Objective‑C UIView ↔ SwiftUI UIViewRepresentable: Propagating accessibilityLabel

Goal

Ensure that an Objective‑C UIView subclass’s accessibilityLabel is announced by VoiceOver when the view is wrapped in a SwiftUI UIViewRepresentable.

Constraints & Uncertainty

• Labels set in init or makeUIView may be ignored unless updated in updateUIView.
• Accessibility traits are not automatically mirrored; manual SwiftUI modifiers may be required.
• No documented default forwarding of UIAccessibilityPostNotification to SwiftUI’s hierarchy.

Unresolved Questions

1. What is the minimal implementation in updateUIView to guarantee that the accessibilityLabel set in Objective‑C is propagated to VoiceOver?
2. How can we reliably synchronize accessibilityTraits from the Objective‑C view to the SwiftUI wrapper without manual SwiftUI modifiers?
3. Is there a recommended pattern for forwarding accessibility notifications from the Objective‑C view to SwiftUI’s accessibility hierarchy?