feat(remote): add network status banners, disable write actions in remote mode

Music/ContentView.swift

@@ -26,6 +26,35 @@ struct ContentView: View {
 
     var body: some View {
         VStack(spacing: 0) {
+            if let status = networkStatus {
+                switch status.mode {
+                case .remote(let hostName):
+                    HStack(spacing: 8) {
+                        Image(systemName: "antenna.radiowaves.left.and.right")
+                            .font(.system(size: 10)).foregroundStyle(.blue)
+                        Text("Connected to \(hostName)")
+                            .font(.system(size: 11, weight: .medium)).foregroundStyle(.blue)
+                        Spacer()
+                        Button("Refresh") { status.onRefreshLibrary?() }
+                            .font(.system(size: 11)).buttonStyle(.plain).foregroundStyle(.secondary)
+                        Button("Disconnect") { status.onDisconnect?() }
+                            .font(.system(size: 11)).buttonStyle(.plain).foregroundStyle(.red)
+                    }
+                    .padding(.horizontal, 12).padding(.vertical, 4)
+                    .background(Color.blue.opacity(0.08))
+                case .hosting(let remoteName):
+                    HStack(spacing: 8) {
+                        Image(systemName: "antenna.radiowaves.left.and.right")
+                            .font(.system(size: 10)).foregroundStyle(.green)
+                        Text(remoteName != nil ? "Hosting · \(remoteName!) connected" : "Hosting")
+                            .font(.system(size: 11, weight: .medium)).foregroundStyle(.green)
+                        Spacer()
+                    }
+                    .padding(.horizontal, 12).padding(.vertical, 4)
+                    .background(Color.green.opacity(0.08))
+                }
+            }
+
             SearchBarView(
                 searchText: $searchText,
                 trackCount: playlist.selectedItem != nil ? playlist.playlistTracks.count : library.trackCount,
@@ -152,6 +181,7 @@ struct ContentView: View {
                 playlists: playlist.allPlaylists,
                 selectedItem: showHome ? nil : playlist.selectedItem,
                 isHomeSelected: showHome,
+                isRemoteMode: networkStatus?.isRemoteMode ?? false,
                 onHomeSelect: {
                     if showHome {
                         showHome = false

Music/Views/PlaylistBarView.swift

@@ -4,6 +4,7 @@ struct PlaylistBarView: View {
     var playlists: [any PlaylistRepresentable]
     var selectedItem: (any PlaylistRepresentable)?
     var isHomeSelected: Bool
+    var isRemoteMode: Bool = false
     var onHomeSelect: () -> Void
     var onSelect: (any PlaylistRepresentable) -> Void
     var onDeselect: () -> Void
@@ -35,6 +36,7 @@ struct PlaylistBarView: View {
                     }
                 )
                 .contextMenu {
+                    if !isRemoteMode {
                         Button("Rename...") { onRename(item) }
                         if let smart = item as? SmartPlaylist {
                             Button("Edit Search Query...") { onEditQuery(smart) }
@@ -43,6 +45,7 @@ struct PlaylistBarView: View {
                     }
                 }
             }
+        }
         .padding(.horizontal, 12)
         .padding(.vertical, 6)
     }