feat(account): 合并 K19 账号中心

lib/app.dart

@@ -6,6 +6,7 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import 'core/config/locale_controller.dart';
+import 'core/data/remote/account_api.dart';
 import 'core/data/remote/api_client.dart';
 import 'core/data/remote/auth_api.dart';
 import 'core/data/remote/catalog_api.dart';
@@ -18,6 +19,7 @@ import 'core/data/remote/notice_api.dart';
 import 'core/data/remote/playback_api.dart';
 import 'core/data/remote/watch_api.dart';
 import 'core/data/repositories/catalog_repository.dart';
+import 'core/data/repositories/account_repository.dart';
 import 'core/data/repositories/category_repository.dart';
 import 'core/data/repositories/comment_repository.dart';
 import 'core/data/repositories/download_repository.dart';
@@ -53,6 +55,7 @@ class LumaDramaApp extends StatefulWidget {
     this.commentRepository,
     this.interactionRepository,
     this.noticeRepository,
+    this.accountRepository,
     this.haptics = const FlutterHaptics(),
   });
 
@@ -68,6 +71,7 @@ class LumaDramaApp extends StatefulWidget {
   final CommentRepository? commentRepository;
   final InteractionRepository? interactionRepository;
   final NoticeRepository? noticeRepository;
+  final AccountRepository? accountRepository;
   final Haptics haptics;
 
   @override
@@ -138,6 +142,9 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
   late final NoticeRepository _noticeRepository =
       widget.noticeRepository ?? HttpNoticeRepository(NoticeApi(_apiClient));
 
+  late final AccountRepository _accountRepository =
+      widget.accountRepository ?? HttpAccountRepository(AccountApi(_apiClient));
+
   late final InteractionController _interactionController =
       InteractionController(_interactionRepository);
 
@@ -188,6 +195,7 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
         Provider<CommentRepository>.value(value: _commentRepository),
         Provider<InteractionRepository>.value(value: _interactionRepository),
         Provider<NoticeRepository>.value(value: _noticeRepository),
+        Provider<AccountRepository>.value(value: _accountRepository),
         Provider<Haptics>.value(value: widget.haptics),
         ChangeNotifierProvider(
           create: (_) => CatalogController(_catalogRepository)..load(),

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

@@ -0,0 +1,74 @@
+// 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

@@ -0,0 +1,101 @@
+// 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,
+  };
+}

lib/core/data/remote/account_api.dart

@@ -0,0 +1,52 @@
+// Author: fruit.com.cn
+
+import '../models/account_device.dart';
+import '../models/account_export.dart';
+import '../models/account_profile.dart';
+import 'api_client.dart';
+
+/// 个人中心接口：`/app/me*`。
+class AccountApi {
+  const AccountApi(this._client);
+
+  final ApiClient _client;
+
+  Future<AccountProfile> profile() async {
+    final data = await _client.get('/app/me');
+    return AccountProfile.fromJson(_map(data));
+  }
+
+  Future<AccountProfile> updateProfile(AccountProfileUpdate update) async {
+    final data = await _client.put('/app/me', body: update.toJson());
+    return AccountProfile.fromJson(_map(data));
+  }
+
+  Future<List<AccountDevice>> devices() async {
+    final data = await _client.get('/app/me/devices');
+    if (data is! List) return const [];
+    return [
+      for (final item in data)
+        if (item is Map) AccountDevice.fromJson(item.cast<String, dynamic>()),
+    ];
+  }
+
+  Future<AccountExport> export() async {
+    final data = await _client.get('/app/me/export');
+    return AccountExport.fromJson(_map(data));
+  }
+
+  Future<DateTime?> deactivate({String reason = ''}) async {
+    final data = await _client.post(
+      '/app/me/deactivate',
+      body: {'reason': reason.trim()},
+    );
+    return DateTime.tryParse(data?.toString() ?? '');
+  }
+
+  Future<void> cancelDeactivation() async {
+    await _client.post('/app/me/deactivate/cancel');
+  }
+
+  Map<String, dynamic> _map(Object? data) =>
+      data is Map ? data.cast<String, dynamic>() : const {};
+}

lib/core/data/repositories/account_repository.dart

@@ -0,0 +1,48 @@
+// Author: fruit.com.cn
+
+import '../models/account_device.dart';
+import '../models/account_export.dart';
+import '../models/account_profile.dart';
+import '../remote/account_api.dart';
+
+/// 账号中心的数据来源。
+abstract interface class AccountRepository {
+  Future<AccountProfile> profile();
+
+  Future<AccountProfile> updateProfile(AccountProfileUpdate update);
+
+  Future<List<AccountDevice>> devices();
+
+  Future<AccountExport> export();
+
+  Future<DateTime?> deactivate(String reason);
+
+  Future<void> cancelDeactivation();
+}
+
+/// HTTP 实现。
+class HttpAccountRepository implements AccountRepository {
+  const HttpAccountRepository(this._api);
+
+  final AccountApi _api;
+
+  @override
+  Future<AccountProfile> profile() => _api.profile();
+
+  @override
+  Future<AccountProfile> updateProfile(AccountProfileUpdate update) =>
+      _api.updateProfile(update);
+
+  @override
+  Future<List<AccountDevice>> devices() => _api.devices();
+
+  @override
+  Future<AccountExport> export() => _api.export();
+
+  @override
+  Future<DateTime?> deactivate(String reason) =>
+      _api.deactivate(reason: reason);
+
+  @override
+  Future<void> cancelDeactivation() => _api.cancelDeactivation();
+}

lib/core/data/services/auth_controller.dart

@@ -34,7 +34,10 @@ class AuthController extends ChangeNotifier {
     notifyListeners();
   }
 
-  Future<void> register({required String email, required String password}) async {
+  Future<void> register({
+    required String email,
+    required String password,
+  }) async {
     final session = await _api.register(
       email: email,
       password: password,
@@ -90,6 +93,20 @@ class AuthController extends ChangeNotifier {
     notifyListeners();
   }
 
+  /// 资料保存成功后同步登录态摘要，保留当前令牌。
+  Future<void> applyProfile(AuthUser user) async {
+    final current = _session;
+    if (current == null) return;
+    await _apply(
+      AuthSession(
+        accessToken: current.accessToken,
+        refreshToken: current.refreshToken,
+        expiresIn: current.expiresIn,
+        user: user,
+      ),
+    );
+  }
+
   Future<void> _apply(AuthSession session) async {
     _session = session;
     await _store.save(session);

lib/l10n/app_en.arb

@@ -386,5 +386,66 @@
       "position": {},
       "total": {}
     }
-  }
+  },
+  "accountCenter": "Account",
+  "accountProfile": "Profile",
+  "accountDevices": "Login devices",
+  "accountDataExport": "Data export",
+  "accountDeactivate": "Delete account",
+  "accountProfileLoadFailed": "Could not load your profile.",
+  "accountProfileSaveFailed": "Could not save your profile.",
+  "accountNickname": "Nickname",
+  "accountNicknameInvalid": "Enter 1 to 30 characters.",
+  "accountGender": "Gender",
+  "accountMale": "Male",
+  "accountFemale": "Female",
+  "accountUnknownGender": "Prefer not to say",
+  "accountSelectBirthday": "Set birthday",
+  "accountBirthdayHint": "Birthday can be set but not cleared in this version.",
+  "accountSaved": "Profile saved.",
+  "accountReadOnlyInfo": "Account information",
+  "accountUid": "UID",
+  "accountMaskedAccount": "Account",
+  "accountCountry": "Country",
+  "accountCurrency": "Currency",
+  "accountStatus": "Status",
+  "accountLanguage": "Language",
+  "accountTimezone": "Time zone",
+  "accountRegion": "Region",
+  "accountVipLevel": "VIP level",
+  "accountCreatedAt": "Registered",
+  "accountLastLogin": "Last login",
+  "accountDevicesEmpty": "No login devices found.",
+  "accountDevicesLoadFailed": "Could not load devices.",
+  "accountPlatform": "Platform",
+  "accountDeviceId": "Device ID",
+  "accountFirstSeen": "First seen",
+  "accountLastActive": "Last active",
+  "accountDeviceActive": "Active",
+  "accountDeviceInactive": "Inactive",
+  "accountExportLoadFailed": "Could not export account data.",
+  "accountCredentials": "Sign-in credentials",
+  "accountConsentRecords": "Consent records",
+  "accountDeviceCount": "Devices",
+  "accountCopyJson": "Copy full JSON",
+  "accountCopied": "Account data copied.",
+  "accountVerified": "Verified",
+  "accountUnverified": "Unverified",
+  "accountDeactivateWarning": "Requests enter a 15-day cooling-off period. All devices are signed out immediately.",
+  "accountDeactivateReason": "Reason (optional)",
+  "accountDeactivateReasonHint": "Tell us why you are leaving",
+  "accountRequestDeactivate": "Request account deletion",
+  "accountConfirmDeactivateTitle": "Request account deletion?",
+  "accountConfirmDeactivateMessage": "All devices will be signed out immediately. You can cancel during the 15-day cooling-off period after signing in again.",
+  "accountConfirmDeactivate": "Confirm",
+  "accountScheduledFor": "Deletion scheduled for {time}",
+  "@accountScheduledFor": {
+    "placeholders": {
+      "time": {}
+    }
+  },
+  "accountCancelDeactivation": "Cancel deletion request",
+  "accountCancelSucceeded": "Deletion request cancelled.",
+  "accountDeactivateFailed": "Could not request account deletion.",
+  "accountCancelFailed": "Could not cancel the deletion request."
 }

lib/l10n/app_id.arb

@@ -386,5 +386,66 @@
       "position": {},
       "total": {}
     }
-  }
+  },
+  "accountCenter": "Akun",
+  "accountProfile": "Profil",
+  "accountDevices": "Perangkat masuk",
+  "accountDataExport": "Ekspor data",
+  "accountDeactivate": "Hapus akun",
+  "accountProfileLoadFailed": "Profil gagal dimuat.",
+  "accountProfileSaveFailed": "Profil gagal disimpan.",
+  "accountNickname": "Nama panggilan",
+  "accountNicknameInvalid": "Masukkan 1 hingga 30 karakter.",
+  "accountGender": "Jenis kelamin",
+  "accountMale": "Laki-laki",
+  "accountFemale": "Perempuan",
+  "accountUnknownGender": "Tidak ingin menyebutkan",
+  "accountSelectBirthday": "Atur tanggal lahir",
+  "accountBirthdayHint": "Tanggal lahir dapat diatur, tetapi belum dapat dihapus pada versi ini.",
+  "accountSaved": "Profil disimpan.",
+  "accountReadOnlyInfo": "Informasi akun",
+  "accountUid": "UID",
+  "accountMaskedAccount": "Akun",
+  "accountCountry": "Negara",
+  "accountCurrency": "Mata uang",
+  "accountStatus": "Status",
+  "accountLanguage": "Bahasa",
+  "accountTimezone": "Zona waktu",
+  "accountRegion": "Wilayah",
+  "accountVipLevel": "Level VIP",
+  "accountCreatedAt": "Terdaftar",
+  "accountLastLogin": "Terakhir masuk",
+  "accountDevicesEmpty": "Belum ada perangkat yang masuk.",
+  "accountDevicesLoadFailed": "Perangkat gagal dimuat.",
+  "accountPlatform": "Platform",
+  "accountDeviceId": "ID perangkat",
+  "accountFirstSeen": "Pertama terlihat",
+  "accountLastActive": "Terakhir aktif",
+  "accountDeviceActive": "Aktif",
+  "accountDeviceInactive": "Tidak aktif",
+  "accountExportLoadFailed": "Data akun gagal diekspor.",
+  "accountCredentials": "Kredensial masuk",
+  "accountConsentRecords": "Catatan persetujuan",
+  "accountDeviceCount": "Perangkat",
+  "accountCopyJson": "Salin JSON lengkap",
+  "accountCopied": "Data akun disalin.",
+  "accountVerified": "Terverifikasi",
+  "accountUnverified": "Belum terverifikasi",
+  "accountDeactivateWarning": "Permintaan masuk masa tenang 15 hari. Semua perangkat langsung keluar.",
+  "accountDeactivateReason": "Alasan (opsional)",
+  "accountDeactivateReasonHint": "Beri tahu alasan kamu",
+  "accountRequestDeactivate": "Ajukan penghapusan akun",
+  "accountConfirmDeactivateTitle": "Ajukan penghapusan akun?",
+  "accountConfirmDeactivateMessage": "Semua perangkat akan langsung keluar. Setelah masuk lagi, kamu dapat membatalkannya selama masa tenang 15 hari.",
+  "accountConfirmDeactivate": "Konfirmasi",
+  "accountScheduledFor": "Penghapusan dijadwalkan pada {time}",
+  "@accountScheduledFor": {
+    "placeholders": {
+      "time": {}
+    }
+  },
+  "accountCancelDeactivation": "Batalkan permintaan penghapusan",
+  "accountCancelSucceeded": "Permintaan penghapusan dibatalkan.",
+  "accountDeactivateFailed": "Permintaan penghapusan gagal dikirim.",
+  "accountCancelFailed": "Permintaan penghapusan gagal dibatalkan."
 }

