fix compile errors

Author: corstian

samples/ConsoleSample/Domain/AddItemService.cs

@@ -15,8 +15,7 @@ public Task<IServiceResult> Invoke(IServiceHandlerContext context, AddItemServic
         var todoItem = Guid.NewGuid();
 
         return Task.FromResult(
-            Service
-                .Ok()
+            new Service()
                 .Stage(
                     todoItem, 
                     new CreateTodoItem("do a thing"))

samples/ConsoleSample/Domain/TodoItem/TodoItemAggregate.cs

@@ -17,8 +17,7 @@ public class CreateTodoItemHandler : ICommandHandler<TodoItemAggregate, CreateTo
 {
     public ICommandResult Evaluate(ICommandHandlerContext<TodoItemAggregate> context, CreateTodoItem command)
     {
-        return Command
-            .Ok()
+        return new Command()
             .Stage((new TodoItemCreated(command.item)))
             .Invoke(new SetCompletion(false));
     }
@@ -28,7 +27,7 @@ public class SetCompletionHandler : ICommandHandler<TodoItemAggregate, SetComple
 {
     public ICommandResult Evaluate(ICommandHandlerContext<TodoItemAggregate> context, SetCompletion command)
     {
-        return Command.Ok().Stage(new CompletionSet(command.completed));
+        return new Command().Stage(new CompletionSet(command.completed));
     }
 }
 
@@ -51,4 +50,4 @@ public TodoItemAggregate Apply(IEventHandlerContext<TodoItemAggregate> context,
         {
             Completed = @event.completed
         };
-}
+}

samples/ConsoleSample/Domain/TodoItemAddedSaga.cs

@@ -8,8 +8,6 @@ namespace ConsoleSample.Domain;
 
 public class TodoItemAddedSaga : ISaga<TodoItemCreated>
 {
-    public async Task<ISagaResult> Evaluate(ISagaContext context, TodoItemCreated @event)
-    {
-        return Saga.Ok().Invoke(new NestedService());
-    }
+    public async Task<ISagaResult> Evaluate(ISagaContext context, TodoItemCreated @event) 
+        => new Saga().Invoke(new NestedService());
 }

samples/ConsoleSample/Domain/TodoList/Commands/AddItem.cs

@@ -11,5 +11,5 @@ public class AddItemHandler : ICommandHandler<TodoListAggregate, AddItem>
 {
     public ICommandResult Evaluate(ICommandHandlerContext<TodoListAggregate> context,
         AddItem command) =>
-        Command.Ok().Stage(new ItemAdded(command.id));
+        new Command().Stage(new ItemAdded(command.id));
 }