feat: 서비스 삭제 API 구현 (#68)

- DeleteServiceRequestDto 생성 (service_code 필수)
- IServiceManagementService에 DeleteAsync 메서드 추가
- ServiceManagementService에 Soft Delete 로직 구현
  (IsDeleted=true, DeletedAt=UtcNow, Status=Suspended)
- ServiceController에 POST /v1/in/service/delete 엔드포인트 추가

Closes #68

SPMS.API/Controllers/ServiceController.cs

@@ -57,6 +57,21 @@ public class ServiceController : ControllerBase
         return Ok(ApiResponse<ServiceResponseDto>.Success(result));
     }
 
+    [HttpPost("delete")]
+    [SwaggerOperation(
+        Summary = "서비스 삭제",
+        Description = "서비스를 Soft Delete 처리합니다. IsDeleted=true, 상태를 Suspended로 변경합니다.")]
+    [SwaggerResponse(200, "삭제 성공", typeof(ApiResponse))]
+    [SwaggerResponse(401, "인증되지 않은 요청")]
+    [SwaggerResponse(403, "권한 없음")]
+    [SwaggerResponse(404, "서비스를 찾을 수 없음")]
+    [SwaggerResponse(409, "이미 삭제된 서비스")]
+    public async Task<IActionResult> DeleteAsync([FromBody] DeleteServiceRequestDto request)
+    {
+        await _serviceManagementService.DeleteAsync(request);
+        return Ok(ApiResponse.Success());
+    }
+
     [HttpPost("list")]
     [SwaggerOperation(
         Summary = "서비스 목록 조회",

SPMS.Application/DTOs/Service/DeleteServiceRequestDto.cs

@@ -0,0 +1,11 @@
+using System.ComponentModel.DataAnnotations;
+using System.Text.Json.Serialization;
+
+namespace SPMS.Application.DTOs.Service;
+
+public class DeleteServiceRequestDto
+{
+    [Required(ErrorMessage = "서비스 코드는 필수입니다.")]
+    [JsonPropertyName("service_code")]
+    public string ServiceCode { get; set; } = string.Empty;
+}

SPMS.Application/Interfaces/IServiceManagementService.cs

@@ -8,6 +8,7 @@ public interface IServiceManagementService
     Task<ServiceResponseDto> UpdateAsync(UpdateServiceRequestDto request);
     Task<ServiceListResponseDto> GetListAsync(ServiceListRequestDto request);
     Task<ServiceResponseDto> GetByServiceCodeAsync(string serviceCode);
+    Task DeleteAsync(DeleteServiceRequestDto request);
     Task<ServiceResponseDto> ChangeStatusAsync(string serviceCode, ChangeServiceStatusRequestDto request);
     Task<ApiKeyRefreshResponseDto> RefreshApiKeyAsync(string serviceCode);
     Task RegisterApnsCredentialsAsync(string serviceCode, ApnsCredentialsRequestDto request);

SPMS.Application/Services/ServiceManagementService.cs

@@ -233,6 +233,34 @@ public class ServiceManagementService : IServiceManagementService
         return MapToDto(serviceWithIps ?? service);
     }
 
+    public async Task DeleteAsync(DeleteServiceRequestDto request)
+    {
+        var service = await _serviceRepository.GetByServiceCodeAsync(request.ServiceCode);
+        if (service is null)
+        {
+            throw new SpmsException(
+                ErrorCodes.NotFound,
+                "서비스를 찾을 수 없습니다.",
+                404);
+        }
+
+        if (service.IsDeleted)
+        {
+            throw new SpmsException(
+                ErrorCodes.Conflict,
+                "이미 삭제된 서비스입니다.",
+                409);
+        }
+
+        service.IsDeleted = true;
+        service.DeletedAt = DateTime.UtcNow;
+        service.Status = ServiceStatus.Suspended;
+        service.UpdatedAt = DateTime.UtcNow;
+
+        _serviceRepository.Update(service);
+        await _unitOfWork.SaveChangesAsync();
+    }
+
     public async Task<ServiceResponseDto> ChangeStatusAsync(string serviceCode, ChangeServiceStatusRequestDto request)
     {
         var service = await _serviceRepository.GetByServiceCodeAsync(serviceCode);