claude refactorings, flutter best practices, platform dependent changes, general cleanup

lib/api/mhsl/notify/register/notify_register_params.g.dart

@@ -0,0 +1,23 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'notify_register_params.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+NotifyRegisterParams _$NotifyRegisterParamsFromJson(
+  Map<String, dynamic> json,
+) => NotifyRegisterParams(
+  username: json['username'] as String,
+  password: json['password'] as String,
+  fcmToken: json['fcmToken'] as String,
+);
+
+Map<String, dynamic> _$NotifyRegisterParamsToJson(
+  NotifyRegisterParams instance,
+) => <String, dynamic>{
+  'username': instance.username,
+  'password': instance.password,
+  'fcmToken': instance.fcmToken,
+};