feat: hardening, error states, interruption handling, a11y (Phase 8)

Sources/Features/Media/MediaPanelView.swift

@@ -18,6 +18,14 @@ struct MediaPanelView: View {
     var body: some View {
         ScrollView {
             VStack(spacing: 20) {
+                if let stateError = playerController.stateError {
+                    Label(stateError, systemImage: "wifi.exclamationmark")
+                        .font(.subheadline)
+                        .foregroundStyle(.red)
+                        .frame(maxWidth: .infinity, alignment: .leading)
+                        .padding(12)
+                        .background(Color.red.opacity(0.1), in: RoundedRectangle(cornerRadius: 14))
+                }
                 nowPlayingCard
                 transportControls
                 seekSection
@@ -103,6 +111,7 @@ struct MediaPanelView: View {
                 Image(systemName: "gobackward.10")
                     .font(.title3)
             }
+            .accessibilityLabel("Seek back 10 seconds")
             .disabled(playerController.track == nil)
 
             Button(action: togglePlayPause) {
@@ -110,18 +119,21 @@ struct MediaPanelView: View {
                     .font(.system(size: 44))
                     .foregroundStyle(playerController.track == nil ? Color.secondary : Color.accentColor)
             }
+            .accessibilityLabel(playerController.desired == "playing" && playerController.track != nil ? "Pause" : "Play")
             .disabled(playerController.track == nil)
 
             Button(action: seekForward) {
                 Image(systemName: "goforward.10")
                     .font(.title3)
             }
+            .accessibilityLabel("Seek forward 10 seconds")
             .disabled(playerController.track == nil)
 
             Button(role: .destructive, action: stopPlayback) {
                 Image(systemName: "stop.circle")
                     .font(.title2)
             }
+            .accessibilityLabel("Stop playback")
             .disabled(playerController.track == nil)
         }
     }
@@ -276,6 +288,7 @@ struct MediaPanelView: View {
                 Button(action: refreshLibrary) {
                     Image(systemName: "arrow.clockwise")
                 }
+                .accessibilityLabel("Refresh library")
             }
             if let libraryError {
                 Text(libraryError)