feat(account): 增加账号中心页面与入口

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.';
 }