feat(account): 接入个人中心接口模型

lib/core/data/models/account_device.dart

@@ -0,0 +1,40 @@
+// Author: fruit.com.cn
+
+import 'json_numbers.dart';
+
+/// 登录设备列表项；只保留页面展示需要的字段。
+class AccountDevice {
+  const AccountDevice({
+    required this.id,
+    required this.deviceId,
+    required this.platform,
+    required this.deviceModel,
+    required this.status,
+    this.firstSeenAt,
+    this.lastSeenAt,
+  });
+
+  final String id;
+  final String deviceId;
+  final String platform;
+  final String deviceModel;
+  final String status;
+  final DateTime? firstSeenAt;
+  final DateTime? lastSeenAt;
+
+  /// 兼容 Long 字符串与数字；userId/deleted 不解析、不展示。
+  factory AccountDevice.fromJson(Map<String, dynamic> json) {
+    return AccountDevice(
+      id: jsonToId(json['id']),
+      deviceId: json['deviceId']?.toString() ?? '',
+      platform: json['platform']?.toString() ?? '',
+      deviceModel: json['deviceModel']?.toString() ?? '',
+      status: json['status']?.toString() ?? '',
+      firstSeenAt: _date(json['firstSeenAt']),
+      lastSeenAt: _date(json['lastSeenAt']),
+    );
+  }
+
+  static DateTime? _date(dynamic value) =>
+      DateTime.tryParse(value?.toString() ?? '');
+}

lib/core/data/models/account_export.dart

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+// Author: fruit.com.cn
+
+import 'dart:convert';
+
+import 'account_device.dart';
+import 'account_profile.dart';
+
+/// 导出中的登录凭据摘要。
+class AccountCredential {
+  const AccountCredential({
+    required this.type,
+    required this.masked,
+    required this.verified,
+  });
+
+  final String type;
+  final String masked;
+  final bool verified;
+
+  factory AccountCredential.fromJson(Map<String, dynamic> json) {
+    return AccountCredential(
+      type: json['type']?.toString() ?? '',
+      masked: json['masked']?.toString() ?? '',
+      verified: json['verified'] == true,
+    );
+  }
+}
+
+/// 账号导出数据；`rawJson` 用于复制后端下发的完整内容。
+class AccountExport {
+  const AccountExport({
+    required this.profile,
+    required this.credentials,
+    required this.consentCount,
+    required this.devices,
+    required this.raw,
+  });
+
+  final AccountProfile profile;
+  final List<AccountCredential> credentials;
+  final int consentCount;
+  final List<AccountDevice> devices;
+  final Map<String, dynamic> raw;
+
+  int get deviceCount => devices.length;
+  String get rawJson => const JsonEncoder.withIndent('  ').convert(raw);
+
+  factory AccountExport.fromJson(Map<String, dynamic> json) {
+    final profile = _map(json['profile']);
+    final credentials = _list(json['credentials']);
+    final consents = _list(json['consents']);
+    final devices = _list(json['devices']);
+    return AccountExport(
+      profile: AccountProfile.fromJson(profile),
+      credentials: [
+        for (final item in credentials) AccountCredential.fromJson(item),
+      ],
+      consentCount: consents.length,
+      devices: [for (final item in devices) AccountDevice.fromJson(item)],
+      raw: json,
+    );
+  }
+
+  static Map<String, dynamic> _map(dynamic value) =>
+      value is Map ? value.cast<String, dynamic>() : const {};
+
+  static List<Map<String, dynamic>> _list(dynamic value) {
+    if (value is! List) return const [];
+    return [
+      for (final item in value)
+        if (item is Map) item.cast<String, dynamic>(),
+    ];
+  }
+}

lib/core/data/models/account_profile.dart

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+// Author: fruit.com.cn
+
+import 'auth_session.dart';
+import 'json_numbers.dart';
+
+/// 当前账号资料；字段与 `GET/PUT /app/me` 的实际响应一致。
+class AccountProfile {
+  const AccountProfile({
+    required this.uid,
+    required this.nickname,
+    required this.avatarUrl,
+    required this.gender,
+    required this.countryCode,
+    required this.regionCode,
+    required this.language,
+    required this.timezone,
+    required this.currency,
+    required this.status,
+    required this.maskedTarget,
+    required this.vipLevel,
+    this.createdAt,
+    this.lastLoginAt,
+    this.vipExpireAt,
+  });
+
+  final String uid;
+  final String nickname;
+  final String avatarUrl;
+  final String gender;
+  final String countryCode;
+  final String regionCode;
+  final String language;
+  final String timezone;
+  final String currency;
+  final String status;
+  final String maskedTarget;
+  final int vipLevel;
+  final DateTime? createdAt;
+  final DateTime? lastLoginAt;
+  final DateTime? vipExpireAt;
+
+  /// 解析资料响应；缺失字段按空值处理。
+  factory AccountProfile.fromJson(Map<String, dynamic> json) {
+    return AccountProfile(
+      uid: jsonToId(json['uid']),
+      nickname: json['nickname']?.toString() ?? '',
+      avatarUrl: json['avatarUrl']?.toString() ?? '',
+      gender: json['gender']?.toString() ?? '',
+      countryCode: json['countryCode']?.toString() ?? '',
+      regionCode: json['regionCode']?.toString() ?? '',
+      language: json['language']?.toString() ?? '',
+      timezone: json['timezone']?.toString() ?? '',
+      currency: json['currency']?.toString() ?? '',
+      status: json['status']?.toString() ?? '',
+      maskedTarget: json['maskedTarget']?.toString() ?? '',
+      vipLevel: jsonToInt(json['vipLevel']),
+      createdAt: _date(json['createdAt']),
+      lastLoginAt: _date(json['lastLoginAt']),
+      vipExpireAt: _date(json['vipExpireAt']),
+    );
+  }
+
+  static DateTime? _date(dynamic value) =>
+      DateTime.tryParse(value?.toString() ?? '');
+
+  /// 转为本地登录态摘要；只同步登录态实际使用的三项。
+  AuthUser toAuthUser() =>
+      AuthUser(uid: uid, nickname: nickname, avatarUrl: avatarUrl);
+}
+
+/// 资料更新请求；null 字段不会进入请求体。
+class AccountProfileUpdate {
+  const AccountProfileUpdate({
+    this.nickname,
+    this.avatarUrl,
+    this.gender,
+    this.birthday,
+    this.language,
+    this.timezone,
+    this.regionCode,
+  });
+
+  final String? nickname;
+  final String? avatarUrl;
+  final String? gender;
+  final String? birthday;
+  final String? language;
+  final String? timezone;
+  final String? regionCode;
+
+  /// 只发送本次有值的字段。
+  Map<String, dynamic> toJson() => {
+    if (nickname != null) 'nickname': nickname,
+    if (avatarUrl != null) 'avatarUrl': avatarUrl,
+    if (gender != null) 'gender': gender,
+    if (birthday != null) 'birthday': birthday,
+    if (language != null) 'language': language,
+    if (timezone != null) 'timezone': timezone,
+    if (regionCode != null) 'regionCode': regionCode,
+  };
+}