diff --git a/DynamicIsland/DynamicIslandApp.swift b/DynamicIsland/DynamicIslandApp.swift
index ba00b70..0cac7ea 100644
--- a/DynamicIsland/DynamicIslandApp.swift
+++ b/DynamicIsland/DynamicIslandApp.swift
@@ -156,6 +156,16 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     }
     
     func applicationWillTerminate(_ notification: Notification) {
+        let userInfo: [String: Any] = [
+            AtollDistributedNotifications.UserInfoKey.sourcePID: NSNumber(value: ProcessInfo.processInfo.processIdentifier)
+        ]
+        DistributedNotificationCenter.default().postNotificationName(
+            AtollDistributedNotifications.didBecomeIdle,
+            object: nil,
+            userInfo: userInfo,
+            deliverImmediately: true
+        )
+
         // Cancel any pending window size updates
         windowSizeUpdateWorkItem?.cancel()
         NotificationCenter.default.removeObserver(self)
@@ -393,6 +403,16 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     }
     
     func applicationDidFinishLaunching(_ notification: Notification) {
+        let userInfo: [String: Any] = [
+            AtollDistributedNotifications.UserInfoKey.sourcePID: NSNumber(value: ProcessInfo.processInfo.processIdentifier)
+        ]
+        DistributedNotificationCenter.default().postNotificationName(
+            AtollDistributedNotifications.didBecomeActive,
+            object: nil,
+            userInfo: userInfo,
+            deliverImmediately: true
+        )
+
         LockScreenLiveActivityWindowManager.shared.configure(viewModel: vm)
         LockScreenManager.shared.configure(viewModel: vm)
         extensionXPCServiceHost.start()
diff --git a/DynamicIsland/services/Extensions/AtollDistributedNotifications.swift b/DynamicIsland/services/Extensions/AtollDistributedNotifications.swift
new file mode 100644
index 0000000..fda5463
--- /dev/null
+++ b/DynamicIsland/services/Extensions/AtollDistributedNotifications.swift
@@ -0,0 +1,20 @@
+/*
+ * Atoll (DynamicIsland)
+ * Copyright (C) 2024-2026 Atoll Contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+import Foundation
+
+enum AtollDistributedNotifications {
+    static let didBecomeActive = Notification.Name("com.ebullioscopic.Atoll.lifecycle.didBecomeActive")
+    static let didBecomeIdle = Notification.Name("com.ebullioscopic.Atoll.lifecycle.didBecomeIdle")
+
+    enum UserInfoKey {
+        static let sourcePID = "sourcePID"
+    }
+}