lib/l10n/app_localizations.dart

@@ -1677,6 +1677,342 @@ abstract class AppLocalizations {
   /// In en, this message translates to:
   /// **'Resume at {position} / {total}'**
   String resumeProgress(Object position, Object total);
+
+  /// No description provided for @accountCenter.
+  ///
+  /// In en, this message translates to:
+  /// **'Account'**
+  String get accountCenter;
+
+  /// No description provided for @accountProfile.
+  ///
+  /// In en, this message translates to:
+  /// **'Profile'**
+  String get accountProfile;
+
+  /// No description provided for @accountDevices.
+  ///
+  /// In en, this message translates to:
+  /// **'Login devices'**
+  String get accountDevices;
+
+  /// No description provided for @accountDataExport.
+  ///
+  /// In en, this message translates to:
+  /// **'Data export'**
+  String get accountDataExport;
+
+  /// No description provided for @accountDeactivate.
+  ///
+  /// In en, this message translates to:
+  /// **'Delete account'**
+  String get accountDeactivate;
+
+  /// No description provided for @accountProfileLoadFailed.
+  ///
+  /// In en, this message translates to:
+  /// **'Could not load your profile.'**
+  String get accountProfileLoadFailed;
+
+  /// No description provided for @accountProfileSaveFailed.
+  ///
+  /// In en, this message translates to:
+  /// **'Could not save your profile.'**
+  String get accountProfileSaveFailed;
+
+  /// No description provided for @accountNickname.
+  ///
+  /// In en, this message translates to:
+  /// **'Nickname'**
+  String get accountNickname;
+
+  /// No description provided for @accountNicknameInvalid.
+  ///
+  /// In en, this message translates to:
+  /// **'Enter 1 to 30 characters.'**
+  String get accountNicknameInvalid;
+
+  /// No description provided for @accountGender.
+  ///
+  /// In en, this message translates to:
+  /// **'Gender'**
+  String get accountGender;
+
+  /// No description provided for @accountMale.
+  ///
+  /// In en, this message translates to:
+  /// **'Male'**
+  String get accountMale;
+
+  /// No description provided for @accountFemale.
+  ///
+  /// In en, this message translates to:
+  /// **'Female'**
+  String get accountFemale;
+
+  /// No description provided for @accountUnknownGender.
+  ///
+  /// In en, this message translates to:
+  /// **'Prefer not to say'**
+  String get accountUnknownGender;
+
+  /// No description provided for @accountSelectBirthday.
+  ///
+  /// In en, this message translates to:
+  /// **'Set birthday'**
+  String get accountSelectBirthday;
+
+  /// No description provided for @accountBirthdayHint.
+  ///
+  /// In en, this message translates to:
+  /// **'Birthday can be set but not cleared in this version.'**
+  String get accountBirthdayHint;
+
+  /// No description provided for @accountSaved.
+  ///
+  /// In en, this message translates to:
+  /// **'Profile saved.'**
+  String get accountSaved;
+
+  /// No description provided for @accountReadOnlyInfo.
+  ///
+  /// In en, this message translates to:
+  /// **'Account information'**
+  String get accountReadOnlyInfo;
+
+  /// No description provided for @accountUid.
+  ///
+  /// In en, this message translates to:
+  /// **'UID'**
+  String get accountUid;
+
+  /// No description provided for @accountMaskedAccount.
+  ///
+  /// In en, this message translates to:
+  /// **'Account'**
+  String get accountMaskedAccount;
+
+  /// No description provided for @accountCountry.
+  ///
+  /// In en, this message translates to:
+  /// **'Country'**
+  String get accountCountry;
+
+  /// No description provided for @accountCurrency.
+  ///
+  /// In en, this message translates to:
+  /// **'Currency'**
+  String get accountCurrency;
+
+  /// No description provided for @accountStatus.
+  ///
+  /// In en, this message translates to:
+  /// **'Status'**
+  String get accountStatus;
+
+  /// No description provided for @accountLanguage.
+  ///
+  /// In en, this message translates to:
+  /// **'Language'**
+  String get accountLanguage;
+
+  /// No description provided for @accountTimezone.
+  ///
+  /// In en, this message translates to:
+  /// **'Time zone'**
+  String get accountTimezone;
+
+  /// No description provided for @accountRegion.
+  ///
+  /// In en, this message translates to:
+  /// **'Region'**
+  String get accountRegion;
+
+  /// No description provided for @accountVipLevel.
+  ///
+  /// In en, this message translates to:
+  /// **'VIP level'**
+  String get accountVipLevel;
+
+  /// No description provided for @accountCreatedAt.
+  ///
+  /// In en, this message translates to:
+  /// **'Registered'**
+  String get accountCreatedAt;
+
+  /// No description provided for @accountLastLogin.
+  ///
+  /// In en, this message translates to:
+  /// **'Last login'**
+  String get accountLastLogin;
+
+  /// No description provided for @accountDevicesEmpty.
+  ///
+  /// In en, this message translates to:
+  /// **'No login devices found.'**
+  String get accountDevicesEmpty;
+
+  /// No description provided for @accountDevicesLoadFailed.
+  ///
+  /// In en, this message translates to:
+  /// **'Could not load devices.'**
+  String get accountDevicesLoadFailed;
+
+  /// No description provided for @accountPlatform.
+  ///
+  /// In en, this message translates to:
+  /// **'Platform'**
+  String get accountPlatform;
+
+  /// No description provided for @accountDeviceId.
+  ///
+  /// In en, this message translates to:
+  /// **'Device ID'**
+  String get accountDeviceId;
+
+  /// No description provided for @accountFirstSeen.
+  ///
+  /// In en, this message translates to:
+  /// **'First seen'**
+  String get accountFirstSeen;
+
+  /// No description provided for @accountLastActive.
+  ///
+  /// In en, this message translates to:
+  /// **'Last active'**
+  String get accountLastActive;
+
+  /// No description provided for @accountDeviceActive.
+  ///
+  /// In en, this message translates to:
+  /// **'Active'**
+  String get accountDeviceActive;
+
+  /// No description provided for @accountDeviceInactive.
+  ///
+  /// In en, this message translates to:
+  /// **'Inactive'**
+  String get accountDeviceInactive;
+
+  /// No description provided for @accountExportLoadFailed.
+  ///
+  /// In en, this message translates to:
+  /// **'Could not export account data.'**
+  String get accountExportLoadFailed;
+
+  /// No description provided for @accountCredentials.
+  ///
+  /// In en, this message translates to:
+  /// **'Sign-in credentials'**
+  String get accountCredentials;
+
+  /// No description provided for @accountConsentRecords.
+  ///
+  /// In en, this message translates to:
+  /// **'Consent records'**
+  String get accountConsentRecords;
+
+  /// No description provided for @accountDeviceCount.
+  ///
+  /// In en, this message translates to:
+  /// **'Devices'**
+  String get accountDeviceCount;
+
+  /// No description provided for @accountCopyJson.
+  ///
+  /// In en, this message translates to:
+  /// **'Copy full JSON'**
+  String get accountCopyJson;
+
+  /// No description provided for @accountCopied.
+  ///
+  /// In en, this message translates to:
+  /// **'Account data copied.'**
+  String get accountCopied;
+
+  /// No description provided for @accountVerified.
+  ///
+  /// In en, this message translates to:
+  /// **'Verified'**
+  String get accountVerified;
+
+  /// No description provided for @accountUnverified.
+  ///
+  /// In en, this message translates to:
+  /// **'Unverified'**
+  String get accountUnverified;
+
+  /// No description provided for @accountDeactivateWarning.
+  ///
+  /// In en, this message translates to:
+  /// **'Requests enter a 15-day cooling-off period. All devices are signed out immediately.'**
+  String get accountDeactivateWarning;
+
+  /// No description provided for @accountDeactivateReason.
+  ///
+  /// In en, this message translates to:
+  /// **'Reason (optional)'**
+  String get accountDeactivateReason;
+
+  /// No description provided for @accountDeactivateReasonHint.
+  ///
+  /// In en, this message translates to:
+  /// **'Tell us why you are leaving'**
+  String get accountDeactivateReasonHint;
+
+  /// No description provided for @accountRequestDeactivate.
+  ///
+  /// In en, this message translates to:
+  /// **'Request account deletion'**
+  String get accountRequestDeactivate;
+
+  /// No description provided for @accountConfirmDeactivateTitle.
+  ///
+  /// In en, this message translates to:
+  /// **'Request account deletion?'**
+  String get accountConfirmDeactivateTitle;
+
+  /// No description provided for @accountConfirmDeactivateMessage.
+  ///
+  /// In en, this message translates to:
+  /// **'All devices will be signed out immediately. You can cancel during the 15-day cooling-off period after signing in again.'**
+  String get accountConfirmDeactivateMessage;
+
+  /// No description provided for @accountConfirmDeactivate.
+  ///
+  /// In en, this message translates to:
+  /// **'Confirm'**
+  String get accountConfirmDeactivate;
+
+  /// No description provided for @accountScheduledFor.
+  ///
+  /// In en, this message translates to:
+  /// **'Deletion scheduled for {time}'**
+  String accountScheduledFor(Object time);
+
+  /// No description provided for @accountCancelDeactivation.
+  ///
+  /// In en, this message translates to:
+  /// **'Cancel deletion request'**
+  String get accountCancelDeactivation;
+
+  /// No description provided for @accountCancelSucceeded.
+  ///
+  /// In en, this message translates to:
+  /// **'Deletion request cancelled.'**
+  String get accountCancelSucceeded;
+
+  /// No description provided for @accountDeactivateFailed.
+  ///
+  /// In en, this message translates to:
+  /// **'Could not request account deletion.'**
+  String get accountDeactivateFailed;
+
+  /// No description provided for @accountCancelFailed.
+  ///
+  /// In en, this message translates to:
+  /// **'Could not cancel the deletion request.'**
+  String get accountCancelFailed;
 }
 
 class _AppLocalizationsDelegate

lib/l10n/app_localizations_en.dart

@@ -849,4 +849,177 @@ class AppLocalizationsEn extends AppLocalizations {
   String resumeProgress(Object position, Object total) {
     return 'Resume at $position / $total';
   }
+
+  @override
+  String get accountCenter => 'Account';
+
+  @override
+  String get accountProfile => 'Profile';
+
+  @override
+  String get accountDevices => 'Login devices';
+
+  @override
+  String get accountDataExport => 'Data export';
+
+  @override
+  String get accountDeactivate => 'Delete account';
+
+  @override
+  String get accountProfileLoadFailed => 'Could not load your profile.';
+
+  @override
+  String get accountProfileSaveFailed => 'Could not save your profile.';
+
+  @override
+  String get accountNickname => 'Nickname';
+
+  @override
+  String get accountNicknameInvalid => 'Enter 1 to 30 characters.';
+
+  @override
+  String get accountGender => 'Gender';
+
+  @override
+  String get accountMale => 'Male';
+
+  @override
+  String get accountFemale => 'Female';
+
+  @override
+  String get accountUnknownGender => 'Prefer not to say';
+
+  @override
+  String get accountSelectBirthday => 'Set birthday';
+
+  @override
+  String get accountBirthdayHint =>
+      'Birthday can be set but not cleared in this version.';
+
+  @override
+  String get accountSaved => 'Profile saved.';
+
+  @override
+  String get accountReadOnlyInfo => 'Account information';
+
+  @override
+  String get accountUid => 'UID';
+
+  @override
+  String get accountMaskedAccount => 'Account';
+
+  @override
+  String get accountCountry => 'Country';
+
+  @override
+  String get accountCurrency => 'Currency';
+
+  @override
+  String get accountStatus => 'Status';
+
+  @override
+  String get accountLanguage => 'Language';
+
+  @override
+  String get accountTimezone => 'Time zone';
+
+  @override
+  String get accountRegion => 'Region';
+
+  @override
+  String get accountVipLevel => 'VIP level';
+
+  @override
+  String get accountCreatedAt => 'Registered';
+
+  @override
+  String get accountLastLogin => 'Last login';
+
+  @override
+  String get accountDevicesEmpty => 'No login devices found.';
+
+  @override
+  String get accountDevicesLoadFailed => 'Could not load devices.';
+
+  @override
+  String get accountPlatform => 'Platform';
+
+  @override
+  String get accountDeviceId => 'Device ID';
+
+  @override
+  String get accountFirstSeen => 'First seen';
+
+  @override
+  String get accountLastActive => 'Last active';
+
+  @override
+  String get accountDeviceActive => 'Active';
+
+  @override
+  String get accountDeviceInactive => 'Inactive';
+
+  @override
+  String get accountExportLoadFailed => 'Could not export account data.';
+
+  @override
+  String get accountCredentials => 'Sign-in credentials';
+
+  @override
+  String get accountConsentRecords => 'Consent records';
+
+  @override
+  String get accountDeviceCount => 'Devices';
+
+  @override
+  String get accountCopyJson => 'Copy full JSON';
+
+  @override
+  String get accountCopied => 'Account data copied.';
+
+  @override
+  String get accountVerified => 'Verified';
+
+  @override
+  String get accountUnverified => 'Unverified';
+
+  @override
+  String get accountDeactivateWarning =>
+      'Requests enter a 15-day cooling-off period. All devices are signed out immediately.';
+
+  @override
+  String get accountDeactivateReason => 'Reason (optional)';
+
+  @override
+  String get accountDeactivateReasonHint => 'Tell us why you are leaving';
+
+  @override
+  String get accountRequestDeactivate => 'Request account deletion';
+
+  @override
+  String get accountConfirmDeactivateTitle => 'Request account deletion?';
+
+  @override
+  String get accountConfirmDeactivateMessage =>
+      'All devices will be signed out immediately. You can cancel during the 15-day cooling-off period after signing in again.';
+
+  @override
+  String get accountConfirmDeactivate => 'Confirm';
+
+  @override
+  String accountScheduledFor(Object time) {
+    return 'Deletion scheduled for $time';
+  }
+
+  @override
+  String get accountCancelDeactivation => 'Cancel deletion request';
+
+  @override
+  String get accountCancelSucceeded => 'Deletion request cancelled.';
+
+  @override
+  String get accountDeactivateFailed => 'Could not request account deletion.';
+
+  @override
+  String get accountCancelFailed => 'Could not cancel the deletion request.';
 }

