Front End Work

- Redesign component wiring for audio playback
 - Removed playback logic from the player control and moved it to injectable audio player engine service
 - Chunked/buffered stream loading from Content API passed to Web Audio API playback in 8K blocks

DeepDrftWeb.Client/Controls/TrackCard.razor.cs

@@ -9,16 +9,15 @@ public partial class TrackCard : ComponentBase
 {
     [Parameter] public required TrackEntity TrackModel { get; set; }
     [Parameter] public EventCallback<TrackEntity> OnPlay { get; set; }
+    [Parameter] public bool IsPlaying { get; set; } = false;
     
-    private bool _isPlaying = false;
-    private string PlayPauseIcon => _isPlaying ? Icons.Material.Filled.MusicNote : Icons.Material.Filled.PlayArrow;
+    private string PlayPauseIcon => IsPlaying ? Icons.Material.Filled.MusicNote : Icons.Material.Filled.PlayArrow;
 
     private async Task PlayClick()
     {
-        if (!_isPlaying)
+        if (!IsPlaying && OnPlay.HasDelegate)
         {
-            _isPlaying = true;
-            await OnPlay.InvokeAsync();
+            await OnPlay.InvokeAsync(TrackModel);
         }
     }
 }