feature: Embed Frame Player

DeepDrftData/TrackManager.cs

@@ -46,6 +46,22 @@ public class TrackManager
         }
     }
 
+    // Lookup by vault entry key. No base-name conflict (unlike GetById), so this is a plain
+    // public method. Mirrors the nullable-on-miss shape of ITrackService.GetById.
+    public async Task<ResultContainer<TrackDto?>> GetByEntryKey(string entryKey)
+    {
+        try
+        {
+            var entity = await Repository.GetByEntryKeyAsync(entryKey);
+            return ResultContainer<TrackDto?>.CreatePassResult(
+                entity is null ? null : TrackConverter.Convert(entity));
+        }
+        catch (Exception e)
+        {
+            return ResultContainer<TrackDto?>.CreateFailResult(e.Message);
+        }
+    }
+
     public async Task<ResultContainer<List<TrackDto>>> GetAll()
     {
         try