turns out - vision framework aint good enough for this

Gaze/Constants/EyeTrackingConstants.swift

@@ -5,9 +5,12 @@
 //  Created by Mike Freno on 1/14/26.
 //
 
+import Combine
 import Foundation
 
-enum EyeTrackingConstants {
+class EyeTrackingConstants: ObservableObject {
+    static let shared = EyeTrackingConstants()
+    
     // MARK: - Logging
     /// Interval between log messages in seconds
     static let logInterval: TimeInterval = 0.5
@@ -15,29 +18,57 @@ enum EyeTrackingConstants {
     // MARK: - Eye Closure Detection
     /// Threshold for eye closure (smaller value means eye must be more closed to trigger)
     /// Range: 0.0 to 1.0 (approximate eye opening ratio)
-    static let eyeClosedThreshold: CGFloat = 0.02
+    @Published var eyeClosedThreshold: CGFloat = 0.02
+    @Published var eyeClosedEnabled: Bool = true
 
     // MARK: - Face Pose Thresholds
     /// Maximum yaw (left/right head turn) in radians before considering user looking away
     /// 0.20 radians ≈ 11.5 degrees (Tightened from 0.35)
-    static let yawThreshold: Double = 0.2
+    /// NOTE: Vision Framework often provides unreliable yaw/pitch on macOS - disabled by default
+    @Published var yawThreshold: Double = 0.3
+    @Published var yawEnabled: Bool = false
 
     /// Pitch threshold for looking UP (above screen).
     /// Since camera is at top, looking at screen is negative pitch.
     /// Values > 0.1 imply looking straight ahead or up (away from screen).
-    static let pitchUpThreshold: Double = 0.1
+    /// NOTE: Vision Framework often doesn't provide pitch data on macOS - disabled by default
+    @Published var pitchUpThreshold: Double = 0.1
+    @Published var pitchUpEnabled: Bool = false
 
     /// Pitch threshold for looking DOWN (at keyboard/lap).
     /// Values < -0.45 imply looking too far down.
-    static let pitchDownThreshold: Double = -0.45
+    /// NOTE: Vision Framework often doesn't provide pitch data on macOS - disabled by default
+    @Published var pitchDownThreshold: Double = -0.45
+    @Published var pitchDownEnabled: Bool = false
 
     // MARK: - Pupil Tracking Thresholds
     /// Minimum horizontal pupil ratio (0.0 = right edge, 1.0 = left edge)
     /// Values below this are considered looking right (camera view)
-    static let minPupilRatio: Double = 0.40
+    /// Tightened to 0.35 based on observed values (typically 0.31-0.47)
+    @Published var minPupilRatio: Double = 0.35
+    @Published var minPupilEnabled: Bool = true
 
     /// Maximum horizontal pupil ratio
     /// Values above this are considered looking left (camera view)
-    /// Tightened from 0.75 to 0.65
-    static let maxPupilRatio: Double = 0.6
+    /// Tightened to 0.45 based on observed values (typically 0.31-0.47)
+    @Published var maxPupilRatio: Double = 0.45
+    @Published var maxPupilEnabled: Bool = true
+    
+    private init() {}
+    
+    // MARK: - Reset to Defaults
+    func resetToDefaults() {
+        eyeClosedThreshold = 0.02
+        eyeClosedEnabled = true
+        yawThreshold = 0.3
+        yawEnabled = false  // Disabled by default - Vision Framework unreliable on macOS
+        pitchUpThreshold = 0.1
+        pitchUpEnabled = false  // Disabled by default - often not available on macOS
+        pitchDownThreshold = -0.45
+        pitchDownEnabled = false  // Disabled by default - often not available on macOS
+        minPupilRatio = 0.35
+        minPupilEnabled = true
+        maxPupilRatio = 0.45
+        maxPupilEnabled = true
+    }
 }