@

R3 Slice 1: EF-Core-Infrastruktur im Core + InitialCore-Migration

- Pomelo.EntityFrameworkCore.MySql 8.0.3 + EF Core Design 8.0.11 (Core), NuGet-Allowlist erweitert
- Configuration/DatabaseOptions + DatabaseServerVersion (MariaDB 11.8.6 gepinnt)
- Persistence/Entities: CorePosition, CoreTrade, CoreBudget, CoreWorkerLog, CoreSetting
- Persistence/Ef/CoreDbContext (core_-Tabellen) + Design-Time-Factory (env IBKRTRADER_MYSQL)
- DependencyInjection/AddCorePersistence (AddDbContextFactory), in Program verdrahtet
  (Connection aus appsettings.Local.json)
- EF-Migration InitialCore erzeugt (5 core_-Tabellen)
- Consumer noch auf Dapper (folgt in Slice 2); Build + 30/30 Tests + smoke-ui gruen

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Program.cs

@@ -1,7 +1,9 @@
 using IBKRTrader.Core.AI;
 using IBKRTrader.Core.Budget;
+using IBKRTrader.Core.Configuration;
 using IBKRTrader.Core.Database;
 using IBKRTrader.Core.Database.Migrations;
+using IBKRTrader.Core.DependencyInjection;
 using IBKRTrader.Core.IBKR;
 using IBKRTrader.Core.Logging;
 using IBKRTrader.Core.Modularity;
@@ -49,7 +51,7 @@ internal static class Program
                 config.AddJsonFile("appsettings.Local.json", optional: true, reloadOnChange: false))
             .ConfigureServices((context, services) =>
             {
-                RegisterCoreServices(services);
+                RegisterCoreServices(services, context.Configuration);
                 foreach (var module in modules)
                 {
                     services.AddSingleton(module);
@@ -77,8 +79,14 @@ internal static class Program
     }
 
     /// <summary>Registriert alle Core-Services im DI-Container.</summary>
-    private static void RegisterCoreServices(IServiceCollection services)
+    private static void RegisterCoreServices(IServiceCollection services, IConfiguration configuration)
     {
+        // EF-Core-Persistenz (Connection aus appsettings.Local.json).
+        services.AddCorePersistence(new DatabaseOptions
+        {
+            MySqlConnectionString = configuration["Database:MySqlConnectionString"] ?? string.Empty
+        });
+
         // Settings zuerst laden (eine Quelle, als Singleton weitergereicht).
         var settingsService = new SettingsService();
         settingsService.Load();
@@ -194,7 +202,7 @@ internal static class Program
                 config.AddJsonFile("appsettings.Local.json", optional: true, reloadOnChange: false))
             .ConfigureServices((context, services) =>
             {
-                RegisterCoreServices(services);
+                RegisterCoreServices(services, context.Configuration);
                 foreach (var module in modules)
                 {
                     services.AddSingleton(module);