fix: preview fixed

Gaze/Services/EnforceModeService.swift

@@ -27,6 +27,7 @@ class EnforceModeService: ObservableObject {
         self.settingsManager = SettingsManager.shared
         self.eyeTrackingService = EyeTrackingService.shared
         setupObservers()
+        initializeEnforceModeState()
     }
     
     private func setupObservers() {
@@ -37,6 +38,20 @@ class EnforceModeService: ObservableObject {
             .store(in: &cancellables)
     }
     
+    private func initializeEnforceModeState() {
+        let cameraService = CameraAccessService.shared
+        let settingsEnabled = settingsManager.settings.enforcementMode
+        
+        // If settings say it's enabled AND camera is authorized, mark as enabled
+        if settingsEnabled && cameraService.isCameraAuthorized {
+            isEnforceModeEnabled = true
+            print("✓ Enforce mode initialized as enabled (camera authorized)")
+        } else {
+            isEnforceModeEnabled = false
+            print("🔒 Enforce mode initialized as disabled")
+        }
+    }
+    
     func enableEnforceMode() async {
         print("🔒 enableEnforceMode called")
         guard !isEnforceModeEnabled else {

Gaze/Services/EyeTrackingService.swift

@@ -21,11 +21,23 @@ class EyeTrackingService: NSObject, ObservableObject {
     private var captureSession: AVCaptureSession?
     private var videoOutput: AVCaptureVideoDataOutput?
     private let videoDataOutputQueue = DispatchQueue(label: "com.gaze.videoDataOutput", qos: .userInitiated)
+    private var _previewLayer: AVCaptureVideoPreviewLayer?
     
     var previewLayer: AVCaptureVideoPreviewLayer? {
-        guard let session = captureSession else { return nil }
+        guard let session = captureSession else { 
+            _previewLayer = nil
+            return nil 
+        }
+        
+        // Reuse existing layer if session hasn't changed
+        if let existing = _previewLayer, existing.session === session {
+            return existing
+        }
+        
+        // Create new layer only when session changes
         let layer = AVCaptureVideoPreviewLayer(session: session)
         layer.videoGravity = .resizeAspectFill
+        _previewLayer = layer
         return layer
     }
     
@@ -66,6 +78,7 @@ class EyeTrackingService: NSObject, ObservableObject {
         captureSession?.stopRunning()
         captureSession = nil
         videoOutput = nil
+        _previewLayer = nil
         isEyeTrackingActive = false
         isEyesClosed = false
         userLookingAtScreen = true

Gaze/Views/Components/CameraPreviewView.swift

@@ -12,20 +12,36 @@ struct CameraPreviewView: NSViewRepresentable {
     let previewLayer: AVCaptureVideoPreviewLayer
     let borderColor: NSColor
     
-    func makeNSView(context: Context) -> NSView {
+    func makeNSView(context: Context) -> PreviewContainerView {
         let view = PreviewContainerView()
         view.wantsLayer = true
         
+        // Add the preview layer once
+        if view.layer?.sublayers?.first as? AVCaptureVideoPreviewLayer !== previewLayer {
+            view.layer?.sublayers?.forEach { $0.removeFromSuperlayer() }
             previewLayer.frame = view.bounds
             view.layer?.addSublayer(previewLayer)
+        }
         
         updateBorder(view: view, color: borderColor)
         
         return view
     }
     
-    func updateNSView(_ nsView: NSView, context: Context) {
+    func updateNSView(_ nsView: PreviewContainerView, context: Context) {
+        // Only update border color and frame, don't recreate layer
+        let currentLayer = nsView.layer?.sublayers?.first as? AVCaptureVideoPreviewLayer
+        
+        if currentLayer !== previewLayer {
+            // Layer changed, need to replace
+            nsView.layer?.sublayers?.forEach { $0.removeFromSuperlayer() }
             previewLayer.frame = nsView.bounds
+            nsView.layer?.addSublayer(previewLayer)
+        } else {
+            // Same layer, just update frame
+            previewLayer.frame = nsView.bounds
+        }
+        
         updateBorder(view: nsView, color: borderColor)
     }
     

Gaze/Views/Setup/EnforceModeSetupView.swift

@@ -5,6 +5,7 @@
 //  Created by Mike Freno on 1/13/26.
 //
 
+import AVFoundation
 import SwiftUI
 
 struct EnforceModeSetupView: View {
@@ -15,6 +16,7 @@ struct EnforceModeSetupView: View {
 
     @State private var isProcessingToggle = false
     @State private var isTestModeActive = false
+    @State private var cachedPreviewLayer: AVCaptureVideoPreviewLayer?
 
     var body: some View {
         VStack(spacing: 0) {
@@ -102,9 +104,13 @@ struct EnforceModeSetupView: View {
                 if isTestModeActive {
                     enforceModeService.stopTestMode()
                     isTestModeActive = false
+                    cachedPreviewLayer = nil
                 } else {
                     await enforceModeService.startTestMode()
                     isTestModeActive = enforceModeService.isCameraActive
+                    if isTestModeActive {
+                        cachedPreviewLayer = eyeTrackingService.previewLayer
+                    }
                 }
             }
         }) {
@@ -123,13 +129,21 @@ struct EnforceModeSetupView: View {
 
     private var testModePreviewView: some View {
         VStack(spacing: 16) {
-            if let previewLayer = eyeTrackingService.previewLayer {
             let lookingAway = !eyeTrackingService.userLookingAtScreen
             let borderColor: NSColor = lookingAway ? .systemGreen : .systemRed
 
-                CameraPreviewView(previewLayer: previewLayer, borderColor: borderColor)
+            // Cache the preview layer to avoid recreating it
+            let previewLayer = eyeTrackingService.previewLayer ?? cachedPreviewLayer
+
+            if let layer = previewLayer {
+                CameraPreviewView(previewLayer: layer, borderColor: borderColor)
                     .frame(height: 300)
                     .glassEffectIfAvailable(GlassStyle.regular, in: .rect(cornerRadius: 12))
+                    .onAppear {
+                        if cachedPreviewLayer == nil {
+                            cachedPreviewLayer = eyeTrackingService.previewLayer
+                        }
+                    }
 
                 VStack(alignment: .leading, spacing: 12) {
                     Text("Live Tracking Status")
@@ -149,7 +163,10 @@ struct EnforceModeSetupView: View {
                         )
                     }
 
-                    Text(lookingAway ? "✓ Break compliance detected" : "⚠️ Please look away from screen")
+                    Text(
+                        lookingAway
+                            ? "✓ Break compliance detected" : "⚠️ Please look away from screen"
+                    )
                     .font(.caption)
                     .foregroundColor(lookingAway ? .green : .orange)
                     .frame(maxWidth: .infinity, alignment: .center)
@@ -281,7 +298,8 @@ struct EnforceModeSetupView: View {
             .foregroundColor(.secondary)
         }
         .padding()
-        .glassEffectIfAvailable(GlassStyle.regular.tint(.blue.opacity(0.1)), in: .rect(cornerRadius: 12))
+        .glassEffectIfAvailable(
+            GlassStyle.regular.tint(.blue.opacity(0.1)), in: .rect(cornerRadius: 12))
     }
 
     private func privacyBullet(_ text: String) -> some View {