- Fix subprocess_helper_command_str to use Process.spawn_command_line_sync (line 148) - Improve comment for fetch_subscriptions_needing_sync placeholder (line 303) These fixes address issues identified in code review for FRE-531.
- Fix invalid notificationManager extension property (line 60) - Remove invalid getChannelId() calls (line 124) - Fix NotificationCompat.Builder to use method chaining (line 140) - Remove undefined newIntent() call (line 154) - Add unit tests for NotificationService, NotificationManager, NotificationPreferences All fixes address issues identified in code review for FRE-536.