feat: add mute and unmute functionality to player service; update CompactPlayer and Player components to utilize new methods

src/lib/api/services/player.ts

@@ -27,6 +27,7 @@ export interface PlayerState {
   status: PlayerStatus
   mode: PlayerMode
   volume: number
+  previous_volume: number
   position: number
   duration?: number
   index?: number
@@ -107,6 +108,20 @@ export class PlayerService {
     return apiClient.post<MessageResponse>('/api/v1/player/volume', { volume })
   }
 
+  /**
+   * Mute playback
+   */
+  async mute(): Promise<MessageResponse> {
+    return apiClient.post<MessageResponse>('/api/v1/player/mute')
+  }
+
+  /**
+   * Unmute playback
+   */
+  async unmute(): Promise<MessageResponse> {
+    return apiClient.post<MessageResponse>('/api/v1/player/unmute')
+  }
+
   /**
    * Set playback mode
    */