remove redundant restAPI

playback is controlled by state machine

Jellyfin.Plugin.JellyLMS/Models/LmsPlaybackSession.cs

@@ -9,9 +9,14 @@ namespace Jellyfin.Plugin.JellyLMS.Models;
 public enum PlaybackState
 {
     /// <summary>
-    /// Playback is stopped.
+    /// Device connected, no media loaded.
     /// </summary>
-    Stopped,
+    Idle,
+
+    /// <summary>
+    /// Play command sent, waiting for LMS to confirm playback started.
+    /// </summary>
+    Loading,
 
     /// <summary>
     /// Playback is active.
@@ -21,7 +26,84 @@ public enum PlaybackState
     /// <summary>
     /// Playback is paused.
     /// </summary>
-    Paused
+    Paused,
+
+    /// <summary>
+    /// Position change in progress.
+    /// </summary>
+    Seeking,
+
+    /// <summary>
+    /// Playback failed with an error.
+    /// </summary>
+    Error,
+
+    /// <summary>
+    /// Playback has ended.
+    /// </summary>
+    Stopped
+}
+
+/// <summary>
+/// Types of playback errors.
+/// </summary>
+public enum PlaybackErrorType
+{
+    /// <summary>
+    /// No error.
+    /// </summary>
+    None,
+
+    /// <summary>
+    /// Operation timed out waiting for LMS response.
+    /// </summary>
+    Timeout,
+
+    /// <summary>
+    /// Network error communicating with LMS.
+    /// </summary>
+    NetworkError,
+
+    /// <summary>
+    /// LMS returned an error.
+    /// </summary>
+    LmsError,
+
+    /// <summary>
+    /// Error with the audio stream from Jellyfin.
+    /// </summary>
+    StreamError,
+
+    /// <summary>
+    /// Unknown error.
+    /// </summary>
+    Unknown
+}
+
+/// <summary>
+/// Contains details about a playback error.
+/// </summary>
+public class PlaybackErrorInfo
+{
+    /// <summary>
+    /// Gets or sets the type of error.
+    /// </summary>
+    public PlaybackErrorType ErrorType { get; set; }
+
+    /// <summary>
+    /// Gets or sets the error message.
+    /// </summary>
+    public string Message { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets when the error occurred.
+    /// </summary>
+    public DateTime OccurredAt { get; set; }
+
+    /// <summary>
+    /// Gets or sets the number of retry attempts made.
+    /// </summary>
+    public int RetryCount { get; set; }
 }
 
 /// <summary>
@@ -67,7 +149,12 @@ public class LmsPlaybackSession
     /// <summary>
     /// Gets or sets the current playback state.
     /// </summary>
-    public PlaybackState State { get; set; } = PlaybackState.Stopped;
+    public PlaybackState State { get; set; } = PlaybackState.Idle;
+
+    /// <summary>
+    /// Gets or sets the last error that occurred during playback.
+    /// </summary>
+    public PlaybackErrorInfo? LastError { get; set; }
 
     /// <summary>
     /// Gets or sets the current playback position in ticks.