lib/l10n/app_localizations_id.dart

@@ -848,4 +848,177 @@ class AppLocalizationsId extends AppLocalizations {
   String resumeProgress(Object position, Object total) {
     return 'Lanjut di $position / $total';
   }
+
+  @override
+  String get accountCenter => 'Akun';
+
+  @override
+  String get accountProfile => 'Profil';
+
+  @override
+  String get accountDevices => 'Perangkat masuk';
+
+  @override
+  String get accountDataExport => 'Ekspor data';
+
+  @override
+  String get accountDeactivate => 'Hapus akun';
+
+  @override
+  String get accountProfileLoadFailed => 'Profil gagal dimuat.';
+
+  @override
+  String get accountProfileSaveFailed => 'Profil gagal disimpan.';
+
+  @override
+  String get accountNickname => 'Nama panggilan';
+
+  @override
+  String get accountNicknameInvalid => 'Masukkan 1 hingga 30 karakter.';
+
+  @override
+  String get accountGender => 'Jenis kelamin';
+
+  @override
+  String get accountMale => 'Laki-laki';
+
+  @override
+  String get accountFemale => 'Perempuan';
+
+  @override
+  String get accountUnknownGender => 'Tidak ingin menyebutkan';
+
+  @override
+  String get accountSelectBirthday => 'Atur tanggal lahir';
+
+  @override
+  String get accountBirthdayHint =>
+      'Tanggal lahir dapat diatur, tetapi belum dapat dihapus pada versi ini.';
+
+  @override
+  String get accountSaved => 'Profil disimpan.';
+
+  @override
+  String get accountReadOnlyInfo => 'Informasi akun';
+
+  @override
+  String get accountUid => 'UID';
+
+  @override
+  String get accountMaskedAccount => 'Akun';
+
+  @override
+  String get accountCountry => 'Negara';
+
+  @override
+  String get accountCurrency => 'Mata uang';
+
+  @override
+  String get accountStatus => 'Status';
+
+  @override
+  String get accountLanguage => 'Bahasa';
+
+  @override
+  String get accountTimezone => 'Zona waktu';
+
+  @override
+  String get accountRegion => 'Wilayah';
+
+  @override
+  String get accountVipLevel => 'Level VIP';
+
+  @override
+  String get accountCreatedAt => 'Terdaftar';
+
+  @override
+  String get accountLastLogin => 'Terakhir masuk';
+
+  @override
+  String get accountDevicesEmpty => 'Belum ada perangkat yang masuk.';
+
+  @override
+  String get accountDevicesLoadFailed => 'Perangkat gagal dimuat.';
+
+  @override
+  String get accountPlatform => 'Platform';
+
+  @override
+  String get accountDeviceId => 'ID perangkat';
+
+  @override
+  String get accountFirstSeen => 'Pertama terlihat';
+
+  @override
+  String get accountLastActive => 'Terakhir aktif';
+
+  @override
+  String get accountDeviceActive => 'Aktif';
+
+  @override
+  String get accountDeviceInactive => 'Tidak aktif';
+
+  @override
+  String get accountExportLoadFailed => 'Data akun gagal diekspor.';
+
+  @override
+  String get accountCredentials => 'Kredensial masuk';
+
+  @override
+  String get accountConsentRecords => 'Catatan persetujuan';
+
+  @override
+  String get accountDeviceCount => 'Perangkat';
+
+  @override
+  String get accountCopyJson => 'Salin JSON lengkap';
+
+  @override
+  String get accountCopied => 'Data akun disalin.';
+
+  @override
+  String get accountVerified => 'Terverifikasi';
+
+  @override
+  String get accountUnverified => 'Belum terverifikasi';
+
+  @override
+  String get accountDeactivateWarning =>
+      'Permintaan masuk masa tenang 15 hari. Semua perangkat langsung keluar.';
+
+  @override
+  String get accountDeactivateReason => 'Alasan (opsional)';
+
+  @override
+  String get accountDeactivateReasonHint => 'Beri tahu alasan kamu';
+
+  @override
+  String get accountRequestDeactivate => 'Ajukan penghapusan akun';
+
+  @override
+  String get accountConfirmDeactivateTitle => 'Ajukan penghapusan akun?';
+
+  @override
+  String get accountConfirmDeactivateMessage =>
+      'Semua perangkat akan langsung keluar. Setelah masuk lagi, kamu dapat membatalkannya selama masa tenang 15 hari.';
+
+  @override
+  String get accountConfirmDeactivate => 'Konfirmasi';
+
+  @override
+  String accountScheduledFor(Object time) {
+    return 'Penghapusan dijadwalkan pada $time';
+  }
+
+  @override
+  String get accountCancelDeactivation => 'Batalkan permintaan penghapusan';
+
+  @override
+  String get accountCancelSucceeded => 'Permintaan penghapusan dibatalkan.';
+
+  @override
+  String get accountDeactivateFailed => 'Permintaan penghapusan gagal dikirim.';
+
+  @override
+  String get accountCancelFailed => 'Permintaan penghapusan gagal dibatalkan.';
 }

lib/l10n/app_localizations_zh.dart

@@ -832,4 +832,175 @@ class AppLocalizationsZh extends AppLocalizations {
   String resumeProgress(Object position, Object total) {
     return '续看至 $position / $total';
   }
+
+  @override
+  String get accountCenter => '账号';
+
+  @override
+  String get accountProfile => '个人资料';
+
+  @override
+  String get accountDevices => '登录设备';
+
+  @override
+  String get accountDataExport => '数据导出';
+
+  @override
+  String get accountDeactivate => '注销账号';
+
+  @override
+  String get accountProfileLoadFailed => '个人资料加载失败。';
+
+  @override
+  String get accountProfileSaveFailed => '个人资料保存失败。';
+
+  @override
+  String get accountNickname => '昵称';
+
+  @override
+  String get accountNicknameInvalid => '请输入 1 至 30 个字符。';
+
+  @override
+  String get accountGender => '性别';
+
+  @override
+  String get accountMale => '男';
+
+  @override
+  String get accountFemale => '女';
+
+  @override
+  String get accountUnknownGender => '不愿透露';
+
+  @override
+  String get accountSelectBirthday => '设置生日';
+
+  @override
+  String get accountBirthdayHint => '当前版本只能设置生日，不能清空。';
+
+  @override
+  String get accountSaved => '个人资料已保存。';
+
+  @override
+  String get accountReadOnlyInfo => '账号信息';
+
+  @override
+  String get accountUid => 'UID';
+
+  @override
+  String get accountMaskedAccount => '账号';
+
+  @override
+  String get accountCountry => '国家';
+
+  @override
+  String get accountCurrency => '币种';
+
+  @override
+  String get accountStatus => '状态';
+
+  @override
+  String get accountLanguage => '语言';
+
+  @override
+  String get accountTimezone => '时区';
+
+  @override
+  String get accountRegion => '地区';
+
+  @override
+  String get accountVipLevel => 'VIP 等级';
+
+  @override
+  String get accountCreatedAt => '注册时间';
+
+  @override
+  String get accountLastLogin => '最近登录';
+
+  @override
+  String get accountDevicesEmpty => '暂无登录设备。';
+
+  @override
+  String get accountDevicesLoadFailed => '登录设备加载失败。';
+
+  @override
+  String get accountPlatform => '平台';
+
+  @override
+  String get accountDeviceId => '设备号';
+
+  @override
+  String get accountFirstSeen => '首次登录';
+
+  @override
+  String get accountLastActive => '最近活跃';
+
+  @override
+  String get accountDeviceActive => '活跃';
+
+  @override
+  String get accountDeviceInactive => '不活跃';
+
+  @override
+  String get accountExportLoadFailed => '账号数据导出失败。';
+
+  @override
+  String get accountCredentials => '登录凭据';
+
+  @override
+  String get accountConsentRecords => '授权记录';
+
+  @override
+  String get accountDeviceCount => '设备数';
+
+  @override
+  String get accountCopyJson => '复制完整 JSON';
+
+  @override
+  String get accountCopied => '账号数据已复制。';
+
+  @override
+  String get accountVerified => '已验证';
+
+  @override
+  String get accountUnverified => '未验证';
+
+  @override
+  String get accountDeactivateWarning => '提交后进入 15 天冷静期，所有设备会立即退出登录。';
+
+  @override
+  String get accountDeactivateReason => '注销原因（选填）';
+
+  @override
+  String get accountDeactivateReasonHint => '告诉我们你离开的原因';
+
+  @override
+  String get accountRequestDeactivate => '申请注销账号';
+
+  @override
+  String get accountConfirmDeactivateTitle => '确认申请注销？';
+
+  @override
+  String get accountConfirmDeactivateMessage =>
+      '所有设备会立即退出登录。重新登录后，可在 15 天冷静期内撤销申请。';
+
+  @override
+  String get accountConfirmDeactivate => '确认注销';
+
+  @override
+  String accountScheduledFor(Object time) {
+    return '预计注销时间：$time';
+  }
+
+  @override
+  String get accountCancelDeactivation => '撤销注销申请';
+
+  @override
+  String get accountCancelSucceeded => '注销申请已撤销。';
+
+  @override
+  String get accountDeactivateFailed => '注销申请提交失败。';
+
+  @override
+  String get accountCancelFailed => '注销申请撤销失败。';
 }

lib/l10n/app_zh.arb

@@ -348,5 +348,66 @@
       "position": {},
       "total": {}
     }
-  }
+  },
+  "accountCenter": "账号",
+  "accountProfile": "个人资料",
+  "accountDevices": "登录设备",
+  "accountDataExport": "数据导出",
+  "accountDeactivate": "注销账号",
+  "accountProfileLoadFailed": "个人资料加载失败。",
+  "accountProfileSaveFailed": "个人资料保存失败。",
+  "accountNickname": "昵称",
+  "accountNicknameInvalid": "请输入 1 至 30 个字符。",
+  "accountGender": "性别",
+  "accountMale": "男",
+  "accountFemale": "女",
+  "accountUnknownGender": "不愿透露",
+  "accountSelectBirthday": "设置生日",
+  "accountBirthdayHint": "当前版本只能设置生日，不能清空。",
+  "accountSaved": "个人资料已保存。",
+  "accountReadOnlyInfo": "账号信息",
+  "accountUid": "UID",
+  "accountMaskedAccount": "账号",
+  "accountCountry": "国家",
+  "accountCurrency": "币种",
+  "accountStatus": "状态",
+  "accountLanguage": "语言",
+  "accountTimezone": "时区",
+  "accountRegion": "地区",
+  "accountVipLevel": "VIP 等级",
+  "accountCreatedAt": "注册时间",
+  "accountLastLogin": "最近登录",
+  "accountDevicesEmpty": "暂无登录设备。",
+  "accountDevicesLoadFailed": "登录设备加载失败。",
+  "accountPlatform": "平台",
+  "accountDeviceId": "设备号",
+  "accountFirstSeen": "首次登录",
+  "accountLastActive": "最近活跃",
+  "accountDeviceActive": "活跃",
+  "accountDeviceInactive": "不活跃",
+  "accountExportLoadFailed": "账号数据导出失败。",
+  "accountCredentials": "登录凭据",
+  "accountConsentRecords": "授权记录",
+  "accountDeviceCount": "设备数",
+  "accountCopyJson": "复制完整 JSON",
+  "accountCopied": "账号数据已复制。",
+  "accountVerified": "已验证",
+  "accountUnverified": "未验证",
+  "accountDeactivateWarning": "提交后进入 15 天冷静期，所有设备会立即退出登录。",
+  "accountDeactivateReason": "注销原因（选填）",
+  "accountDeactivateReasonHint": "告诉我们你离开的原因",
+  "accountRequestDeactivate": "申请注销账号",
+  "accountConfirmDeactivateTitle": "确认申请注销？",
+  "accountConfirmDeactivateMessage": "所有设备会立即退出登录。重新登录后，可在 15 天冷静期内撤销申请。",
+  "accountConfirmDeactivate": "确认注销",
+  "accountScheduledFor": "预计注销时间：{time}",
+  "@accountScheduledFor": {
+    "placeholders": {
+      "time": {}
+    }
+  },
+  "accountCancelDeactivation": "撤销注销申请",
+  "accountCancelSucceeded": "注销申请已撤销。",
+  "accountDeactivateFailed": "注销申请提交失败。",
+  "accountCancelFailed": "注销申请撤销失败。"
 }

