refactor(public): retire track-cardinal stack, fold Archive/Cuts cards into ReleaseGallery (P11 W3 §4)

DeepDrftPublic.Client/ViewModels/ReleaseDetailViewModel.cs

@@ -8,7 +8,7 @@ namespace DeepDrftPublic.Client.ViewModels;
 /// playable track. The release read surface exposes no track entry directly, so the playable track
 /// is resolved through the existing track gallery filtered by the release's id (an exact join) — for
 /// Session/Mix that yields the single track. Scoped; reset every flag per <see cref="Load"/> so a
-/// reused instance never bleeds across navigations (mirrors TrackDetailViewModel).
+/// reused instance never bleeds across navigations.
 /// </summary>
 public class ReleaseDetailViewModel
 {

DeepDrftPublic.Client/ViewModels/TrackDetailViewModel.cs

@@ -1,45 +0,0 @@
-using DeepDrftModels.DTOs;
-using DeepDrftPublic.Client.Services;
-
-namespace DeepDrftPublic.Client.ViewModels;
-
-public class TrackDetailViewModel
-{
-    public ITrackDataService TrackData { get; }
-
-    public TrackDto? Track { get; set; }
-    public bool IsLoading { get; set; } = true;
-    public bool NotFound { get; set; }
-
-    public TrackDetailViewModel(ITrackDataService trackData)
-    {
-        TrackData = trackData;
-    }
-
-    public async Task Load(string entryKey)
-    {
-        // Idempotent across navigations: the scoped instance may be reused, so reset
-        // every flag before the fetch rather than relying on construction defaults.
-        IsLoading = true;
-        NotFound = false;
-        Track = null;
-
-        try
-        {
-            var result = await TrackData.GetTrack(entryKey);
-
-            if (result.Success && result.Value is not null)
-            {
-                Track = result.Value;
-            }
-            else
-            {
-                NotFound = true;
-            }
-        }
-        finally
-        {
-            IsLoading = false;
-        }
-    }
-}

DeepDrftPublic.Client/ViewModels/TracksViewModel.cs

@@ -1,45 +0,0 @@
-using DeepDrftModels.DTOs;
-using DeepDrftPublic.Client.Services;
-using Models.Common;
-
-namespace DeepDrftPublic.Client.ViewModels;
-
-public class TracksViewModel
-{
-    public ITrackDataService TrackData { get; }
-
-    public int PageNumber { get; set; } = 1;
-
-    public int PageSize
-    {
-        get => Page?.PageSize ?? 15;
-        set
-        {
-            if (Page == null) return;
-            if (value != Page.PageSize)
-            {
-                Page.PageSize = value;
-            }
-        }
-    }
-    public string SortBy { get; set; } = string.Empty;
-    public bool IsDescending { get; set; } = false;
-    public PagedResult<TrackDto>? Page { get; set; } = null;
-
-    // Active gallery filters. Null/empty means "no filter on this dimension". SearchText is the
-    // free-text query; FilterAlbum/FilterGenre are exact-match pills driven by the /albums and
-    // /genres pages via query-string navigation.
-    public string? SearchText { get; set; }
-    public string? FilterAlbum { get; set; }
-    public string? FilterGenre { get; set; }
-
-    public bool HasActiveFilter =>
-        !string.IsNullOrWhiteSpace(SearchText)
-        || !string.IsNullOrWhiteSpace(FilterAlbum)
-        || !string.IsNullOrWhiteSpace(FilterGenre);
-
-    public TracksViewModel(ITrackDataService trackData)
-    {
-        TrackData = trackData;
-    }
-}