feat(dotnet): 파이썬 공식 계산 엔진 C# 포팅 및 .NET 인프라 기반 결함(WBS-10.1) 해결

src/dotnet/QuantEngine.Application/Services/ApprovalService.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using QuantEngine.Core.Interfaces;
+using QuantEngine.Core.Models;
+
+namespace QuantEngine.Application.Services
+{
+    public class ApprovalService
+    {
+        private readonly IWorkspaceRepository _repository;
+
+        public ApprovalService(IWorkspaceRepository repository)
+        {
+            _repository = repository;
+        }
+
+        public Task<IEnumerable<WorkspaceApproval>> GetApprovalsAsync() => _repository.GetApprovalsAsync();
+        public Task<WorkspaceApproval?> GetApprovalAsync(string domain, string targetRef) => _repository.GetApprovalAsync(domain, targetRef);
+        public Task<bool> UpsertApprovalAsync(WorkspaceApproval approval) => _repository.UpsertApprovalAsync(approval);
+
+        public Task<IEnumerable<WorkspaceLock>> GetLocksAsync() => _repository.GetLocksAsync();
+        public Task<WorkspaceLock?> GetLockAsync(string domain, string targetRef) => _repository.GetLockAsync(domain, targetRef);
+        public Task<bool> AcquireLockAsync(WorkspaceLock @lock) => _repository.AcquireLockAsync(@lock);
+        public Task<bool> ReleaseLockAsync(string domain, string targetRef) => _repository.ReleaseLockAsync(domain, targetRef);
+    }
+}