feat: Stream Now instant-play of a random track from the nav button

DeepDrftPublic.Client/Services/IPlayerService.cs

@@ -63,6 +63,17 @@ public interface IStreamingPlayerService : IPlayerService
     // Streaming control methods
     Task SelectTrackStreaming(TrackDto track);
 
+    /// <summary>
+    /// Initializes the player (if needed) and resumes the AudioContext. Call this synchronously at
+    /// the very start of a user-gesture handler — before any <c>await</c> on network I/O — so the
+    /// gesture is still "active" when the context resumes. Safari refuses to start a suspended
+    /// AudioContext once the originating gesture has been consumed by an intervening await
+    /// (e.g. fetching which track to play), so warming here and streaming after is load-bearing.
+    /// <see cref="SelectTrackStreaming"/> also resumes the context, but only after its own internal
+    /// awaits — too late for a handler that must first fetch the track to play.
+    /// </summary>
+    Task WarmAudioContext();
+
     /// <summary>
     /// Stages a track as the current track without touching the audio context or starting the
     /// stream. Used by the embed player, where there is no user gesture on initial load: the track