refactor: removed unused interfaces

LctMonolith/Services/InventoryService.cs

@@ -1,35 +0,0 @@
-using LctMonolith.Database.UnitOfWork;
-using LctMonolith.Models.Database;
-using LctMonolith.Services.Contracts;
-using Microsoft.EntityFrameworkCore;
-
-namespace LctMonolith.Services;
-
-/// <summary>
-/// Provides read-only access to user-owned inventory (store items and artifacts).
-/// </summary>
-public class InventoryService : IInventoryService
-{
-    private readonly IUnitOfWork _uow;
-
-    public InventoryService(IUnitOfWork uow)
-    {
-        _uow = uow;
-    }
-
-    public async Task<IEnumerable<UserInventoryItem>> GetStoreInventoryAsync(Guid userId, CancellationToken ct = default)
-    {
-        return await _uow.UserInventoryItems
-            .Query(ii => ii.UserId == userId, null, ii => ii.StoreItem)
-            .OrderByDescending(i => i.AcquiredAt)
-            .ToListAsync(ct);
-    }
-
-    public async Task<IEnumerable<UserArtifact>> GetArtifactsAsync(Guid userId, CancellationToken ct = default)
-    {
-        return await _uow.UserArtifacts
-            .Query(a => a.UserId == userId, null, a => a.Artifact)
-            .OrderByDescending(a => a.ObtainedAt)
-            .ToListAsync(ct);
-    }
-}