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

DeepDrftModels/DTOs/TrackFilter.cs

@@ -16,6 +16,12 @@ public class TrackFilter
     /// <summary>Exact genre match.</summary>
     public string? Genre { get; set; }
 
+    /// <summary>
+    /// Exact release-id match. The authoritative join from a release to its tracks — preferred over
+    /// <see cref="Album"/> (a title string that collides across same-titled releases and breaks on rename).
+    /// </summary>
+    public long? ReleaseId { get; set; }
+
     /// <summary>
     /// True when no predicate is set. An empty filter must produce identical results to a null
     /// filter, so callers collapse it to null before querying.
@@ -23,5 +29,6 @@ public class TrackFilter
     public bool IsEmpty =>
         string.IsNullOrWhiteSpace(SearchText)
         && string.IsNullOrWhiteSpace(Album)
-        && string.IsNullOrWhiteSpace(Genre);
+        && string.IsNullOrWhiteSpace(Genre)
+        && ReleaseId is null;
 }