fix: PhysicsModifier body function + Angle type

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ios/Platform/Platform/ContentView.swift

@@ -211,14 +211,14 @@ struct PhysicsModifier: ViewModifier {
     private let gravity: CGFloat = 0.6
     private let duration: Double = 1.6
 
-    var body: some View {
+    func body(content: Content) -> some View {
         let x = startX + vx * time
         let y = startY + vy * time + 0.5 * gravity * time * time
 
         content
             .offset(x: x, y: y)
             .opacity(opacity)
-            .rotationEffect(.degrees(spin * Double(time / 30)))
+            .rotationEffect(Angle.degrees(spin * Double(time / 30)))
             .onAppear {
                 withAnimation(.easeOut(duration: duration).delay(delay)) {
                     time = 30