reorg

Gaze/AppDelegate.swift

@@ -16,6 +16,9 @@ class AppDelegate: NSObject, NSApplicationDelegate, ObservableObject {
     private let windowManager: WindowManaging
     private var updateManager: UpdateManager?
     private var systemSleepManager: SystemSleepManager?
+    private var fullscreenService: FullscreenDetectionService?
+    private var idleService: IdleMonitoringService?
+    private var usageTrackingService: UsageTrackingService?
     private var cancellables = Set<AnyCancellable>()
     private var hasStartedTimers = false
 
@@ -53,7 +56,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, ObservableObject {
         )
         systemSleepManager?.startObserving()
 
-        serviceContainer.setupSmartModeServices()
+        setupSmartModeServices()
 
         // Initialize update manager after onboarding is complete
         if settingsManager.settings.hasCompletedOnboarding {
@@ -82,18 +85,45 @@ class AppDelegate: NSObject, NSApplicationDelegate, ObservableObject {
             .removeDuplicates()
             .sink { [weak self] smartMode in
                 guard let self = self else { return }
-                self.serviceContainer.idleService?.updateThreshold(
+                self.idleService?.updateThreshold(
                     minutes: smartMode.idleThresholdMinutes)
-                self.serviceContainer.usageTrackingService?.updateResetThreshold(
+                self.usageTrackingService?.updateResetThreshold(
                     minutes: smartMode.usageResetAfterMinutes)
 
                 // Force state check when settings change to apply immediately
-                self.serviceContainer.fullscreenService?.forceUpdate()
+                self.fullscreenService?.forceUpdate()
-                self.serviceContainer.idleService?.forceUpdate()
+                self.idleService?.forceUpdate()
             }
             .store(in: &cancellables)
     }
 
+    private func setupSmartModeServices() {
+        let settings = settingsManager.settings
+
+        Task { @MainActor in
+            fullscreenService = await FullscreenDetectionService.create()
+            idleService = IdleMonitoringService(
+                idleThresholdMinutes: settings.smartMode.idleThresholdMinutes
+            )
+            if settings.smartMode.trackUsage {
+                usageTrackingService = UsageTrackingService(
+                    resetThresholdMinutes: settings.smartMode.usageResetAfterMinutes
+                )
+            } else {
+                usageTrackingService = nil
+            }
+
+            if let idleService = idleService {
+                usageTrackingService?.setupIdleMonitoring(idleService)
+            }
+
+            timerEngine?.setupSmartMode(
+                fullscreenService: fullscreenService,
+                idleService: idleService
+            )
+        }
+    }
+
     func onboardingCompleted() {
         startTimers()
 

