Flip ITrackService/TrackManager to DTO output; TrackConverter is the sole entity<->DTO path across all consumers

DeepDrftData/ITrackService.cs

@@ -1,15 +1,20 @@
-using DeepDrftModels.Entities;
+using DeepDrftModels.DTOs;
 using Models.Common;
 using NetBlocks.Models;
 
 namespace DeepDrftData;
 
+/// <summary>
+/// SQL-side track service. Repository outputs entities; this service outputs DTOs via
+/// TrackConverter. In-process consumers (UnifiedTrackService, CLI, DeepDrftPublic) all
+/// receive DTOs.
+/// </summary>
 public interface ITrackService
 {
-    Task<ResultContainer<TrackEntity?>> GetById(long id);
-    Task<ResultContainer<List<TrackEntity>>> GetAll();
-    Task<ResultContainer<PagedResult<TrackEntity>>> GetPaged(int pageNumber, int pageSize, string? sortColumn, bool sortDescending, CancellationToken cancellationToken = default);
-    Task<ResultContainer<TrackEntity>> Create(TrackEntity newTrack);
-    Task<ResultContainer<TrackEntity>> Update(TrackEntity track);
+    Task<ResultContainer<TrackDto?>> GetById(long id);
+    Task<ResultContainer<List<TrackDto>>> GetAll();
+    Task<ResultContainer<PagedResult<TrackDto>>> GetPaged(int pageNumber, int pageSize, string? sortColumn, bool sortDescending, CancellationToken cancellationToken = default);
+    Task<ResultContainer<TrackDto>> Create(TrackDto newTrack);
+    Task<ResultContainer<TrackDto>> Update(TrackDto track);
     Task<Result> Delete(long id);
 }