Offline rediness

lib/providers/notifications_provider.dart

@@ -419,6 +419,12 @@ class NotificationsController {
     final current = List<Map<String, dynamic>>.from(
       ref.read(offlinePendingBatchNotificationReadsProvider),
     );
+    // Idempotency: skip if same (filter_type, filter_id) is already queued.
+    // Mark-read is idempotent — queuing duplicates only inflates the banner count.
+    if (current.any((e) =>
+        e['filter_type'] == filterType && e['filter_id'] == filterId)) {
+      return;
+    }
     current.add({
       'filter_type': filterType,
       'filter_id': filterId,