fix: resolve navigation-cache regressions and todo UX

apps/lib/features/calendar/reminders/reminder_action_executor.dart

@@ -1,7 +1,5 @@
 import 'dart:math';
 
-import 'package:flutter/widgets.dart';
-
 import '../data/services/calendar_service.dart';
 import '../../../core/notifications/local_notification_service.dart';
 import 'models/reminder_action.dart';
@@ -13,23 +11,16 @@ class ReminderActionExecutor {
   final LocalNotificationService _notificationService;
   final ReminderOutboxStore _outboxStore;
   final Random _random;
-  final bool Function() _isAppActive;
 
   ReminderActionExecutor({
     required CalendarService calendarService,
     required LocalNotificationService notificationService,
     required ReminderOutboxStore outboxStore,
     Random? random,
-    bool Function()? isAppActive,
   }) : _calendarService = calendarService,
        _notificationService = notificationService,
        _outboxStore = outboxStore,
-       _random = random ?? Random(),
-       _isAppActive =
-           isAppActive ??
-           (() =>
-               WidgetsBinding.instance.lifecycleState ==
-               AppLifecycleState.resumed);
+       _random = random ?? Random();
 
   Future<void> handleAction({
     required ReminderAction action,
@@ -95,9 +86,11 @@ class ReminderActionExecutor {
   }
 
   Future<void> _archiveEvent(String eventId, ReminderAction action) async {
-    if (_isAppActive()) {
+    try {
       await _calendarService.archiveEvent(eventId);
       return;
+    } catch (_) {
+      // fall through to enqueue local outbox for retry
     }
 
     final opId =