iOS: add swipe gestures to mini player — up to expand, down to dismiss

ios/LibNovel/LibNovel/Views/Player/PlayerViews.swift

@@ -63,7 +63,7 @@ struct MiniPlayerView: View {
                             .foregroundStyle(.red)
                             .frame(width: 36, height: 36)
                     default:
-                        Color.clear.frame(width: 36, height: 36)
+                        EmptyView()
                     }
                 }
 
@@ -81,6 +81,18 @@ struct MiniPlayerView: View {
         }
         .background(.ultraThinMaterial)
         .shadow(color: .black.opacity(0.15), radius: 6, y: -2)
+        .gesture(
+            DragGesture(minimumDistance: 20, coordinateSpace: .local)
+                .onEnded { value in
+                    if value.translation.height < -20 {
+                        // Swipe up → expand full player
+                        showFullPlayer = true
+                    } else if value.translation.height > 20 {
+                        // Swipe down → dismiss
+                        audioPlayer.stop()
+                    }
+                }
+        )
     }
 
     private var progress: CGFloat {