Gaze/Services/EyeTracking/EyeDebugStateAdapter.swift

@@ -1,101 +0,0 @@
-//
-//  EyeDebugStateAdapter.swift
-//  Gaze
-//
-//  Debug state storage for eye tracking UI.
-//
-
-import AppKit
-import Foundation
-
-@MainActor
-final class EyeDebugStateAdapter {
-    var leftPupilRatio: Double?
-    var rightPupilRatio: Double?
-    var leftVerticalRatio: Double?
-    var rightVerticalRatio: Double?
-    var yaw: Double?
-    var pitch: Double?
-    var enableDebugLogging: Bool = false {
-        didSet {
-            PupilDetector.enableDiagnosticLogging = enableDebugLogging
-        }
-    }
-
-    var leftEyeInput: NSImage?
-    var rightEyeInput: NSImage?
-    var leftEyeProcessed: NSImage?
-    var rightEyeProcessed: NSImage?
-    var leftPupilPosition: PupilPosition?
-    var rightPupilPosition: PupilPosition?
-    var leftEyeSize: CGSize?
-    var rightEyeSize: CGSize?
-    var leftEyeRegion: EyeRegion?
-    var rightEyeRegion: EyeRegion?
-    var imageSize: CGSize?
-
-    var gazeDirection: GazeDirection {
-        guard let leftH = leftPupilRatio,
-              let rightH = rightPupilRatio,
-              let leftV = leftVerticalRatio,
-              let rightV = rightVerticalRatio else {
-            return .center
-        }
-
-        let avgHorizontal = (leftH + rightH) / 2.0
-        let avgVertical = (leftV + rightV) / 2.0
-
-        return GazeDirection.from(horizontal: avgHorizontal, vertical: avgVertical)
-    }
-
-    func update(from result: EyeTrackingProcessingResult) {
-        leftPupilRatio = result.leftPupilRatio
-        rightPupilRatio = result.rightPupilRatio
-        leftVerticalRatio = result.leftVerticalRatio
-        rightVerticalRatio = result.rightVerticalRatio
-        yaw = result.yaw
-        pitch = result.pitch
-    }
-
-    func updateEyeImages(from detector: PupilDetector.Type) {
-        if let leftInput = detector.debugLeftEyeInput {
-            leftEyeInput = NSImage(cgImage: leftInput, size: NSSize(width: leftInput.width, height: leftInput.height))
-        }
-        if let rightInput = detector.debugRightEyeInput {
-            rightEyeInput = NSImage(cgImage: rightInput, size: NSSize(width: rightInput.width, height: rightInput.height))
-        }
-        if let leftProcessed = detector.debugLeftEyeProcessed {
-            leftEyeProcessed = NSImage(cgImage: leftProcessed, size: NSSize(width: leftProcessed.width, height: leftProcessed.height))
-        }
-        if let rightProcessed = detector.debugRightEyeProcessed {
-            rightEyeProcessed = NSImage(cgImage: rightProcessed, size: NSSize(width: rightProcessed.width, height: rightProcessed.height))
-        }
-        leftPupilPosition = detector.debugLeftPupilPosition
-        rightPupilPosition = detector.debugRightPupilPosition
-        leftEyeSize = detector.debugLeftEyeSize
-        rightEyeSize = detector.debugRightEyeSize
-        leftEyeRegion = detector.debugLeftEyeRegion
-        rightEyeRegion = detector.debugRightEyeRegion
-        imageSize = detector.debugImageSize
-    }
-
-    func clear() {
-        leftPupilRatio = nil
-        rightPupilRatio = nil
-        leftVerticalRatio = nil
-        rightVerticalRatio = nil
-        yaw = nil
-        pitch = nil
-        leftEyeInput = nil
-        rightEyeInput = nil
-        leftEyeProcessed = nil
-        rightEyeProcessed = nil
-        leftPupilPosition = nil
-        rightPupilPosition = nil
-        leftEyeSize = nil
-        rightEyeSize = nil
-        leftEyeRegion = nil
-        rightEyeRegion = nil
-        imageSize = nil
-    }
-}

Gaze/Services/EyeTracking/EyeTrackingProcessingResult.swift

@@ -1,21 +0,0 @@
-//
-//  EyeTrackingProcessingResult.swift
-//  Gaze
-//
-//  Shared processing result for eye tracking pipeline.
-//
-
-import Foundation
-
-struct EyeTrackingProcessingResult: Sendable {
-    let faceDetected: Bool
-    let isEyesClosed: Bool
-    let userLookingAtScreen: Bool
-    let leftPupilRatio: Double?
-    let rightPupilRatio: Double?
-    let leftVerticalRatio: Double?
-    let rightVerticalRatio: Double?
-    let yaw: Double?
-    let pitch: Double?
-    let faceWidthRatio: Double?
-}