lib/pages/account/account_bindings.dart

@@ -0,0 +1,40 @@
+// Author: fruit.com.cn
+
+import '../../core/data/models/account_profile.dart';
+import '../../core/data/repositories/account_repository.dart';
+import '../../core/data/services/auth_controller.dart';
+import 'account_deactivate_logic.dart';
+import 'account_devices_logic.dart';
+import 'account_export_logic.dart';
+import 'account_profile_logic.dart';
+
+/// 账号中心页面依赖装配。
+class AccountProfileBinding {
+  AccountProfileLogic create(
+    AccountRepository repository,
+    AuthController auth,
+  ) => AccountProfileLogic(
+    repository,
+    onProfileUpdated: (AccountProfile profile) =>
+        auth.applyProfile(profile.toAuthUser()),
+  );
+}
+
+class AccountDevicesBinding {
+  AccountDevicesLogic create(AccountRepository repository) =>
+      AccountDevicesLogic(repository);
+}
+
+class AccountExportBinding {
+  AccountExportLogic create(
+    AccountRepository repository,
+    Future<void> Function(String text) copyText,
+  ) => AccountExportLogic(repository, copyText: copyText);
+}
+
+class AccountDeactivateBinding {
+  AccountDeactivateLogic create(
+    AccountRepository repository,
+    AuthController auth,
+  ) => AccountDeactivateLogic(repository, clearSession: auth.clear);
+}

lib/pages/account/account_deactivate_logic.dart

@@ -0,0 +1,82 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/foundation.dart';
+
+import '../../core/data/remote/api_client.dart';
+import '../../core/data/repositories/account_repository.dart';
+
+/// 注销申请与撤销状态。
+class AccountDeactivateLogic extends ChangeNotifier {
+  AccountDeactivateLogic(this._repository, {required this.clearSession});
+
+  static const maxReasonLength = 200;
+
+  final AccountRepository _repository;
+  final Future<void> Function() clearSession;
+  DateTime? scheduledAt;
+  bool requesting = false;
+  bool cancelling = false;
+  String? error;
+  String? actionMessage;
+  bool cancelSucceeded = false;
+  bool _disposed = false;
+
+  /// 申请注销；成功后立即清理本地会话。
+  Future<bool> request(String reason) async {
+    requesting = true;
+    error = null;
+    cancelSucceeded = false;
+    _notify();
+    try {
+      scheduledAt = await _repository.deactivate(
+        reason.trim().substring(
+          0,
+          reason.trim().length > maxReasonLength
+              ? maxReasonLength
+              : reason.trim().length,
+        ),
+      );
+      await clearSession();
+      return true;
+    } catch (failure) {
+      error = failure is ApiException
+          ? failure.message
+          : 'accountDeactivateFailed';
+      return false;
+    } finally {
+      requesting = false;
+      _notify();
+    }
+  }
+
+  /// 撤销待处理申请；失败时保留后端文案。
+  Future<bool> cancel() async {
+    cancelling = true;
+    actionMessage = null;
+    cancelSucceeded = false;
+    _notify();
+    try {
+      await _repository.cancelDeactivation();
+      cancelSucceeded = true;
+      return true;
+    } catch (failure) {
+      actionMessage = failure is ApiException
+          ? failure.message
+          : 'accountCancelFailed';
+      return false;
+    } finally {
+      cancelling = false;
+      _notify();
+    }
+  }
+
+  void _notify() {
+    if (!_disposed) notifyListeners();
+  }
+
+  @override
+  void dispose() {
+    _disposed = true;
+    super.dispose();
+  }
+}

lib/pages/account/account_deactivate_page.dart

@@ -0,0 +1,210 @@
+// Author: fruit.com.cn
+
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../../core/data/repositories/account_repository.dart';
+import '../../core/data/services/auth_controller.dart';
+import '../../core/formatting/localized_date_time.dart';
+import '../../core/theme/app_colors.dart';
+import '../../core/theme/app_theme.dart';
+import '../../core/widgets/auth_gate.dart';
+import '../../l10n/app_localizations.dart';
+import 'account_bindings.dart';
+import 'account_deactivate_logic.dart';
+
+/// 注销申请与冷静期撤销页。
+class AccountDeactivatePage extends StatefulWidget {
+  const AccountDeactivatePage({super.key});
+
+  @override
+  State<AccountDeactivatePage> createState() => _AccountDeactivatePageState();
+}
+
+class _AccountDeactivatePageState extends State<AccountDeactivatePage> {
+  late final AccountDeactivateLogic _logic;
+  final _reason = TextEditingController();
+
+  @override
+  void initState() {
+    super.initState();
+    _logic = AccountDeactivateBinding().create(
+      context.read<AccountRepository>(),
+      context.read<AuthController>(),
+    );
+  }
+
+  @override
+  void dispose() {
+    _logic.dispose();
+    _reason.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = AppLocalizations.of(context)!;
+    final signedIn = context.watch<AuthController>().isSignedIn;
+    final canShow = signedIn || _logic.scheduledAt != null;
+    return Theme(
+      data: AppTheme.dark(),
+      child: Scaffold(
+        key: const Key('account-deactivate-page'),
+        backgroundColor: AppColors.ink,
+        appBar: AppBar(
+          backgroundColor: AppColors.ink,
+          foregroundColor: AppColors.onPrimary,
+          title: Text(l10n.accountDeactivate),
+        ),
+        body: canShow
+            ? ListenableBuilder(
+                listenable: _logic,
+                builder: (context, _) => _body(l10n),
+              )
+            : const AuthGatePanel(),
+      ),
+    );
+  }
+
+  Widget _body(AppLocalizations l10n) {
+    return ListView(
+      padding: const EdgeInsets.fromLTRB(16, 12, 16, 28),
+      children: [
+        _warning(l10n),
+        const SizedBox(height: 14),
+        if (_logic.scheduledAt != null)
+          _scheduledPanel(l10n)
+        else
+          _requestPanel(l10n),
+        const SizedBox(height: 14),
+        _cancelPanel(l10n),
+      ],
+    );
+  }
+
+  Widget _warning(AppLocalizations l10n) {
+    final errorColor = Theme.of(context).colorScheme.error;
+    return Container(
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: errorColor.withValues(alpha: 0.10),
+        borderRadius: BorderRadius.circular(14),
+        border: Border.all(color: errorColor.withValues(alpha: 0.35)),
+      ),
+      child: Text(
+        l10n.accountDeactivateWarning,
+        style: TextStyle(color: errorColor, height: 1.5),
+      ),
+    );
+  }
+
+  Widget _scheduledPanel(AppLocalizations l10n) => Container(
+    key: const Key('account-deactivate-scheduled'),
+    padding: const EdgeInsets.all(16),
+    decoration: BoxDecoration(
+      color: AppColors.card,
+      borderRadius: BorderRadius.circular(14),
+    ),
+    child: Text(
+      l10n.accountScheduledFor(
+        formatLocalizedDateTime(context, _logic.scheduledAt!),
+      ),
+    ),
+  );
+
+  Widget _requestPanel(AppLocalizations l10n) => Column(
+    children: [
+      TextField(
+        key: const Key('account-deactivate-reason'),
+        controller: _reason,
+        maxLength: AccountDeactivateLogic.maxReasonLength,
+        maxLines: 4,
+        decoration: InputDecoration(
+          labelText: l10n.accountDeactivateReason,
+          hintText: l10n.accountDeactivateReasonHint,
+        ),
+      ),
+      if (_logic.error != null)
+        _errorText(_message(l10n, _logic.error, l10n.accountDeactivateFailed)),
+      const SizedBox(height: 12),
+      FilledButton(
+        key: const Key('account-deactivate-submit'),
+        onPressed: _logic.requesting ? null : _confirm,
+        child: _logic.requesting
+            ? const SizedBox(
+                width: 18,
+                height: 18,
+                child: CircularProgressIndicator(strokeWidth: 2),
+              )
+            : Text(l10n.accountRequestDeactivate),
+      ),
+    ],
+  );
+
+  Widget _cancelPanel(AppLocalizations l10n) => Column(
+    children: [
+      OutlinedButton(
+        key: const Key('account-deactivate-cancel'),
+        onPressed: _logic.cancelling ? null : _cancel,
+        child: Text(l10n.accountCancelDeactivation),
+      ),
+      if (_logic.actionMessage != null) ...[
+        const SizedBox(height: 8),
+        _errorText(
+          _message(l10n, _logic.actionMessage, l10n.accountCancelFailed),
+        ),
+      ],
+    ],
+  );
+
+  Widget _errorText(String value) => Text(
+    value,
+    style: TextStyle(color: Theme.of(context).colorScheme.error, fontSize: 12),
+  );
+
+  Future<void> _confirm() async {
+    final l10n = AppLocalizations.of(context)!;
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (dialogContext) => AlertDialog(
+        title: Text(l10n.accountConfirmDeactivateTitle),
+        content: Text(l10n.accountConfirmDeactivateMessage),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(dialogContext).pop(false),
+            child: Text(l10n.cancel),
+          ),
+          FilledButton(
+            key: const Key('account-deactivate-confirm'),
+            onPressed: () => Navigator.of(dialogContext).pop(true),
+            child: Text(l10n.accountConfirmDeactivate),
+          ),
+        ],
+      ),
+    );
+    if (confirmed != true) return;
+    await _logic.request(_reason.text);
+  }
+
+  Future<void> _cancel() async {
+    final ok = await _logic.cancel();
+    if (!mounted) return;
+    final l10n = AppLocalizations.of(context)!;
+    if (ok) {
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(SnackBar(content: Text(l10n.accountCancelSucceeded)));
+    }
+  }
+
+  String _message(AppLocalizations l10n, String? value, String fallback) {
+    if (value == null || value.isEmpty) return fallback;
+    return switch (value) {
+      'accountDeactivateFailed' => l10n.accountDeactivateFailed,
+      'accountCancelFailed' => l10n.accountCancelFailed,
+      _ => value,
+    };
+  }
+}

lib/pages/account/account_devices_logic.dart

@@ -0,0 +1,45 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/foundation.dart';
+
+import '../../core/data/models/account_device.dart';
+import '../../core/data/remote/api_client.dart';
+import '../../core/data/repositories/account_repository.dart';
+
+/// 只读登录设备列表状态。
+class AccountDevicesLogic extends ChangeNotifier {
+  AccountDevicesLogic(this._repository);
+
+  final AccountRepository _repository;
+  List<AccountDevice> devices = const [];
+  bool loading = false;
+  String? error;
+  bool _disposed = false;
+
+  /// 拉取当前账号的设备列表。
+  Future<void> load() async {
+    loading = true;
+    error = null;
+    _notify();
+    try {
+      devices = await _repository.devices();
+    } catch (failure) {
+      error = failure is ApiException
+          ? failure.message
+          : 'accountDevicesLoadFailed';
+    } finally {
+      loading = false;
+      _notify();
+    }
+  }
+
+  void _notify() {
+    if (!_disposed) notifyListeners();
+  }
+
+  @override
+  void dispose() {
+    _disposed = true;
+    super.dispose();
+  }
+}

