Fully fixed: Timer Lock Screen Widget

DynamicIsland/components/LockScreen/LockScreenTimerWidget.swift

@@ -201,22 +201,22 @@ struct LockScreenTimerWidget: View {
     }
 
     private func stopTimer() {
-        let stopAction: @MainActor () -> Void = {
-            if timerManager.allowsManualInteraction {
-                timerManager.stopTimer()
-            } else {
-                timerManager.endExternalTimer(triggerSmoothClose: false)
-            }
-        }
+        let allowsManualInteraction = timerManager.allowsManualInteraction
 
-        Task { @MainActor in
-            // Trigger the scale-out animation first so the dismissal mirrors the unlock flow.
-            LockScreenTimerWidgetPanelManager.shared.hide()
+        LockScreenTimerWidgetPanelManager.shared.hide()
 
+        Task.detached(priority: .userInitiated) { [allowsManualInteraction] in
             try? await Task.sleep(nanoseconds: LockScreenTimerWidgetPanelManager.hideAnimationDurationNanoseconds)
 
             guard !Task.isCancelled else { return }
-            stopAction()
+
+            await MainActor.run {
+                if allowsManualInteraction {
+                    TimerManager.shared.stopTimer()
+                } else {
+                    TimerManager.shared.endExternalTimer(triggerSmoothClose: false)
+                }
+            }
         }
     }
 

DynamicIsland/managers/LockScreenTimerWidgetManager.swift

@@ -137,6 +137,7 @@ final class LockScreenTimerWidgetPanelManager {
         }
     }
 
+
     func refreshPosition(animated: Bool) {
         guard let window, window.isVisible, let screen = NSScreen.main else { return }
         let frame = targetFrame(on: screen)

DynamicIsland/managers/TimerControlWindowManager.swift

@@ -4,7 +4,7 @@ import SwiftUI
 import SkyLightWindow
 import QuartzCore
 
-struct TimerControlWindowMetrics {
+struct TimerControlWindowMetrics: Equatable {
     let notchHeight: CGFloat
     let notchWidth: CGFloat
     let rightWingWidth: CGFloat
@@ -90,15 +90,23 @@ final class TimerControlWindowManager {
         guard window != nil else {
             return present(using: viewModel, metrics: metrics)
         }
+
+        if let lastMetrics, lastMetrics == metrics {
+            return true
+        }
+
         return present(using: viewModel, metrics: metrics)
     }
 
-    func hide(animated: Bool = true) {
+    func hide(animated: Bool = true, tearDown: Bool = true) {
         guard let window else { return }
 
         guard animated, window.alphaValue > 0.01 else {
             window.orderOut(nil)
             window.alphaValue = 0
+            if tearDown {
+                tearDownWindowResources(using: window)
+            }
             return
         }
 
@@ -110,13 +118,26 @@ final class TimerControlWindowManager {
             context.timingFunction = CAMediaTimingFunction(name: .easeIn)
             window.animator().setFrame(retreatFrame, display: true)
             window.animator().alphaValue = 0
-        } completionHandler: {
+        } completionHandler: { [weak self] in
             window.setFrame(originalFrame, display: false)
             window.orderOut(nil)
             window.alphaValue = 0
+            if tearDown {
+                self?.tearDownWindowResources(using: window)
+            }
         }
     }
 
+    private func tearDownWindowResources(using window: NSWindow? = nil) {
+        let targetWindow = window ?? self.window
+        targetWindow?.contentView = nil
+        targetWindow?.orderOut(nil)
+        hostingView = nil
+        lastMetrics = nil
+        self.window = nil
+        hasDelegated = false
+    }
+
     private func ensureHostingView(with overlay: TimerControlOverlay) -> NSHostingView<TimerControlOverlay> {
         if let hostingView {
             hostingView.rootView = overlay