Add iOS 27 remote media session and system player extension

MusicBridge/MusicBridgeApp.swift

@@ -4,6 +4,7 @@ import SwiftUI
 struct MusicBridgeApp: App {
     @StateObject private var store = PreviewSupport.makeStore()
     @StateObject private var liveActivity = LiveActivityManager()
+    @StateObject private var systemPlayer = SystemPlayerManager()
     @Environment(\.scenePhase) private var phase
 
     var body: some Scene {
@@ -20,13 +21,15 @@ struct MusicBridgeApp: App {
                         }.padding()
                     }
                 } else {
-                    ContentView(store: store, liveActivity: liveActivity)
+                    ContentView(store: store, liveActivity: liveActivity, systemPlayer: systemPlayer)
                 }
             }
                 .dynamicTypeSize(PreviewSupport.largeText ? DynamicTypeSize.accessibility2...DynamicTypeSize.accessibility2 : DynamicTypeSize.xSmall...DynamicTypeSize.accessibility5)
                 .onOpenURL { if $0.absoluteString != "musicbridge://player" { store.importInvitation($0.absoluteString) } }
                 .task {
                     store.liveActivity = liveActivity
+                    store.systemPlayer = systemPlayer
+                    if !PreviewSupport.enabled { await systemPlayer.restore(connection: store.connection) }
                     if !PreviewSupport.enabled { store.setActive(phase == .active) }
                 }
                 .onChange(of: phase) { _, value in if !PreviewSupport.enabled { store.setActive(value == .active) } }