lib/pages/account/account_devices_page.dart

@@ -0,0 +1,216 @@
+// Author: fruit.com.cn
+
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../../core/data/models/account_device.dart';
+import '../../core/data/repositories/account_repository.dart';
+import '../../core/data/services/auth_controller.dart';
+import '../../core/formatting/error_text.dart';
+import '../../core/formatting/localized_date_time.dart';
+import '../../core/theme/app_colors.dart';
+import '../../core/theme/app_theme.dart';
+import '../../core/widgets/auth_gate.dart';
+import '../../core/widgets/empty_state.dart';
+import '../../l10n/app_localizations.dart';
+import 'account_bindings.dart';
+import 'account_devices_logic.dart';
+
+const _maskVisible = 4;
+
+/// 登录设备只读列表页。
+class AccountDevicesPage extends StatefulWidget {
+  const AccountDevicesPage({super.key});
+
+  @override
+  State<AccountDevicesPage> createState() => _AccountDevicesPageState();
+}
+
+class _AccountDevicesPageState extends State<AccountDevicesPage> {
+  late final AccountDevicesLogic _logic;
+
+  @override
+  void initState() {
+    super.initState();
+    _logic = AccountDevicesBinding().create(context.read<AccountRepository>());
+    unawaited(_logic.load());
+  }
+
+  @override
+  void dispose() {
+    _logic.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = AppLocalizations.of(context)!;
+    final signedIn = context.watch<AuthController>().isSignedIn;
+    return Theme(
+      data: AppTheme.dark(),
+      child: Scaffold(
+        key: const Key('account-devices-page'),
+        backgroundColor: AppColors.ink,
+        appBar: AppBar(
+          backgroundColor: AppColors.ink,
+          foregroundColor: AppColors.onPrimary,
+          title: Text(l10n.accountDevices),
+        ),
+        body: signedIn
+            ? ListenableBuilder(
+                listenable: _logic,
+                builder: (context, _) => _body(l10n),
+              )
+            : const AuthGatePanel(),
+      ),
+    );
+  }
+
+  Widget _body(AppLocalizations l10n) {
+    if (_logic.loading && _logic.devices.isEmpty) {
+      return const Center(child: CircularProgressIndicator());
+    }
+    if (_logic.error != null && _logic.devices.isEmpty) {
+      return EmptyState(
+        key: const Key('account-devices-error'),
+        icon: Icons.cloud_off_rounded,
+        title: errorText(l10n, _logic.error, l10n.accountDevicesLoadFailed),
+        actionLabel: l10n.retry,
+        actionKey: const Key('account-devices-retry'),
+        onAction: _logic.load,
+      );
+    }
+    if (_logic.devices.isEmpty) {
+      return EmptyState(
+        key: const Key('account-devices-empty'),
+        icon: Icons.devices_other_rounded,
+        title: l10n.accountDevicesEmpty,
+      );
+    }
+    return ListView.separated(
+      padding: const EdgeInsets.fromLTRB(16, 12, 16, 28),
+      itemCount: _logic.devices.length,
+      separatorBuilder: (_, _) => const SizedBox(height: 10),
+      itemBuilder: (_, index) =>
+          _DeviceTile(device: _logic.devices[index], l10n: l10n),
+    );
+  }
+}
+
+class _DeviceTile extends StatelessWidget {
+  const _DeviceTile({required this.device, required this.l10n});
+
+  final AccountDevice device;
+  final AppLocalizations l10n;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      key: ValueKey('account-device-${device.id}'),
+      padding: const EdgeInsets.all(14),
+      decoration: BoxDecoration(
+        color: AppColors.card,
+        borderRadius: BorderRadius.circular(14),
+        border: Border.all(color: AppColors.outlineVariantDark),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Row(
+            children: [
+              const Icon(
+                Icons.phone_android_rounded,
+                color: AppColors.blueSoft,
+              ),
+              const SizedBox(width: 8),
+              Expanded(
+                child: Text(
+                  device.deviceModel.isEmpty
+                      ? device.platform
+                      : device.deviceModel,
+                  style: const TextStyle(
+                    fontSize: 15,
+                    fontWeight: FontWeight.w700,
+                  ),
+                ),
+              ),
+              _StatusChip(status: device.status, l10n: l10n),
+            ],
+          ),
+          const SizedBox(height: 10),
+          _line(l10n.accountPlatform, device.platform),
+          _line(l10n.accountDeviceId, _maskDeviceId(device.deviceId)),
+          if (device.firstSeenAt != null)
+            _line(
+              l10n.accountFirstSeen,
+              formatLocalizedDateTime(context, device.firstSeenAt!),
+            ),
+          if (device.lastSeenAt != null)
+            _line(
+              l10n.accountLastActive,
+              formatLocalizedDateTime(context, device.lastSeenAt!),
+            ),
+        ],
+      ),
+    );
+  }
+
+  Widget _line(String label, String value) => Padding(
+    padding: const EdgeInsets.only(top: 4),
+    child: Row(
+      children: [
+        Expanded(
+          child: Text(
+            label,
+            style: const TextStyle(color: AppColors.muted, fontSize: 12),
+          ),
+        ),
+        Flexible(
+          child: Text(
+            value.isEmpty ? '-' : value,
+            textAlign: TextAlign.right,
+            style: const TextStyle(fontSize: 12),
+          ),
+        ),
+      ],
+    ),
+  );
+}
+
+class _StatusChip extends StatelessWidget {
+  const _StatusChip({required this.status, required this.l10n});
+
+  final String status;
+  final AppLocalizations l10n;
+
+  @override
+  Widget build(BuildContext context) {
+    final active = status.toLowerCase() == 'active';
+    final scheme = Theme.of(context).colorScheme;
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
+      decoration: BoxDecoration(
+        color: active
+            ? scheme.tertiary.withValues(alpha: 0.16)
+            : AppColors.raised,
+        borderRadius: BorderRadius.circular(10),
+      ),
+      child: Text(
+        active ? l10n.accountDeviceActive : l10n.accountDeviceInactive,
+        style: TextStyle(
+          color: active ? scheme.tertiary : AppColors.muted,
+          fontSize: 11,
+        ),
+      ),
+    );
+  }
+}
+
+String _maskDeviceId(String value) {
+  if (value.length <= _maskVisible * 2) return value;
+  final head = value.substring(0, _maskVisible);
+  final tail = value.substring(value.length - _maskVisible);
+  return '$head****$tail';
+}

lib/pages/account/account_entry_card.dart

@@ -0,0 +1,134 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/material.dart';
+
+import '../../core/theme/app_colors.dart';
+import '../../l10n/app_localizations.dart';
+import 'account_deactivate_page.dart';
+import 'account_devices_page.dart';
+import 'account_export_page.dart';
+import 'account_profile_page.dart';
+
+const _accountCardHeight = 48.0;
+const _accountTitleWidth = 64.0;
+
+/// 我的页账号入口卡；只在登录态由父页面展示。
+class AccountEntryCard extends StatelessWidget {
+  const AccountEntryCard({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = AppLocalizations.of(context)!;
+    return Material(
+      key: const Key('mine-account-card'),
+      color: AppColors.card,
+      borderRadius: BorderRadius.circular(16),
+      clipBehavior: Clip.antiAlias,
+      child: SizedBox(
+        height: _accountCardHeight,
+        child: Row(
+          children: [
+            SizedBox(
+              width: _accountTitleWidth,
+              child: Padding(
+                padding: const EdgeInsets.only(left: 12),
+                child: Text(
+                  l10n.accountCenter,
+                  style: const TextStyle(
+                    fontSize: 12,
+                    fontWeight: FontWeight.w800,
+                  ),
+                ),
+              ),
+            ),
+            const VerticalDivider(
+              width: 1,
+              color: AppColors.outlineVariantDark,
+            ),
+            Expanded(
+              child: Row(
+                children: [
+                  _entry(
+                    context,
+                    key: const Key('mine-account-profile'),
+                    icon: Icons.person_outline_rounded,
+                    title: l10n.accountProfile,
+                    page: const AccountProfilePage(),
+                    divider: true,
+                  ),
+                  _entry(
+                    context,
+                    key: const Key('mine-account-devices'),
+                    icon: Icons.devices_other_rounded,
+                    title: l10n.accountDevices,
+                    page: const AccountDevicesPage(),
+                    divider: true,
+                  ),
+                  _entry(
+                    context,
+                    key: const Key('mine-account-export'),
+                    icon: Icons.file_download_outlined,
+                    title: l10n.accountDataExport,
+                    page: const AccountExportPage(),
+                    divider: true,
+                  ),
+                  _entry(
+                    context,
+                    key: const Key('mine-account-deactivate'),
+                    icon: Icons.person_remove_outlined,
+                    title: l10n.accountDeactivate,
+                    page: const AccountDeactivatePage(),
+                    divider: false,
+                  ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _entry(
+    BuildContext context, {
+    required Key key,
+    required IconData icon,
+    required String title,
+    required Widget page,
+    required bool divider,
+  }) {
+    return Expanded(
+      child: Row(
+        children: [
+          Expanded(
+            child: InkWell(
+              key: key,
+              onTap: () => Navigator.of(
+                context,
+              ).push<void>(MaterialPageRoute(builder: (_) => page)),
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Icon(icon, color: AppColors.blueSoft, size: 16),
+                  const SizedBox(height: 2),
+                  Text(
+                    title,
+                    maxLines: 2,
+                    overflow: TextOverflow.ellipsis,
+                    textAlign: TextAlign.center,
+                    style: const TextStyle(fontSize: 9.5, height: 1.05),
+                  ),
+                ],
+              ),
+            ),
+          ),
+          if (divider)
+            const VerticalDivider(
+              width: 1,
+              color: AppColors.outlineVariantDark,
+            ),
+        ],
+      ),
+    );
+  }
+}

lib/pages/account/account_export_logic.dart

@@ -0,0 +1,54 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/foundation.dart';
+
+import '../../core/data/models/account_export.dart';
+import '../../core/data/remote/api_client.dart';
+import '../../core/data/repositories/account_repository.dart';
+
+/// 账号数据导出状态与复制动作。
+class AccountExportLogic extends ChangeNotifier {
+  AccountExportLogic(this._repository, {required this.copyText});
+
+  final AccountRepository _repository;
+  final Future<void> Function(String text) copyText;
+  AccountExport? data;
+  bool loading = false;
+  String? error;
+  bool _disposed = false;
+
+  /// 加载完整导出数据。
+  Future<void> load() async {
+    loading = true;
+    error = null;
+    _notify();
+    try {
+      data = await _repository.export();
+    } catch (failure) {
+      error = failure is ApiException
+          ? failure.message
+          : 'accountExportLoadFailed';
+    } finally {
+      loading = false;
+      _notify();
+    }
+  }
+
+  /// 把后端下发的完整 JSON 写入剪贴板。
+  Future<bool> copy() async {
+    final current = data;
+    if (current == null) return false;
+    await copyText(current.rawJson);
+    return true;
+  }
+
+  void _notify() {
+    if (!_disposed) notifyListeners();
+  }
+
+  @override
+  void dispose() {
+    _disposed = true;
+    super.dispose();
+  }
+}

lib/pages/account/account_export_page.dart

@@ -0,0 +1,181 @@
+// Author: fruit.com.cn
+
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:provider/provider.dart';
+
+import '../../core/data/models/account_export.dart';
+import '../../core/data/repositories/account_repository.dart';
+import '../../core/data/services/auth_controller.dart';
+import '../../core/formatting/error_text.dart';
+import '../../core/theme/app_colors.dart';
+import '../../core/theme/app_theme.dart';
+import '../../core/widgets/auth_gate.dart';
+import '../../core/widgets/empty_state.dart';
+import '../../l10n/app_localizations.dart';
+import 'account_bindings.dart';
+import 'account_export_logic.dart';
+
+/// 账号数据导出摘要页。
+class AccountExportPage extends StatefulWidget {
+  const AccountExportPage({super.key});
+
+  @override
+  State<AccountExportPage> createState() => _AccountExportPageState();
+}
+
+class _AccountExportPageState extends State<AccountExportPage> {
+  late final AccountExportLogic _logic;
+
+  @override
+  void initState() {
+    super.initState();
+    _logic = AccountExportBinding().create(
+      context.read<AccountRepository>(),
+      (text) => Clipboard.setData(ClipboardData(text: text)),
+    );
+    unawaited(_logic.load());
+  }
+
+  @override
+  void dispose() {
+    _logic.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = AppLocalizations.of(context)!;
+    final signedIn = context.watch<AuthController>().isSignedIn;
+    return Theme(
+      data: AppTheme.dark(),
+      child: Scaffold(
+        key: const Key('account-export-page'),
+        backgroundColor: AppColors.ink,
+        appBar: AppBar(
+          backgroundColor: AppColors.ink,
+          foregroundColor: AppColors.onPrimary,
+          title: Text(l10n.accountDataExport),
+        ),
+        body: signedIn
+            ? ListenableBuilder(
+                listenable: _logic,
+                builder: (context, _) => _body(l10n),
+              )
+            : const AuthGatePanel(),
+      ),
+    );
+  }
+
+  Widget _body(AppLocalizations l10n) {
+    if (_logic.loading && _logic.data == null) {
+      return const Center(child: CircularProgressIndicator());
+    }
+    final data = _logic.data;
+    if (data == null) {
+      return EmptyState(
+        key: const Key('account-export-error'),
+        icon: Icons.cloud_off_rounded,
+        title: errorText(l10n, _logic.error, l10n.accountExportLoadFailed),
+        actionLabel: l10n.retry,
+        actionKey: const Key('account-export-retry'),
+        onAction: _logic.load,
+      );
+    }
+    return ListView(
+      key: const Key('account-export-content'),
+      padding: const EdgeInsets.fromLTRB(16, 12, 16, 28),
+      children: [
+        _profileCard(data, l10n),
+        const SizedBox(height: 12),
+        _credentialsCard(data, l10n),
+        const SizedBox(height: 16),
+        _copyButton(l10n),
+      ],
+    );
+  }
+
+  Widget _profileCard(AccountExport data, AppLocalizations l10n) => _card(
+    children: [
+      Text(
+        data.profile.nickname,
+        style: const TextStyle(fontSize: 19, fontWeight: FontWeight.w700),
+      ),
+      const SizedBox(height: 4),
+      Text(
+        '${l10n.accountUid}: ${data.profile.uid}',
+        style: const TextStyle(color: AppColors.muted, fontSize: 12),
+      ),
+    ],
+  );
+
+  Widget _credentialsCard(AccountExport data, AppLocalizations l10n) => _card(
+    children: [
+      Text(
+        l10n.accountCredentials,
+        style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w700),
+      ),
+      for (final credential in data.credentials)
+        ListTile(
+          contentPadding: EdgeInsets.zero,
+          leading: const Icon(
+            Icons.verified_user_outlined,
+            color: AppColors.blueSoft,
+          ),
+          title: Text(credential.masked),
+          subtitle: Text(credential.type),
+          trailing: Text(
+            credential.verified ? l10n.accountVerified : l10n.accountUnverified,
+            style: const TextStyle(color: AppColors.muted, fontSize: 11),
+          ),
+        ),
+      _summary(l10n.accountConsentRecords, '${data.consentCount}'),
+      _summary(l10n.accountDeviceCount, '${data.deviceCount}'),
+    ],
+  );
+
+  Widget _copyButton(AppLocalizations l10n) => FilledButton.icon(
+    key: const Key('account-export-copy'),
+    onPressed: _copy,
+    icon: const Icon(Icons.copy_rounded),
+    label: Text(l10n.accountCopyJson),
+  );
+
+  Widget _card({required List<Widget> children}) => Container(
+    padding: const EdgeInsets.all(16),
+    decoration: BoxDecoration(
+      color: AppColors.card,
+      borderRadius: BorderRadius.circular(16),
+      border: Border.all(color: AppColors.outlineVariantDark),
+    ),
+    child: Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: children,
+    ),
+  );
+
+  Widget _summary(String label, String value) => Padding(
+    padding: const EdgeInsets.only(top: 8),
+    child: Row(
+      children: [
+        Expanded(
+          child: Text(
+            label,
+            style: const TextStyle(color: AppColors.muted, fontSize: 12),
+          ),
+        ),
+        Text(value, style: const TextStyle(fontWeight: FontWeight.w700)),
+      ],
+    ),
+  );
+
+  Future<void> _copy() async {
+    final ok = await _logic.copy();
+    if (!ok || !mounted) return;
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(content: Text(AppLocalizations.of(context)!.accountCopied)),
+    );
+  }
+}

