Add project files.

Core.Blueprint.Service.UseCases/CreateSampleImage/Adapter/CreateSampleImagePort.cs

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+using Core.Blueprint.Service.Domain.Entities;
+using Core.Blueprint.Service.UseCases.CreateSampleImage.Ports;
+using Lib.Architecture.BuildingBlocks;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Core.Blueprint.Service.UseCases.CreateSampleImage.Adapter
+{
+    public class CreateSampleImagePort : BasePresenter, ICreateSampleImagePort
+    {
+        public void Success(SqlSampleItemEntity output)
+        {
+            ViewModel = new OkObjectResult(output);
+        }
+    }
+}

Core.Blueprint.Service.UseCases/CreateSampleImage/CreateSampleItemHandler.cs

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+using Core.Blueprint.Service.Domain.Entities;
+using Core.Blueprint.Service.External.Clients.SampleItemClient;
+using Core.Blueprint.Service.UseCases.CreateSampleItem.Input;
+using Core.Blueprint.Service.UseCases.CreateSampleItem.Ports;
+using FluentValidation;
+using Lib.Architecture.BuildingBlocks;
+
+namespace Core.Blueprint.Service.UseCases.CreateSampleImage
+{
+    public class CreateSampleItemHandler(ICreateSampleItemPort port, IValidator<CreateSampleItemRequest> validator, ISampleItemClientService clientService) : IComponentHandler<CreateSampleItemRequest>
+    {
+        private readonly ICreateSampleItemPort _port = port;
+        private readonly IValidator<CreateSampleItemRequest> _validator = validator;
+        private readonly ISampleItemClientService _clientService = clientService;
+
+        public async ValueTask ExecuteAsync(CreateSampleItemRequest command, CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                if (!command.IsValid(_validator))
+                {
+                    _port.ValidationErrors(command.Notifications);
+                    return;
+                }
+
+                var result = await _clientService.CreateSampleItemAsync(
+                    new SqlSampleItemEntity { TestName = command.TestName, NumValue = command.NumValue });
+
+                if (result == null)
+                {
+                    _port.NoContentSuccess();
+                    return;
+                }
+
+                _port.Success(result);
+            }
+            catch(Exception ex)
+            {
+                _port.BusinessError(ex.Message);
+            }
+
+        }
+    }
+}

Core.Blueprint.Service.UseCases/CreateSampleImage/Input/CreateSampleImageRequest.cs

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+using Lib.Architecture.BuildingBlocks;
+
+namespace Core.Blueprint.Service.UseCases.CreateSampleImage.Input
+{
+    public class CreateSampleImageRequest : Notificator, ICommand
+    {
+        public Guid? Id;
+        public byte[] NumValue { get; set; } = [];
+        public bool Validate()
+        {
+            return true;
+        }
+    }
+}

Core.Blueprint.Service.UseCases/CreateSampleImage/Ports/ICreateSampleImagePort.cs

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+using Core.Blueprint.Service.Domain.Entities;
+using Lib.Architecture.BuildingBlocks;
+
+namespace Core.Blueprint.Service.UseCases.CreateSampleImage.Ports
+{
+    public interface ICreateSampleImagePort : IBasePort, ICommandSuccessPort<SqlSampleItemEntity>, INoContentPort, IBusinessErrorPort, ITimeoutPort, IValidationErrorPort
+    {
+    }
+}

Core.Blueprint.Service.UseCases/CreateSampleImage/Validator/CreateSampleImageValidator.cs

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+using Core.Blueprint.Service.UseCases.CreateSampleItem.Input;
+using FluentValidation;
+using System.Diagnostics.CodeAnalysis;
+
+namespace Core.Blueprint.Service.UseCases.CreateSampleImage.Validator
+{
+    [ExcludeFromCodeCoverage]
+    public class CreateSampleImageValidator : AbstractValidator<CreateSampleItemRequest>
+    {
+        public CreateSampleImageValidator()
+        {
+            
+        }
+    }
+}