Gaze/Services/EyeTracking/EyeTrackingService.swift

@@ -217,3 +217,97 @@ enum EyeTrackingError: Error, LocalizedError {
         }
     }
 }
+
+// MARK: - Debug State Adapter
+
+@MainActor
+final class EyeDebugStateAdapter {
+    var leftPupilRatio: Double?
+    var rightPupilRatio: Double?
+    var leftVerticalRatio: Double?
+    var rightVerticalRatio: Double?
+    var yaw: Double?
+    var pitch: Double?
+    var enableDebugLogging: Bool = false {
+        didSet {
+            PupilDetector.enableDiagnosticLogging = enableDebugLogging
+        }
+    }
+
+    var leftEyeInput: NSImage?
+    var rightEyeInput: NSImage?
+    var leftEyeProcessed: NSImage?
+    var rightEyeProcessed: NSImage?
+    var leftPupilPosition: PupilPosition?
+    var rightPupilPosition: PupilPosition?
+    var leftEyeSize: CGSize?
+    var rightEyeSize: CGSize?
+    var leftEyeRegion: EyeRegion?
+    var rightEyeRegion: EyeRegion?
+    var imageSize: CGSize?
+
+    var gazeDirection: GazeDirection {
+        guard let leftH = leftPupilRatio,
+              let rightH = rightPupilRatio,
+              let leftV = leftVerticalRatio,
+              let rightV = rightVerticalRatio else {
+            return .center
+        }
+
+        let avgHorizontal = (leftH + rightH) / 2.0
+        let avgVertical = (leftV + rightV) / 2.0
+
+        return GazeDirection.from(horizontal: avgHorizontal, vertical: avgVertical)
+    }
+
+    func update(from result: EyeTrackingProcessingResult) {
+        leftPupilRatio = result.leftPupilRatio
+        rightPupilRatio = result.rightPupilRatio
+        leftVerticalRatio = result.leftVerticalRatio
+        rightVerticalRatio = result.rightVerticalRatio
+        yaw = result.yaw
+        pitch = result.pitch
+    }
+
+    func updateEyeImages(from detector: PupilDetector.Type) {
+        if let leftInput = detector.debugLeftEyeInput {
+            leftEyeInput = NSImage(cgImage: leftInput, size: NSSize(width: leftInput.width, height: leftInput.height))
+        }
+        if let rightInput = detector.debugRightEyeInput {
+            rightEyeInput = NSImage(cgImage: rightInput, size: NSSize(width: rightInput.width, height: rightInput.height))
+        }
+        if let leftProcessed = detector.debugLeftEyeProcessed {
+            leftEyeProcessed = NSImage(cgImage: leftProcessed, size: NSSize(width: leftProcessed.width, height: leftProcessed.height))
+        }
+        if let rightProcessed = detector.debugRightEyeProcessed {
+            rightEyeProcessed = NSImage(cgImage: rightProcessed, size: NSSize(width: rightProcessed.width, height: rightProcessed.height))
+        }
+        leftPupilPosition = detector.debugLeftPupilPosition
+        rightPupilPosition = detector.debugRightPupilPosition
+        leftEyeSize = detector.debugLeftEyeSize
+        rightEyeSize = detector.debugRightEyeSize
+        leftEyeRegion = detector.debugLeftEyeRegion
+        rightEyeRegion = detector.debugRightEyeRegion
+        imageSize = detector.debugImageSize
+    }
+
+    func clear() {
+        leftPupilRatio = nil
+        rightPupilRatio = nil
+        leftVerticalRatio = nil
+        rightVerticalRatio = nil
+        yaw = nil
+        pitch = nil
+        leftEyeInput = nil
+        rightEyeInput = nil
+        leftEyeProcessed = nil
+        rightEyeProcessed = nil
+        leftPupilPosition = nil
+        rightPupilPosition = nil
+        leftEyeSize = nil
+        rightEyeSize = nil
+        leftEyeRegion = nil
+        rightEyeRegion = nil
+        imageSize = nil
+    }
+}

Gaze/Services/EyeTracking/GazeDetector.swift

@@ -9,6 +9,19 @@ import Foundation
 import Vision
 import simd
 
+struct EyeTrackingProcessingResult: Sendable {
+    let faceDetected: Bool
+    let isEyesClosed: Bool
+    let userLookingAtScreen: Bool
+    let leftPupilRatio: Double?
+    let rightPupilRatio: Double?
+    let leftVerticalRatio: Double?
+    let rightVerticalRatio: Double?
+    let yaw: Double?
+    let pitch: Double?
+    let faceWidthRatio: Double?
+}
+
 final class GazeDetector: @unchecked Sendable {
     struct GazeResult: Sendable {
         let isLookingAway: Bool

