Fix camera position switch - detect change on settings sheet dismiss

- Track lastCameraPosition to detect changes
- Use sheet onDismiss callback to check if position changed
- Force camera recreation only when position actually changes
- Works around @Observable tracking issues with nested cloudSync data

SelfieCam/Features/Camera/ContentView.swift

@@ -21,6 +21,9 @@ struct ContentView: View {
     /// Incrementing this value creates a new camera session with fresh AVCapturePhotoOutput
     @State private var cameraSessionKey = UUID()
     
+    /// Track camera position to detect changes when settings sheet closes
+    @State private var lastCameraPosition: CameraPosition = .front
+
     var body: some View {
         ZStack {
             // Camera view - wrapped in EquatableView to prevent re-evaluation on settings changes
@@ -70,6 +73,10 @@ struct ContentView: View {
             .padding(.top, Design.Spacing.small)
         }
         .animation(.easeInOut(duration: Design.Animation.quick), value: showPhotoReview)
+        .onAppear {
+            // Initialize tracking of camera position
+            lastCameraPosition = settings.cameraPosition
+        }
         .onChange(of: settings.isRingLightEnabled) { _, newValue in
             if settings.isFlashSyncedWithRingLight {
                 settings.flashMode = newValue ? .on : .off
@@ -80,11 +87,14 @@ struct ContentView: View {
                 settings.flashMode = settings.isRingLightEnabled ? .on : .off
             }
         }
-        .onChange(of: settings.cameraPosition) { _, _ in
-            // Force camera session recreation when camera position changes
-            cameraSessionKey = UUID()
-        }
-        .sheet(isPresented: $showSettings) {
+        .sheet(isPresented: $showSettings, onDismiss: {
+            // Check if camera position changed while settings was open
+            if settings.cameraPosition != lastCameraPosition {
+                lastCameraPosition = settings.cameraPosition
+                // Force camera session recreation with new position
+                cameraSessionKey = UUID()
+            }
+        }) {
             SettingsView(viewModel: settings, showPaywall: $showPaywall)
         }
         .sheet(isPresented: $showPaywall) {