loading state and error handling refactor

lib/state/app/modules/settings/bloc/settings_cubit.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:developer';
 
 import 'package:easy_debounce/easy_debounce.dart';
@@ -9,14 +10,23 @@ import '../../app_modules.dart';
 
 class SettingsCubit extends HydratedCubit<Settings> {
   static const _debounceTag = 'settings_persist';
+  bool _emitScheduled = false;
 
   SettingsCubit() : super(DefaultSettings.get());
 
   Settings val({bool write = false}) {
     if (write) {
-      // Notify listeners immediately so the UI reflects the mutation right away;
-      // debounce the actual persistence to disk to avoid hammering on rapid edits.
-      _emitFreshInstance();
+      // Defer the emit until the synchronous mutation on the returned object
+      // has finished. Without this scheduleMicrotask the cubit emits a copy
+      // captured *before* the assignment runs, so listeners (and HydratedBloc
+      // persistence) see the old value on the first emit.
+      if (!_emitScheduled) {
+        _emitScheduled = true;
+        scheduleMicrotask(() {
+          _emitScheduled = false;
+          _emitFreshInstance();
+        });
+      }
       EasyDebounce.debounce(_debounceTag, const Duration(milliseconds: 500), _emitFreshInstance);
     }
     return state;