Gaze/Services/FullscreenWindowMatcher.swift

@@ -1,21 +0,0 @@
-//
-//  FullscreenWindowMatcher.swift
-//  Gaze
-//
-//  Created by Mike Freno on 1/29/26.
-//
-
-import CoreGraphics
-
-struct FullscreenWindowMatcher {
-    func isFullscreen(windowBounds: CGRect, screenFrames: [CGRect], tolerance: CGFloat = 1) -> Bool {
-        screenFrames.contains { matches(windowBounds, screenFrame: $0, tolerance: tolerance) }
-    }
-
-    private func matches(_ windowBounds: CGRect, screenFrame: CGRect, tolerance: CGFloat) -> Bool {
-        abs(windowBounds.width - screenFrame.width) < tolerance
-            && abs(windowBounds.height - screenFrame.height) < tolerance
-            && abs(windowBounds.origin.x - screenFrame.origin.x) < tolerance
-            && abs(windowBounds.origin.y - screenFrame.origin.y) < tolerance
-    }
-}

Gaze/Services/IdleMonitoringService.swift

@@ -1,68 +0,0 @@
-//
-//  IdleMonitoringService.swift
-//  Gaze
-//
-//  Created by Mike Freno on 1/14/26.
-//
-
-import AppKit
-import Combine
-import Foundation
-
-@MainActor
-class IdleMonitoringService: ObservableObject {
-    @Published private(set) var isIdle = false
-    @Published private(set) var idleTimeSeconds: TimeInterval = 0
-    
-    private var timer: Timer?
-    private var idleThresholdSeconds: TimeInterval
-    
-    init(idleThresholdMinutes: Int = 5) {
-        self.idleThresholdSeconds = TimeInterval(idleThresholdMinutes * 60)
-        startMonitoring()
-    }
-    
-    deinit {
-        timer?.invalidate()
-    }
-    
-    func updateThreshold(minutes: Int) {
-        idleThresholdSeconds = TimeInterval(minutes * 60)
-        checkIdleState()
-    }
-    
-    private func startMonitoring() {
-        timer = Timer.scheduledTimer(withTimeInterval: 1.0, repeats: true) { [weak self] _ in
-            guard let self = self else { return }
-            Task { @MainActor in
-                self.checkIdleState()
-            }
-        }
-    }
-    
-    private func checkIdleState() {
-        idleTimeSeconds = CGEventSource.secondsSinceLastEventType(
-            .combinedSessionState,
-            eventType: .mouseMoved
-        )
-        
-        // Also check keyboard events and use the minimum
-        let keyboardIdleTime = CGEventSource.secondsSinceLastEventType(
-            .combinedSessionState,
-            eventType: .keyDown
-        )
-        
-        idleTimeSeconds = min(idleTimeSeconds, keyboardIdleTime)
-        
-        let wasIdle = isIdle
-        isIdle = idleTimeSeconds >= idleThresholdSeconds
-        
-        if wasIdle != isIdle {
-            print("🔄 Idle state changed: \(isIdle ? "IDLE" : "ACTIVE") (idle: \(Int(idleTimeSeconds))s, threshold: \(Int(idleThresholdSeconds))s)")
-        }
-    }
-    
-    func forceUpdate() {
-        checkIdleState()
-    }
-}

