refactor(dotnet): move collection schema init to service

src/dotnet/QuantEngine.Web/Program.cs

@@ -111,6 +111,7 @@ try
     builder.Services.AddScoped<ICollectionRepository>(sp => sp.GetRequiredService<CollectionRepository>());
     builder.Services.AddScoped<ICollectionReadRepository>(sp => sp.GetRequiredService<CollectionRepository>());
     builder.Services.AddScoped<ICollectionWriteRepository>(sp => sp.GetRequiredService<CollectionRepository>());
+    builder.Services.AddSingleton<ICollectionSchemaInitializer, CollectionSchemaInitializer>();
     builder.Services.AddScoped<ICollectionReadModelService, CollectionReadModelService>();
     builder.Services.AddSingleton<IRuntimeAuditTrailService, RuntimeAuditTrailService>();
     builder.Services.AddScoped<ITokenCache, PostgresTokenCache>();
@@ -151,10 +152,12 @@ try
         var migrator = scope.ServiceProvider.GetRequiredService<DbMigrator>();
         var workspaceRepo = scope.ServiceProvider.GetRequiredService<IWorkspaceRepository>();
         var collectionRepo = scope.ServiceProvider.GetRequiredService<ICollectionRepository>();
+        var collectionSchemaInitializer = scope.ServiceProvider.GetRequiredService<ICollectionSchemaInitializer>();
         var tokenCache = scope.ServiceProvider.GetRequiredService<ITokenCache>();
 
         try
         {
+            await collectionSchemaInitializer.InitializeAsync();
             migrator.Migrate();
             await workspaceRepo.GetAccountsAsync();
             await collectionRepo.GetDashboardStateAsync();