Make release Medium writable via upload + meta-edit; resolve detail-page track by releaseId not album title

DeepDrftPublic.Client/ViewModels/ReleaseDetailViewModel.cs

@@ -6,7 +6,7 @@ namespace DeepDrftPublic.Client.ViewModels;
 /// <summary>
 /// State for a single-release detail page (Session, Mix). Loads the release and resolves its
 /// 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 album title — for
+/// 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).
 /// </summary>
@@ -53,11 +53,12 @@ public class ReleaseDetailViewModel
 
             Release = release;
 
-            // Resolve the playable track via the album-filtered track page. Session/Mix releases
-            // carry a single track; take the first. A release with no streamable track simply
+            // Resolve the playable track via the releaseId-filtered track page — an exact join, not a
+            // title string (which collides across same-titled releases and breaks on rename). Session/Mix
+            // releases carry a single track; take the first. A release with no streamable track simply
             // leaves Track null (the detail page hides the play affordance).
             var trackResult = await _trackData.GetPage(
-                pageNumber: 1, pageSize: 1, album: release.Title);
+                pageNumber: 1, pageSize: 1, releaseId: release.Id);
             if (trackResult is { Success: true, Value: { Items: { } items } })
                 Track = items.FirstOrDefault();
         }