Gaze/Services/MockWindowManager.swift

@@ -1,160 +0,0 @@
-//
-//  MockWindowManager.swift
-//  Gaze
-//
-//  Mock implementation of WindowManaging for testing purposes.
-//
-
-import SwiftUI
-
-/// Mock window manager that tracks window operations without creating actual windows.
-/// Useful for unit testing UI flows and state management.
-@MainActor
-final class MockWindowManager: WindowManaging {
-    
-    // MARK: - State Tracking
-    
-    private(set) var isOverlayReminderVisible = false
-    private(set) var isSubtleReminderVisible = false
-    
-    // MARK: - Operation History
-    
-    struct WindowOperation {
-        let timestamp: Date
-        let operation: Operation
-        
-        enum Operation {
-            case showOverlayReminder
-            case showSubtleReminder
-            case dismissOverlayReminder
-            case dismissSubtleReminder
-            case dismissAllReminders
-            case showSettings(initialTab: Int)
-            case showOnboarding
-        }
-    }
-    
-    private(set) var operations: [WindowOperation] = []
-    
-    // MARK: - Callbacks for Testing
-    
-    var onShowOverlayReminder: (() -> Void)?
-    var onShowSubtleReminder: (() -> Void)?
-    var onDismissOverlayReminder: (() -> Void)?
-    var onDismissSubtleReminder: (() -> Void)?
-    var onShowSettings: ((Int) -> Void)?
-    var onShowOnboarding: (() -> Void)?
-    
-    // MARK: - WindowManaging Implementation
-    
-    func showReminderWindow<Content: View>(_ content: Content, windowType: ReminderWindowType) {
-        let operation: WindowOperation.Operation
-        
-        switch windowType {
-        case .overlay:
-            isOverlayReminderVisible = true
-            operation = .showOverlayReminder
-            onShowOverlayReminder?()
-        case .subtle:
-            isSubtleReminderVisible = true
-            operation = .showSubtleReminder
-            onShowSubtleReminder?()
-        }
-        
-        operations.append(WindowOperation(timestamp: Date(), operation: operation))
-    }
-    
-    func dismissOverlayReminder() {
-        isOverlayReminderVisible = false
-        operations.append(WindowOperation(timestamp: Date(), operation: .dismissOverlayReminder))
-        onDismissOverlayReminder?()
-    }
-    
-    func dismissSubtleReminder() {
-        isSubtleReminderVisible = false
-        operations.append(WindowOperation(timestamp: Date(), operation: .dismissSubtleReminder))
-        onDismissSubtleReminder?()
-    }
-    
-    func dismissAllReminders() {
-        isOverlayReminderVisible = false
-        isSubtleReminderVisible = false
-        operations.append(WindowOperation(timestamp: Date(), operation: .dismissAllReminders))
-        onDismissOverlayReminder?()
-        onDismissSubtleReminder?()
-    }
-    
-    func showSettings(settingsManager: any SettingsProviding, initialTab: Int) {
-        operations.append(WindowOperation(timestamp: Date(), operation: .showSettings(initialTab: initialTab)))
-        onShowSettings?(initialTab)
-    }
-    
-    func showOnboarding(settingsManager: any SettingsProviding) {
-        operations.append(WindowOperation(timestamp: Date(), operation: .showOnboarding))
-        onShowOnboarding?()
-    }
-    
-    // MARK: - Test Helpers
-    
-    /// Resets all state for a fresh test
-    func reset() {
-        isOverlayReminderVisible = false
-        isSubtleReminderVisible = false
-        operations.removeAll()
-        onShowOverlayReminder = nil
-        onShowSubtleReminder = nil
-        onDismissOverlayReminder = nil
-        onDismissSubtleReminder = nil
-        onShowSettings = nil
-        onShowOnboarding = nil
-    }
-    
-    /// Returns the number of times a specific operation was performed
-    func operationCount(_ operationType: WindowOperation.Operation) -> Int {
-        operations.filter { operation in
-            switch (operation.operation, operationType) {
-            case (.showOverlayReminder, .showOverlayReminder),
-                 (.showSubtleReminder, .showSubtleReminder),
-                 (.dismissOverlayReminder, .dismissOverlayReminder),
-                 (.dismissSubtleReminder, .dismissSubtleReminder),
-                 (.dismissAllReminders, .dismissAllReminders),
-                 (.showOnboarding, .showOnboarding):
-                return true
-            case (.showSettings(let tab1), .showSettings(let tab2)):
-                return tab1 == tab2
-            default:
-                return false
-            }
-        }.count
-    }
-    
-    /// Returns true if the operation was performed at least once
-    func didPerformOperation(_ operationType: WindowOperation.Operation) -> Bool {
-        operationCount(operationType) > 0
-    }
-    
-    /// Returns the last operation performed, if any
-    var lastOperation: WindowOperation? {
-        operations.last
-    }
-}
-
-// MARK: - Equatable Conformance for Testing
-
-extension MockWindowManager.WindowOperation.Operation: Equatable {
-    static func == (lhs: MockWindowManager.WindowOperation.Operation, rhs: MockWindowManager.WindowOperation.Operation) -> Bool {
-        switch (lhs, rhs) {
-        case (.showOverlayReminder, .showOverlayReminder),
-             (.showSubtleReminder, .showSubtleReminder),
-             (.dismissOverlayReminder, .dismissOverlayReminder),
-             (.dismissSubtleReminder, .dismissSubtleReminder),
-             (.dismissAllReminders, .dismissAllReminders),
-             (.showOnboarding, .showOnboarding):
-            return true
-        case (.showSettings(let tab1), .showSettings(let tab2)):
-            return tab1 == tab2
-        default:
-            return false
-        }
-    }
-}