lib/pages/account/account_profile_logic.dart

@@ -0,0 +1,91 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/foundation.dart';
+
+import '../../core/data/models/account_profile.dart';
+import '../../core/data/remote/api_client.dart';
+import '../../core/data/repositories/account_repository.dart';
+
+/// 个人资料页状态与保存动作。
+class AccountProfileLogic extends ChangeNotifier {
+  AccountProfileLogic(this._repository, {required this.onProfileUpdated});
+
+  static const maxNicknameLength = 30;
+
+  final AccountRepository _repository;
+  final Future<void> Function(AccountProfile profile) onProfileUpdated;
+
+  AccountProfile? profile;
+  bool loading = false;
+  bool saving = false;
+  String? error;
+  String? fieldError;
+  bool _disposed = false;
+
+  /// 进入页面时加载当前资料。
+  Future<void> load() async {
+    loading = true;
+    error = null;
+    _notify();
+    try {
+      profile = await _repository.profile();
+    } catch (failure) {
+      error = _message(failure) ?? 'accountProfileLoadFailed';
+    } finally {
+      loading = false;
+      _notify();
+    }
+  }
+
+  /// 只提交本次改动；成功后同步登录态摘要。
+  Future<bool> save({
+    required String nickname,
+    required String gender,
+    String? birthday,
+  }) async {
+    final current = profile;
+    if (current == null) return false;
+    final trimmed = nickname.trim();
+    if (trimmed.isEmpty || trimmed.length > maxNicknameLength) {
+      fieldError = 'accountNicknameInvalid';
+      _notify();
+      return false;
+    }
+    final update = AccountProfileUpdate(
+      nickname: trimmed == current.nickname ? null : trimmed,
+      gender: gender.isEmpty || gender == current.gender ? null : gender,
+      birthday: birthday == null || birthday.isEmpty ? null : birthday,
+    );
+    if (update.toJson().isEmpty) return true;
+
+    saving = true;
+    error = null;
+    fieldError = null;
+    _notify();
+    try {
+      final next = await _repository.updateProfile(update);
+      profile = next;
+      await onProfileUpdated(next);
+      return true;
+    } catch (failure) {
+      error = _message(failure) ?? 'accountProfileSaveFailed';
+      return false;
+    } finally {
+      saving = false;
+      _notify();
+    }
+  }
+
+  String? _message(Object failure) =>
+      failure is ApiException ? failure.message : null;
+
+  void _notify() {
+    if (!_disposed) notifyListeners();
+  }
+
+  @override
+  void dispose() {
+    _disposed = true;
+    super.dispose();
+  }
+}

lib/pages/account/account_profile_page.dart

@@ -0,0 +1,348 @@
+// Author: fruit.com.cn
+
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../../core/data/models/account_profile.dart';
+import '../../core/data/repositories/account_repository.dart';
+import '../../core/data/services/auth_controller.dart';
+import '../../core/formatting/error_text.dart';
+import '../../core/formatting/localized_date_time.dart';
+import '../../core/theme/app_colors.dart';
+import '../../core/theme/app_theme.dart';
+import '../../core/widgets/auth_gate.dart';
+import '../../core/widgets/empty_state.dart';
+import '../../core/widgets/remote_image.dart';
+import '../../l10n/app_localizations.dart';
+import 'account_bindings.dart';
+import 'account_profile_logic.dart';
+
+const _avatarSize = 64.0;
+const _fieldGap = 14.0;
+const _datePadWidth = 2;
+
+/// 个人资料编辑页。
+class AccountProfilePage extends StatefulWidget {
+  const AccountProfilePage({super.key});
+
+  @override
+  State<AccountProfilePage> createState() => _AccountProfilePageState();
+}
+
+class _AccountProfilePageState extends State<AccountProfilePage> {
+  late final AccountProfileLogic _logic;
+  final _nickname = TextEditingController();
+  var _gender = 'unknown';
+  String? _birthday;
+  bool _formReady = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _logic = AccountProfileBinding().create(
+      context.read<AccountRepository>(),
+      context.read<AuthController>(),
+    )..addListener(_syncProfile);
+    unawaited(_logic.load());
+  }
+
+  void _syncProfile() {
+    final profile = _logic.profile;
+    if (profile == null || _formReady) return;
+    _nickname.text = profile.nickname;
+    _gender = _knownGender(profile.gender);
+    _formReady = true;
+  }
+
+  @override
+  void dispose() {
+    _logic
+      ..removeListener(_syncProfile)
+      ..dispose();
+    _nickname.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = AppLocalizations.of(context)!;
+    final signedIn = context.watch<AuthController>().isSignedIn;
+    return Theme(
+      data: AppTheme.dark(),
+      child: Scaffold(
+        key: const Key('account-profile-page'),
+        backgroundColor: AppColors.ink,
+        appBar: AppBar(
+          backgroundColor: AppColors.ink,
+          foregroundColor: AppColors.onPrimary,
+          title: Text(l10n.accountProfile),
+        ),
+        body: signedIn
+            ? ListenableBuilder(
+                listenable: _logic,
+                builder: (context, _) => _body(l10n),
+              )
+            : const AuthGatePanel(),
+      ),
+    );
+  }
+
+  Widget _body(AppLocalizations l10n) {
+    if (_logic.loading && _logic.profile == null) {
+      return const Center(child: CircularProgressIndicator());
+    }
+    final profile = _logic.profile;
+    if (profile == null) {
+      return EmptyState(
+        key: const Key('account-profile-error'),
+        icon: Icons.cloud_off_rounded,
+        title: errorText(l10n, _logic.error, l10n.accountProfileLoadFailed),
+        actionLabel: l10n.retry,
+        actionKey: const Key('account-profile-retry'),
+        onAction: _logic.load,
+      );
+    }
+    return ListView(
+      padding: const EdgeInsets.fromLTRB(16, 12, 16, 28),
+      children: [
+        _identity(profile, l10n),
+        const SizedBox(height: 16),
+        _editableForm(l10n),
+        const SizedBox(height: 18),
+        _readOnlyCard(profile, l10n),
+      ],
+    );
+  }
+
+  Widget _identity(AccountProfile profile, AppLocalizations l10n) {
+    return Row(
+      children: [
+        ClipOval(
+          child: SizedBox(
+            width: _avatarSize,
+            height: _avatarSize,
+            child: profile.avatarUrl.isEmpty
+                ? const ColoredBox(
+                    color: AppColors.raised,
+                    child: Icon(Icons.person_rounded, size: 34),
+                  )
+                : RemoteImage(profile.avatarUrl),
+          ),
+        ),
+        const SizedBox(width: 14),
+        Expanded(
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                profile.nickname,
+                style: const TextStyle(
+                  fontSize: 20,
+                  fontWeight: FontWeight.w700,
+                ),
+              ),
+              const SizedBox(height: 4),
+              Text(
+                '${l10n.accountUid}: ${profile.uid}',
+                style: const TextStyle(color: AppColors.muted, fontSize: 12),
+              ),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _editableForm(AppLocalizations l10n) {
+    return _AccountCard(
+      child: Column(
+        children: [
+          _nicknameField(l10n),
+          const SizedBox(height: _fieldGap),
+          _genderField(l10n),
+          const SizedBox(height: _fieldGap),
+          _birthdayField(l10n),
+          if (_logic.error != null) _saveError(l10n),
+          const SizedBox(height: 16),
+          _saveButton(l10n),
+        ],
+      ),
+    );
+  }
+
+  Widget _nicknameField(AppLocalizations l10n) => TextField(
+    key: const Key('account-nickname'),
+    controller: _nickname,
+    maxLength: AccountProfileLogic.maxNicknameLength,
+    decoration: InputDecoration(
+      labelText: l10n.accountNickname,
+      errorText: _logic.fieldError == null ? null : l10n.accountNicknameInvalid,
+    ),
+  );
+
+  Widget _genderField(AppLocalizations l10n) => DropdownButtonFormField<String>(
+    key: const Key('account-gender'),
+    initialValue: _gender,
+    decoration: InputDecoration(labelText: l10n.accountGender),
+    items: [
+      DropdownMenuItem(value: 'male', child: Text(l10n.accountMale)),
+      DropdownMenuItem(value: 'female', child: Text(l10n.accountFemale)),
+      DropdownMenuItem(
+        value: 'unknown',
+        child: Text(l10n.accountUnknownGender),
+      ),
+    ],
+    onChanged: (value) {
+      if (value != null) setState(() => _gender = value);
+    },
+  );
+
+  Widget _birthdayField(AppLocalizations l10n) => Column(
+    crossAxisAlignment: CrossAxisAlignment.start,
+    children: [
+      OutlinedButton.icon(
+        key: const Key('account-birthday'),
+        onPressed: _pickBirthday,
+        icon: const Icon(Icons.cake_outlined),
+        label: Text(_birthday ?? l10n.accountSelectBirthday),
+      ),
+      const SizedBox(height: 6),
+      Text(
+        l10n.accountBirthdayHint,
+        style: const TextStyle(color: AppColors.muted, fontSize: 12),
+      ),
+    ],
+  );
+
+  Widget _saveError(AppLocalizations l10n) => Padding(
+    padding: const EdgeInsets.only(top: 8),
+    child: Text(
+      errorText(l10n, _logic.error, l10n.accountProfileSaveFailed),
+      style: TextStyle(
+        color: Theme.of(context).colorScheme.error,
+        fontSize: 12,
+      ),
+    ),
+  );
+
+  Widget _saveButton(AppLocalizations l10n) => SizedBox(
+    width: double.infinity,
+    height: 52,
+    child: FilledButton(
+      key: const Key('account-profile-save'),
+      onPressed: _logic.saving ? null : _save,
+      child: _logic.saving
+          ? const SizedBox(
+              width: 18,
+              height: 18,
+              child: CircularProgressIndicator(strokeWidth: 2),
+            )
+          : Text(l10n.save),
+    ),
+  );
+
+  Widget _readOnlyCard(AccountProfile profile, AppLocalizations l10n) {
+    return _AccountCard(
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            l10n.accountReadOnlyInfo,
+            style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w700),
+          ),
+          const SizedBox(height: 10),
+          _info(l10n.accountMaskedAccount, profile.maskedTarget),
+          _info(l10n.accountCountry, profile.countryCode),
+          _info(l10n.accountCurrency, profile.currency),
+          _info(l10n.accountStatus, profile.status),
+          _info(l10n.accountLanguage, profile.language),
+          _info(l10n.accountTimezone, profile.timezone),
+          _info(l10n.accountRegion, profile.regionCode),
+          _info(l10n.accountVipLevel, '${profile.vipLevel}'),
+          if (profile.createdAt != null)
+            _info(
+              l10n.accountCreatedAt,
+              formatLocalizedDateTime(context, profile.createdAt!),
+            ),
+          if (profile.lastLoginAt != null)
+            _info(
+              l10n.accountLastLogin,
+              formatLocalizedDateTime(context, profile.lastLoginAt!),
+            ),
+        ],
+      ),
+    );
+  }
+
+  Widget _info(String label, String value) => Padding(
+    padding: const EdgeInsets.symmetric(vertical: 5),
+    child: Row(
+      children: [
+        Expanded(
+          child: Text(
+            label,
+            style: const TextStyle(color: AppColors.muted, fontSize: 12),
+          ),
+        ),
+        Flexible(
+          child: Text(
+            value.isEmpty ? '-' : value,
+            textAlign: TextAlign.right,
+            style: const TextStyle(fontSize: 13),
+          ),
+        ),
+      ],
+    ),
+  );
+
+  Future<void> _pickBirthday() async {
+    final value = await showDatePicker(
+      context: context,
+      initialDate: DateTime(2000),
+      firstDate: DateTime(1900),
+      lastDate: DateTime.now(),
+    );
+    if (value != null && mounted) {
+      setState(() => _birthday = _formatDate(value));
+    }
+  }
+
+  Future<void> _save() async {
+    final ok = await _logic.save(
+      nickname: _nickname.text,
+      gender: _gender,
+      birthday: _birthday,
+    );
+    if (!ok || !mounted) return;
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(content: Text(AppLocalizations.of(context)!.accountSaved)),
+    );
+  }
+
+  String _knownGender(String value) =>
+      const {'male', 'female', 'unknown'}.contains(value) ? value : 'unknown';
+}
+
+String _formatDate(DateTime value) =>
+    '${value.year.toString().padLeft(4, '0')}-'
+    '${value.month.toString().padLeft(_datePadWidth, '0')}-'
+    '${value.day.toString().padLeft(_datePadWidth, '0')}';
+
+class _AccountCard extends StatelessWidget {
+  const _AccountCard({required this.child});
+
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) => Container(
+    padding: const EdgeInsets.all(16),
+    decoration: BoxDecoration(
+      color: AppColors.card,
+      borderRadius: BorderRadius.circular(16),
+      border: Border.all(color: AppColors.outlineVariantDark),
+    ),
+    child: child,
+  );
+}

lib/pages/mine/mine_view.dart

@@ -24,6 +24,7 @@ import '../watch_records/watch_records_page.dart';
 import '../favorites/favorites_page.dart';
 import '../notices/notices_page.dart';
 import '../downloads/downloads_page.dart';
+import '../account/account_entry_card.dart';
 
 class MyPage extends StatefulWidget {
   const MyPage({
@@ -198,10 +199,15 @@ class _MyPageState extends State<MyPage> {
 
