chore: 初始化脚手架 — sunny_mochi 企业级 Flutter 模板

Core 基础设施：Flavor 三包体系、Drift+SQLCipher 加密数据库
7 拦截器 Dio 网络栈、CrashReporter 崩溃日志、Sealed Failure 错误体系
5 色板主题系统、Auth 认证骨架（Clean Architecture）、Dev Panel、Mock Adapter

通过验证：flutter analyze（0 errors）、flutter test（全绿）、staging APK 74.8MB

lib/core/network/api_response.g.dart

@@ -0,0 +1,35 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'api_response.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+_ApiResponse<T> _$ApiResponseFromJson<T>(
+  Map<String, dynamic> json,
+  T Function(Object? json) fromJsonT,
+) => _ApiResponse<T>(
+  retCode: json['code'] as String,
+  retMsg: json['msg'] as String? ?? '',
+  retData: _$nullableGenericFromJson(json['data'], fromJsonT),
+);
+
+Map<String, dynamic> _$ApiResponseToJson<T>(
+  _ApiResponse<T> instance,
+  Object? Function(T value) toJsonT,
+) => <String, dynamic>{
+  'code': instance.retCode,
+  'msg': instance.retMsg,
+  'data': _$nullableGenericToJson(instance.retData, toJsonT),
+};
+
+T? _$nullableGenericFromJson<T>(
+  Object? input,
+  T Function(Object? json) fromJson,
+) => input == null ? null : fromJson(input);
+
+Object? _$nullableGenericToJson<T>(
+  T? input,
+  Object? Function(T value) toJson,
+) => input == null ? null : toJson(input);