Gaze/Services/ServiceContainer.swift

@@ -23,15 +23,6 @@ final class ServiceContainer {
     /// The timer engine instance (created lazily)
     private var _timerEngine: TimerEngine?
     
-    /// The fullscreen detection service
-    private(set) var fullscreenService: FullscreenDetectionService?
-    
-    /// The idle monitoring service
-    private(set) var idleService: IdleMonitoringService?
-    
-    /// The usage tracking service
-    private(set) var usageTrackingService: UsageTrackingService?
-    
     /// Creates a production container with real services
     private init() {
         self.settingsManager = SettingsManager.shared
@@ -64,30 +55,4 @@ final class ServiceContainer {
         return engine
     }
     
-    /// Sets up smart mode services
-    func setupSmartModeServices() {
-        let settings = settingsManager.settings
-        
-        Task { @MainActor in
-            fullscreenService = await FullscreenDetectionService.create()
-            idleService = IdleMonitoringService(
-                idleThresholdMinutes: settings.smartMode.idleThresholdMinutes
-            )
-            usageTrackingService = UsageTrackingService(
-                resetThresholdMinutes: settings.smartMode.usageResetAfterMinutes
-            )
-            
-            // Connect idle service to usage tracking
-            if let idleService = idleService {
-                usageTrackingService?.setupIdleMonitoring(idleService)
-            }
-            
-            // Connect services to timer engine
-            timerEngine.setupSmartMode(
-                fullscreenService: fullscreenService,
-                idleService: idleService
-            )
-        }
-    }
-    
 }

Gaze/Services/System/FullscreenDetectionService.swift

@@ -191,3 +191,16 @@ final class FullscreenDetectionService: ObservableObject {
         }
     #endif
 }
+
+struct FullscreenWindowMatcher {
+    func isFullscreen(windowBounds: CGRect, screenFrames: [CGRect], tolerance: CGFloat = 1) -> Bool {
+        screenFrames.contains { matches(windowBounds, screenFrame: $0, tolerance: tolerance) }
+    }
+
+    private func matches(_ windowBounds: CGRect, screenFrame: CGRect, tolerance: CGFloat) -> Bool {
+        abs(windowBounds.width - screenFrame.width) < tolerance
+            && abs(windowBounds.height - screenFrame.height) < tolerance
+            && abs(windowBounds.origin.x - screenFrame.origin.x) < tolerance
+            && abs(windowBounds.origin.y - screenFrame.origin.y) < tolerance
+    }
+}

Gaze/Services/System/IdleMonitoringService.swift

@@ -1,13 +1,72 @@
 //
-//  UsageTrackingService.swift
+//  IdleMonitoringService.swift
 //  Gaze
 //
 //  Created by Mike Freno on 1/14/26.
 //
 
