik: extrahiert Trades aus dem HTML (RSC-Stream) einer Trades-Seite.
+    /// Kein Netzwerkzugriff – dadurch offline gegen gespeicherte Fixtures testbar.
+    /// </summary>
+    public (List<CongressTrade> Trades, HashSet<string> MemberBioIds)
+        ParseTradesFromHtml(string html, int page = 1)
+    {
         var trades    = new List<CongressTrade>();
         var memberIds = new HashSet<string>();
 
diff --git a/Program.cs b/Program.cs
index 8c1715b..adc3688 100644
--- a/Program.cs
+++ b/Program.cs
@@ -4,6 +4,7 @@ using IBKRTrader.Core.Database;
 using IBKRTrader.Core.Database.Migrations;
 using IBKRTrader.Core.IBKR;
 using IBKRTrader.Core.Logging;
+using IBKRTrader.Core.Modules;
 using IBKRTrader.Core.Settings;
 using IBKRTrader.Core.Trading;
 using IBKRTrader.Core.Workers;
@@ -53,7 +54,19 @@ internal static class Program
         services.AddSingleton<IBKRPriceHistoryWorker>();
 
         // ── Module registrieren ──────────────────────────────────────────────
-        CongressTradingModule.Register(services);
+        // Der Core kennt konkrete Module nicht: Module werden hier instanziiert,
+        // hängen ihre Services über IModule.RegisterServices ein und werden über
+        // die ModuleRegistry zugänglich gemacht.
+        IModule[] modules =
+        [
+            new CongressTradingModule(),
+        ];
+
+        foreach (var module in modules)
+            module.RegisterServices(services);
+
+        var moduleRegistry = new ModuleRegistry(modules);
+        services.AddSingleton(moduleRegistry);
 
         // ── IWorker-Sammlung: Core + Module ──────────────────────────────────
         services.AddSingleton<IEnumerable<IWorker>>(sp => new IWorker[]
@@ -67,7 +80,7 @@ internal static class Program
             sp.GetRequiredService<IBKRPriceHistoryWorker>(),
         }
         // Modul-Worker dynamisch anhängen
-        .Concat(CongressTradingModule.GetWorkers(sp))
+        .Concat(moduleRegistry.Modules.SelectMany(m => m.GetWorkers(sp)))
         .ToArray());
 
         services.AddSingleton<WorkerEngine>();
diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index be8ff0b..2a86768 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -101,12 +101,13 @@ WinForms selbst wird **nicht** unit-getestet – Logik in Services/Manager halte
 - [x] Repo-lokale `NuGet.config` (Test-Pakete in Allowlist ergänzt)
 - [x] Erster Smoke-Test grün (`dotnet test` → 2/2 bestanden)
 
-### Phase 1 – Modul-System formalisieren (Refactoring, kein Verhaltensänderung)
-- [ ] `Core/Modules/IModule.cs` (`Key`, `DisplayName`, `Description`, `Version`, `RegisterServices`, `InitializeAsync`, `GetWorkers`, `CreateWindow`)
-- [ ] `Core/Modules/ModuleRegistry.cs`
-- [ ] `CongressTradingModule` → `IModule`
-- [ ] `Program.cs` iteriert über Registry statt CongressTrading hart zu nennen
-- [ ] Tests: `ModuleRegistry`, `WorkerBase`, `CapitolTradesScraper` (gegen `ct_raw.html`)
+### Phase 1 – Modul-System formalisieren (Refactoring, kein Verhaltensänderung) ✅
+- [x] `Core/Modules/IModule.cs` (`Key`, `DisplayName`, `Description`, `Version`, `RegisterServices`, `InitializeAsync`, `GetWorkers`, `CreateWindow`)
+- [x] `Core/Modules/ModuleRegistry.cs`
+- [x] `CongressTradingModule` → `IModule` (instanzbasiert, + Platzhalter-`CreateWindow`)
+- [x] `Program.cs` iteriert über `IModule[]` + `ModuleRegistry`; `Form1` initialisiert Module über die Registry
+- [x] Testbarkeits-Seams: `WorkerBase.BeginRunLogAsync/EndRunLogAsync`, `CapitolTradesScraper.ParseTradesFromHtml`
+- [x] Tests: `ModuleRegistry`, `CongressTradingModule`, `WorkerBase`, `CapitolTradesScraper` (gegen `ct_raw.html`) → **15/15 grün**
 
 ### Phase 2 – Launcher-UI + Modul-Fenster
 - [ ] `Form1` → `LauncherForm`; Kern-Panels behalten (Workers, Logs, Settings, Core-Status)