   List<Widget> _accountPage(AppLocalizations l10n) => [
     if (widget.signedIn) _signedInRow(l10n) else _guestRow(l10n),
-    if (widget.signedIn) ...[const SizedBox(height: 18), _wallet(l10n)],
-    const SizedBox(height: 14),
+    if (widget.signedIn) ...[
+      const SizedBox(height: 8),
+      _wallet(l10n),
+      const SizedBox(height: 4),
+      const AccountEntryCard(),
+    ],
+    const SizedBox(height: 4),
     _menuCard(l10n),
-    const SizedBox(height: 18),
+    const SizedBox(height: 8),
     Text(
       l10n.preferencesHeading,
       style: const TextStyle(
@@ -409,6 +415,8 @@ class _MyPageState extends State<MyPage> {
       child: Column(
         children: [
           ListTile(
+            dense: true,
+            visualDensity: VisualDensity.compact,
             leading: const Icon(
               Icons.card_giftcard_rounded,
               color: AppColors.blueSoft,
@@ -422,6 +430,8 @@ class _MyPageState extends State<MyPage> {
           ),
           const Divider(height: 1, color: AppColors.outlineVariantDark),
           ListTile(
+            dense: true,
+            visualDensity: VisualDensity.compact,
             key: const Key('mine-notices'),
             leading: const Icon(
               Icons.notifications_none_rounded,
@@ -435,6 +445,8 @@ class _MyPageState extends State<MyPage> {
           ),
           const Divider(height: 1, color: AppColors.outlineVariantDark),
           ListTile(
+            dense: true,
+            visualDensity: VisualDensity.compact,
             leading: const Icon(
               Icons.history_rounded,
               color: AppColors.blueSoft,
@@ -447,6 +459,8 @@ class _MyPageState extends State<MyPage> {
           ),
           const Divider(height: 1, color: AppColors.outlineVariantDark),
           ListTile(
+            dense: true,
+            visualDensity: VisualDensity.compact,
             leading: const Icon(
               Icons.favorite_outline_rounded,
               color: AppColors.blueSoft,
@@ -459,6 +473,8 @@ class _MyPageState extends State<MyPage> {
           ),
           const Divider(height: 1, color: AppColors.outlineVariantDark),
           ListTile(
+            dense: true,
+            visualDensity: VisualDensity.compact,
             leading: const Icon(
               Icons.download_outlined,
               color: AppColors.blueSoft,
@@ -471,6 +487,8 @@ class _MyPageState extends State<MyPage> {
           ),
           const Divider(height: 1, color: AppColors.outlineVariantDark),
           ListTile(
+            dense: true,
+            visualDensity: VisualDensity.compact,
             leading: const Icon(
               Icons.settings_rounded,
               color: AppColors.blueSoft,
@@ -886,11 +904,7 @@ class _NavItem extends StatelessWidget {
       child: Column(
         mainAxisAlignment: MainAxisAlignment.center,
         children: [
-          Icon(
-            icon,
-            size: 21,
-            color: selected ? _accent : AppColors.muted,
-          ),
+          Icon(icon, size: 21, color: selected ? _accent : AppColors.muted),
           Text(
             label,
             style: TextStyle(

test/account/account_api_test.dart

@@ -0,0 +1,174 @@
+// Author: fruit.com.cn
+
+import 'dart:convert';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/models/account_profile.dart';
+import 'package:fruitshorts/core/data/remote/account_api.dart';
+import 'package:fruitshorts/core/data/remote/api_client.dart';
+
+import '../support/fake_http_adapter.dart';
+
+void main() {
+  String envelope(Object? data, {int code = 0, String message = 'ok'}) =>
+      jsonEncode({'code': code, 'message': message, 'data': data});
+
+  AccountApi apiWith(FakeHttpAdapter adapter) =>
+      AccountApi(ApiClient(baseUrl: 'http://127.0.0.1:8081', adapter: adapter));
+
+  test('should_get_profile_and_parse_numeric_vip_level', () async {
+    final adapter = FakeHttpAdapter(
+      (_) async => FakeHttpResponse(
+        envelope({
+          'uid': 'U-K19',
+          'nickname': 'Nadia',
+          'avatarUrl': 'https://cdn/avatar.png',
+          'gender': 'female',
+          'countryCode': 'ID',
+          'regionCode': 'JK',
+          'language': 'id',
+          'timezone': 'Asia/Jakarta',
+          'currency': 'IDR',
+          'status': 'normal',
+          'maskedTarget': 'n***@example.com',
+          'createdAt': '2026-10-19T08:00:00',
+          'lastLoginAt': '2026-10-19T09:00:00',
+          'vipLevel': 2,
+          'vipExpireAt': null,
+        }),
+      ),
+    );
+
+    final profile = await apiWith(adapter).profile();
+
+    expect(adapter.requests.single.method, 'GET');
+    expect(adapter.requests.single.uri.path, '/app/me');
+    expect(profile.uid, 'U-K19');
+    expect(profile.nickname, 'Nadia');
+    expect(profile.vipLevel, 2);
+    expect(profile.createdAt, DateTime(2026, 10, 19, 8));
+  });
+
+  test('should_send_only_changed_profile_fields_when_updating', () async {
+    final adapter = FakeHttpAdapter(
+      (_) async => FakeHttpResponse(
+        envelope({'uid': 'U-K19', 'nickname': 'Nadia Baru'}),
+      ),
+    );
+
+    final profile = await apiWith(adapter).updateProfile(
+      const AccountProfileUpdate(
+        nickname: 'Nadia Baru',
+        gender: 'female',
+        birthday: '1999-01-02',
+      ),
+    );
+
+    expect(adapter.requests.single.method, 'PUT');
+    expect(adapter.requests.single.uri.path, '/app/me');
+    expect(adapter.requests.single.data, {
+      'nickname': 'Nadia Baru',
+      'gender': 'female',
+      'birthday': '1999-01-02',
+    });
+    expect(profile.nickname, 'Nadia Baru');
+  });
+
+  test('should_parse_device_ids_from_strings_and_numbers', () async {
+    final adapter = FakeHttpAdapter(
+      (_) async => FakeHttpResponse(
+        envelope([
+          {
+            'id': '2111012753262120962',
+            'userId': '2111012753262120000',
+            'deviceId': 'd-device-1234',
+            'platform': 'IOS',
+            'deviceModel': 'iPhone 15',
+            'firstSeenAt': '2026-10-18T08:00:00',
+            'lastSeenAt': '2026-10-19T09:00:00',
+            'status': 'active',
+            'deleted': 0,
+          },
+          {'id': 7, 'deviceId': 'd-android-5678', 'platform': 'ANDROID'},
+        ]),
+      ),
+    );
+
+    final devices = await apiWith(adapter).devices();
+
+    expect(adapter.requests.single.uri.path, '/app/me/devices');
+    expect(devices.first.id, '2111012753262120962');
+    expect(devices.first.lastSeenAt, DateTime(2026, 10, 19, 9));
+    expect(devices.last.id, '7');
+    expect(devices.last.deviceModel, '');
+  });
+
+  test('should_parse_export_counts_and_keep_complete_json', () async {
+    final data = {
+      'profile': {'uid': 'U-K19', 'nickname': 'Nadia'},
+      'credentials': [
+        {'type': 'EMAIL', 'masked': 'n***@example.com', 'verified': true},
+      ],
+      'consents': [
+        {'scene': 'privacy', 'version': '2026-10-01'},
+      ],
+      'devices': [
+        {'id': '9', 'deviceId': 'd-device-1234', 'status': 'active'},
+      ],
+    };
+    final adapter = FakeHttpAdapter(
+      (_) async => FakeHttpResponse(envelope(data)),
+    );
+
+    final export = await apiWith(adapter).export();
+
+    expect(adapter.requests.single.uri.path, '/app/me/export');
+    expect(export.profile.nickname, 'Nadia');
+    expect(export.credentials.single.masked, 'n***@example.com');
+    expect(export.credentials.single.verified, isTrue);
+    expect(export.consentCount, 1);
+    expect(export.deviceCount, 1);
+    expect(export.rawJson, contains('"credentials"'));
+  });
+
+  test('should_request_deactivation_with_reason_and_parse_schedule', () async {
+    final adapter = FakeHttpAdapter(
+      (_) async => FakeHttpResponse(envelope('2026-11-03T09:30:00')),
+    );
+
+    final scheduledAt = await apiWith(adapter).deactivate(reason: '不再使用');
+
+    expect(adapter.requests.single.method, 'POST');
+    expect(adapter.requests.single.uri.path, '/app/me/deactivate');
+    expect(adapter.requests.single.data, {'reason': '不再使用'});
+    expect(scheduledAt, DateTime(2026, 11, 3, 9, 30));
+  });
+
+  test('should_cancel_deactivation_with_post_and_no_body', () async {
+    final adapter = FakeHttpAdapter(
+      (_) async => FakeHttpResponse(envelope(null)),
+    );
+
+    await apiWith(adapter).cancelDeactivation();
+
+    expect(adapter.requests.single.method, 'POST');
+    expect(adapter.requests.single.uri.path, '/app/me/deactivate/cancel');
+    expect(adapter.requests.single.data, isNull);
+  });
+
+  test('should_keep_backend_message_when_cancel_fails', () async {
+    final adapter = FakeHttpAdapter(
+      (_) async =>
+          FakeHttpResponse(envelope(null, code: 100009, message: '没有待处理的注销申请')),
+    );
+
+    await expectLater(
+      apiWith(adapter).cancelDeactivation(),
+      throwsA(
+        isA<ApiException>()
+            .having((error) => error.code, 'code', 100009)
+            .having((error) => error.message, 'message', '没有待处理的注销申请'),
+      ),
+    );
+  });
+}

test/account/account_logic_test.dart

@@ -0,0 +1,101 @@
+// Author: fruit.com.cn
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/models/account_device.dart';
+import 'package:fruitshorts/core/data/models/account_profile.dart';
+import 'package:fruitshorts/pages/account/account_deactivate_logic.dart';
+import 'package:fruitshorts/pages/account/account_devices_logic.dart';
+import 'package:fruitshorts/pages/account/account_export_logic.dart';
+import 'package:fruitshorts/pages/account/account_profile_logic.dart';
+
+import '../support/fake_account_repository.dart';
+
+void main() {
+  test('should_update_profile_and_notify_auth_when_saved', () async {
+    final repository = FakeAccountRepository();
+    AccountProfile? applied;
+    final logic = AccountProfileLogic(
+      repository,
+      onProfileUpdated: (profile) async => applied = profile,
+    );
+    await logic.load();
+
+    final ok = await logic.save(
+      nickname: '  Nadia Baru  ',
+      gender: 'unknown',
+      birthday: '1999-01-02',
+    );
+
+    expect(ok, isTrue);
+    expect(repository.lastUpdate?.nickname, 'Nadia Baru');
+    expect(repository.lastUpdate?.gender, 'unknown');
+    expect(repository.lastUpdate?.birthday, '1999-01-02');
+    expect(applied?.nickname, 'Nadia Baru');
+  });
+
+  test('should_load_devices_and_keep_the_page_read_only', () async {
+    final repository = FakeAccountRepository(
+      devices: const [
+        AccountDevice(
+          id: '1',
+          deviceId: 'd-device-1234',
+          platform: 'IOS',
+          deviceModel: 'iPhone 15',
+          status: 'active',
+        ),
+      ],
+    );
+    final logic = AccountDevicesLogic(repository);
+
+    await logic.load();
+
+    expect(logic.devices.single.deviceModel, 'iPhone 15');
+    expect(logic.loading, isFalse);
+    expect(logic.error, isNull);
+  });
+
+  test('should_copy_complete_export_json_when_requested', () async {
+    final repository = FakeAccountRepository();
+    String copied = '';
+    final logic = AccountExportLogic(
+      repository,
+      copyText: (value) async => copied = value,
+    );
+    await logic.load();
+
+    final ok = await logic.copy();
+
+    expect(ok, isTrue);
+    expect(copied, contains('"credentials"'));
+    expect(copied, contains('n***@example.com'));
+  });
+
+  test(
+    'should_clear_session_and_keep_schedule_when_deactivation_succeeds',
+    () async {
+      final repository = FakeAccountRepository();
+      var cleared = false;
+      final logic = AccountDeactivateLogic(
+        repository,
+        clearSession: () async => cleared = true,
+      );
+
+      final ok = await logic.request('不再使用');
+
+      expect(ok, isTrue);
+      expect(repository.lastDeactivateReason, '不再使用');
+      expect(logic.scheduledAt, DateTime(2026, 11, 3, 9, 30));
+      expect(cleared, isTrue);
+    },
+  );
+
+  test('should_show_backend_message_when_cancel_deactivation_fails', () async {
+    final repository = FakeAccountRepository()..failCancel = true;
+    final logic = AccountDeactivateLogic(repository, clearSession: () async {});
+
+    final ok = await logic.cancel();
+
+    expect(ok, isFalse);
+    expect(logic.actionMessage, '没有待处理的注销申请');
+  });
+}