+import AppKit
 import Combine
 import Foundation
 
+@MainActor
+class IdleMonitoringService: ObservableObject {
+    @Published private(set) var isIdle = false
+    @Published private(set) var idleTimeSeconds: TimeInterval = 0
+    
+    private var timer: Timer?
+    private var idleThresholdSeconds: TimeInterval
+    
+    init(idleThresholdMinutes: Int = 5) {
+        self.idleThresholdSeconds = TimeInterval(idleThresholdMinutes * 60)
+        startMonitoring()
+    }
+    
+    deinit {
+        timer?.invalidate()
+    }
+    
+    func updateThreshold(minutes: Int) {
+        idleThresholdSeconds = TimeInterval(minutes * 60)
+        checkIdleState()
+    }
+    
+    private func startMonitoring() {
+        timer = Timer.scheduledTimer(withTimeInterval: 1.0, repeats: true) { [weak self] _ in
+            guard let self = self else { return }
+            Task { @MainActor in
+                self.checkIdleState()
+            }
+        }
+    }
+    
+    private func checkIdleState() {
+        idleTimeSeconds = CGEventSource.secondsSinceLastEventType(
+            .combinedSessionState,
+            eventType: .mouseMoved
+        )
+        
+        // Also check keyboard events and use the minimum
+        let keyboardIdleTime = CGEventSource.secondsSinceLastEventType(
+            .combinedSessionState,
+            eventType: .keyDown
+        )
+        
+        idleTimeSeconds = min(idleTimeSeconds, keyboardIdleTime)
+        
+        let wasIdle = isIdle
+        isIdle = idleTimeSeconds >= idleThresholdSeconds
+        
+        if wasIdle != isIdle {
+            print("🔄 Idle state changed: \(isIdle ? "IDLE" : "ACTIVE") (idle: \(Int(idleTimeSeconds))s, threshold: \(Int(idleThresholdSeconds))s)")
+        }
+    }
+    
+    func forceUpdate() {
+        checkIdleState()
+    }
+}
+
 struct UsageStatistics: Codable {
     var totalActiveSeconds: TimeInterval
     var totalIdleSeconds: TimeInterval

GazeTests/Helpers/MockWindowManager.swift

@@ -0,0 +1,64 @@
+//
+//  MockWindowManager.swift
+//  GazeTests
+//
+//  Mock window manager for tests.
+//
+
+import Foundation
+import SwiftUI
+@testable import Gaze
+
+@MainActor
+final class MockWindowManager: WindowManaging {
+    private(set) var didShowOnboarding = false
+    private(set) var didShowSettings = false
+    private(set) var didShowReminder = false
+    private(set) var didDismissReminder = false
+
+    var isOverlayReminderVisible: Bool = false
+    var isSubtleReminderVisible: Bool = false
+
+    func showOnboarding(settingsManager: any SettingsProviding) {
+        didShowOnboarding = true
+    }
+
+    func showSettings(settingsManager: any SettingsProviding, initialTab: Int) {
+        didShowSettings = true
+    }
+
+    func showReminderWindow<Content: View>(_ content: Content, windowType: ReminderWindowType) {
+        didShowReminder = true
+        switch windowType {
+        case .overlay:
+            isOverlayReminderVisible = true
+        case .subtle:
+            isSubtleReminderVisible = true
+        }
+    }
+
+    func dismissOverlayReminder() {
+        didDismissReminder = true
+        isOverlayReminderVisible = false
+    }
+
+    func dismissSubtleReminder() {
+        didDismissReminder = true
+        isSubtleReminderVisible = false
+    }
+
+    func dismissAllReminders() {
+        didDismissReminder = true
+        isOverlayReminderVisible = false
+        isSubtleReminderVisible = false
+    }
+
+    func reset() {
+        didShowOnboarding = false
+        didShowSettings = false
+        didShowReminder = false
+        didDismissReminder = false
+        isOverlayReminderVisible = false
+        isSubtleReminderVisible = false
+    }
+}