Finally fixed: added explicit cancellation checks, need to verify by independent testers

DynamicIsland/models/LockScreenReminderWidgetSnapshot.swift

@@ -0,0 +1,31 @@
+import SwiftUI
+import AppKit
+
+struct LockScreenReminderWidgetSnapshot: Equatable {
+    struct RGBAColor: Equatable {
+        let red: Double
+        let green: Double
+        let blue: Double
+        let alpha: Double
+
+        init(nsColor: NSColor) {
+            let color = nsColor.usingColorSpace(.sRGB) ?? nsColor
+            self.red = Double(color.redComponent)
+            self.green = Double(color.greenComponent)
+            self.blue = Double(color.blueComponent)
+            self.alpha = Double(color.alphaComponent)
+        }
+
+        var color: Color {
+            Color(red: red, green: green, blue: blue, opacity: alpha)
+        }
+    }
+
+    let title: String
+    let eventTimeText: String
+    let relativeDescription: String?
+    let accent: RGBAColor
+    let chipStyle: LockScreenReminderChipStyle
+    let isCritical: Bool
+    let iconName: String
+}