test/account/account_pages_test.dart

@@ -0,0 +1,147 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/models/auth_session.dart';
+import 'package:fruitshorts/core/data/repositories/account_repository.dart';
+import 'package:fruitshorts/core/data/remote/api_client.dart';
+import 'package:fruitshorts/core/data/remote/auth_api.dart';
+import 'package:fruitshorts/core/data/services/auth_controller.dart';
+import 'package:fruitshorts/core/data/services/auth_session_store.dart';
+import 'package:fruitshorts/l10n/app_localizations.dart';
+import 'package:fruitshorts/pages/account/account_deactivate_page.dart';
+import 'package:fruitshorts/pages/account/account_devices_page.dart';
+import 'package:fruitshorts/pages/account/account_export_page.dart';
+import 'package:fruitshorts/pages/account/account_profile_page.dart';
+import 'package:provider/provider.dart';
+import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
+import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
+
+import '../support/fake_account_repository.dart';
+
+void main() {
+  testWidgets('should_fill_profile_and_save_nickname', (tester) async {
+    final repository = FakeAccountRepository();
+    final auth = await _signedInAuth();
+    await _pumpPage(
+      tester,
+      AccountProfilePage(),
+      repository: repository,
+      auth: auth,
+    );
+
+    final nickname = find.byKey(const Key('account-nickname'));
+    expect(tester.widget<TextField>(nickname).controller?.text, 'Nadia');
+    await tester.enterText(nickname, 'Nadia Baru');
+    await tester.tap(find.byKey(const Key('account-profile-save')));
+    await tester.pumpAndSettle();
+
+    expect(repository.lastUpdate?.nickname, 'Nadia Baru');
+  });
+
+  testWidgets('should_show_device_empty_state_when_list_is_empty', (
+    tester,
+  ) async {
+    final repository = FakeAccountRepository();
+    final auth = await _signedInAuth();
+    await _pumpPage(
+      tester,
+      AccountDevicesPage(),
+      repository: repository,
+      auth: auth,
+    );
+
+    expect(find.byKey(const Key('account-devices-empty')), findsOneWidget);
+  });
+
+  testWidgets('should_confirm_before_deactivation_and_show_schedule', (
+    tester,
+  ) async {
+    final repository = FakeAccountRepository();
+    final auth = await _signedInAuth();
+    await _pumpPage(
+      tester,
+      AccountDeactivatePage(),
+      repository: repository,
+      auth: auth,
+    );
+
+    await tester.enterText(
+      find.byKey(const Key('account-deactivate-reason')),
+      '不再使用',
+    );
+    await tester.tap(find.byKey(const Key('account-deactivate-submit')));
+    await tester.pumpAndSettle();
+    expect(find.byKey(const Key('account-deactivate-confirm')), findsOneWidget);
+    await tester.tap(find.byKey(const Key('account-deactivate-confirm')));
+    await tester.pumpAndSettle();
+
+    expect(repository.lastDeactivateReason, '不再使用');
+    expect(
+      find.byKey(const Key('account-deactivate-scheduled')),
+      findsOneWidget,
+    );
+    expect(auth.isSignedIn, isFalse);
+  });
+
+  testWidgets('should_retry_export_after_failure', (tester) async {
+    final repository = FakeAccountRepository()..failExport = true;
+    final auth = await _signedInAuth();
+    await _pumpPage(
+      tester,
+      AccountExportPage(),
+      repository: repository,
+      auth: auth,
+    );
+
+    expect(find.byKey(const Key('account-export-error')), findsOneWidget);
+    repository.failExport = false;
+    await tester.tap(find.byKey(const Key('account-export-retry')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('account-export-content')), findsOneWidget);
+  });
+}
+
+Future<AuthController> _signedInAuth() async {
+  SharedPreferencesAsyncPlatform.instance =
+      InMemorySharedPreferencesAsync.empty();
+  await AuthSessionStore().save(
+    const AuthSession(
+      accessToken: 'access',
+      refreshToken: 'refresh',
+      user: AuthUser(uid: 'U-K19', nickname: 'Nadia'),
+    ),
+  );
+  final client = ApiClient(baseUrl: 'http://127.0.0.1:8081');
+  final auth = AuthController(AuthApi(client), AuthSessionStore());
+  await auth.load();
+  return auth;
+}
+
+Future<void> _pumpPage(
+  WidgetTester tester,
+  Widget page, {
+  required FakeAccountRepository repository,
+  required AuthController auth,
+}) async {
+  tester.view.physicalSize = const Size(390, 844);
+  tester.view.devicePixelRatio = 1;
+  addTearDown(tester.view.resetPhysicalSize);
+  addTearDown(tester.view.resetDevicePixelRatio);
+  await tester.pumpWidget(
+    MultiProvider(
+      providers: [
+        Provider<AccountRepository>.value(value: repository),
+        ChangeNotifierProvider<AuthController>.value(value: auth),
+      ],
+      child: MaterialApp(
+        locale: const Locale('en'),
+        supportedLocales: AppLocalizations.supportedLocales,
+        localizationsDelegates: AppLocalizations.localizationsDelegates,
+        home: Theme(data: ThemeData.dark(), child: page),
+      ),
+    ),
+  );
+  await tester.pumpAndSettle();
+}

test/account/auth_profile_sync_test.dart

@@ -0,0 +1,61 @@
+// Author: fruit.com.cn
+
+import 'dart:convert';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
+import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
+
+import 'package:fruitshorts/core/data/models/auth_session.dart';
+import 'package:fruitshorts/core/data/remote/api_client.dart';
+import 'package:fruitshorts/core/data/remote/auth_api.dart';
+import 'package:fruitshorts/core/data/services/auth_controller.dart';
+import 'package:fruitshorts/core/data/services/auth_session_store.dart';
+
+import '../support/fake_http_adapter.dart';
+
+void main() {
+  test('should_update_profile_summary_and_keep_tokens_when_applied', () async {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+    final adapter = FakeHttpAdapter(
+      (_) async => FakeHttpResponse(
+        jsonEncode({
+          'code': 0,
+          'message': 'ok',
+          'data': {
+            'accessToken': 'access-1',
+            'refreshToken': 'refresh-1',
+            'expiresIn': 7200,
+            'user': {'uid': 'U-OLD', 'nickname': 'Old', 'avatarUrl': 'old.png'},
+          },
+        }),
+      ),
+    );
+    late AuthController auth;
+    final client = ApiClient(
+      baseUrl: 'http://127.0.0.1:8081',
+      adapter: adapter,
+      accessTokenReader: () => auth.accessToken,
+      tokenRefresher: () => auth.refresh(),
+    );
+    auth = AuthController(AuthApi(client), AuthSessionStore());
+    await auth.register(email: 'a@b.com', password: 'abcd1234');
+
+    await auth.applyProfile(
+      const AuthUser(
+        uid: 'U-K19',
+        nickname: 'Nadia',
+        avatarUrl: 'avatar-k19.png',
+      ),
+    );
+
+    expect(auth.accessToken, 'access-1');
+    expect(auth.user?.uid, 'U-K19');
+    expect(auth.user?.nickname, 'Nadia');
+    expect(auth.user?.avatarUrl, 'avatar-k19.png');
+    final saved = await AuthSessionStore().read();
+    expect(saved?.refreshToken, 'refresh-1');
+    expect(saved?.user.nickname, 'Nadia');
+  });
+}

test/account/mine_account_entry_test.dart

@@ -0,0 +1,79 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/app.dart';
+import 'package:fruitshorts/core/data/models/auth_session.dart';
+import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
+import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
+import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
+import 'package:fruitshorts/core/data/services/auth_session_store.dart';
+import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
+import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
+
+import '../support/fake_account_repository.dart';
+import '../support/fake_catalog.dart';
+import '../support/fake_category.dart';
+import '../support/fake_interaction_repositories.dart';
+import '../support/fake_notice_repository.dart';
+import '../support/widget_player.dart';
+
+void main() {
+  testWidgets('should_hide_account_entries_when_signed_out', (tester) async {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+    await _pumpApp(tester);
+
+    await tester.tap(find.byKey(const Key('tab-my')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('mine-account-card')), findsNothing);
+  });
+
+  testWidgets('should_show_four_account_entries_when_signed_in', (
+    tester,
+  ) async {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+    await AuthSessionStore().save(
+      const AuthSession(
+        accessToken: 'access',
+        refreshToken: 'refresh',
+        user: AuthUser(uid: 'U-K19', nickname: 'Nadia'),
+      ),
+    );
+    await _pumpApp(tester);
+
+    await tester.tap(find.byKey(const Key('tab-my')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('mine-account-card')), findsOneWidget);
+    expect(find.byKey(const Key('mine-account-profile')), findsOneWidget);
+    expect(find.byKey(const Key('mine-account-devices')), findsOneWidget);
+    expect(find.byKey(const Key('mine-account-export')), findsOneWidget);
+    expect(find.byKey(const Key('mine-account-deactivate')), findsOneWidget);
+  });
+}
+
+Future<void> _pumpApp(WidgetTester tester) async {
+  tester.view.physicalSize = const Size(390, 844);
+  tester.view.devicePixelRatio = 1;
+  addTearDown(tester.view.resetPhysicalSize);
+  addTearDown(tester.view.resetDevicePixelRatio);
+  final catalog = FakeCatalogRepository();
+  await tester.pumpWidget(
+    LumaDramaApp(
+      playerFactory: createWidgetPlayer,
+      catalogRepository: catalog,
+      categoryRepository: FakeCategoryRepository(catalog: catalog),
+      watchHistoryRepository: InMemoryWatchHistoryRepository(),
+      favoriteRepository: InMemoryFavoriteRepository(),
+      playbackRepository: FakePlaybackRepository(),
+      commentRepository: FakeCommentRepository(),
+      interactionRepository: FakeInteractionRepository(),
+      noticeRepository: FakeNoticeRepository(),
+      accountRepository: FakeAccountRepository(),
+    ),
+  );
+  await tester.pumpAndSettle();
+}

test/support/fake_account_repository.dart

@@ -0,0 +1,127 @@
+// Author: fruit.com.cn
+
+import 'package:fruitshorts/core/data/models/account_device.dart';
+import 'package:fruitshorts/core/data/models/account_export.dart';
+import 'package:fruitshorts/core/data/models/account_profile.dart';
+import 'package:fruitshorts/core/data/repositories/account_repository.dart';
+import 'package:fruitshorts/core/data/remote/api_client.dart';
+
+/// 账号中心测试替身；可预置数据与失败文案。
+class FakeAccountRepository implements AccountRepository {
+  FakeAccountRepository({
+    AccountProfile? profile,
+    List<AccountDevice> devices = const [],
+    AccountExport? export,
+  }) : _profile = profile ?? defaultProfile,
+       _devices = [...devices],
+       _export = export ?? defaultExport;
+
+  static const defaultProfile = AccountProfile(
+    uid: 'U-K19',
+    nickname: 'Nadia',
+    avatarUrl: '',
+    gender: 'female',
+    countryCode: 'ID',
+    regionCode: 'JK',
+    language: 'id',
+    timezone: 'Asia/Jakarta',
+    currency: 'IDR',
+    status: 'normal',
+    maskedTarget: 'n***@example.com',
+    vipLevel: 0,
+  );
+
+  static const defaultExport = AccountExport(
+    profile: defaultProfile,
+    credentials: [
+      AccountCredential(
+        type: 'EMAIL',
+        masked: 'n***@example.com',
+        verified: true,
+      ),
+    ],
+    consentCount: 1,
+    devices: [],
+    raw: {
+      'profile': {'uid': 'U-K19', 'nickname': 'Nadia'},
+      'credentials': [
+        {'type': 'EMAIL', 'masked': 'n***@example.com', 'verified': true},
+      ],
+      'consents': [
+        {'scene': 'privacy'},
+      ],
+      'devices': [],
+    },
+  );
+
+  AccountProfile _profile;
+  final List<AccountDevice> _devices;
+  final AccountExport _export;
+  AccountProfileUpdate? lastUpdate;
+  String? lastDeactivateReason;
+  int profileCalls = 0;
+  int deviceCalls = 0;
+  int exportCalls = 0;
+  bool failProfile = false;
+  bool failDevices = false;
+  bool failExport = false;
+  bool failUpdate = false;
+  bool failDeactivate = false;
+  bool failCancel = false;
+
+  @override
+  Future<AccountProfile> profile() async {
+    profileCalls++;
+    if (failProfile) throw const ApiException(500, '资料加载失败');
+    return _profile;
+  }
+
+  @override
+  Future<AccountProfile> updateProfile(AccountProfileUpdate update) async {
+    lastUpdate = update;
+    if (failUpdate) throw const ApiException(400, '昵称不可用');
+    _profile = AccountProfile(
+      uid: _profile.uid,
+      nickname: update.nickname ?? _profile.nickname,
+      avatarUrl: _profile.avatarUrl,
+      gender: update.gender ?? _profile.gender,
+      countryCode: _profile.countryCode,
+      regionCode: _profile.regionCode,
+      language: _profile.language,
+      timezone: _profile.timezone,
+      currency: _profile.currency,
+      status: _profile.status,
+      maskedTarget: _profile.maskedTarget,
+      vipLevel: _profile.vipLevel,
+    );
+    return _profile;
+  }
+
+  @override
+  Future<List<AccountDevice>> devices() async {
+    deviceCalls++;
+    if (failDevices) throw const ApiException(500, '设备加载失败');
+    return [..._devices];
+  }
+
+  @override
+  Future<AccountExport> export() async {
+    exportCalls++;
+    if (failExport) throw const ApiException(500, '导出失败');
+    return _export;
+  }
+
+  @override
+  Future<DateTime?> deactivate(String reason) async {
+    lastDeactivateReason = reason;
+    if (failDeactivate) throw const ApiException(100009, '注销申请已在处理中');
+    return DateTime(2026, 11, 3, 9, 30);
+  }
+
+  @override
+  Future<void> cancelDeactivation() async {
+    if (failCancel) {
+      throw const ApiException(100009, '没有待处理的注销申请');
+    }
+  }
+}