refactor: 抽取高危功能页共享脚手架与传输层日志
诊断：功能票 / 解锁歌曲 / 收藏品 / 旅行伙伴 / 数值修改 / 一键跑图 / 万花筒 / 高危 hub 这些页面各自抄了一份同样的脚手架——冷却计时器、_Step 枚举、自动退登开关、卡片/提示/进度卡；TitleApiService.getUserPreview 还 重复实现了整套传输层；服务层有 37 处裸 print 会把 token / JSESSIONID 打进日志。 - 新增共享原语，7 个功能页切换到： * widgets/cooldown_mixin.dart CooldownMixin（登录后冷却倒计时） * widgets/step_progress.dart RiskStep + StepProgressCard * widgets/app_card.dart AppCard / SectionTitle / AutoLogoutToggle * widgets/app_notice.dart AppNotice + context.showSnack - TitleApiService: getUserPreview 收敛进通用 _callApi；新增 fromHolder() 工厂与 config getter，消除散落的 isConfigured + config! - 传输层 print -> ApiLog（仅 debug 输出），删除全部 avoid_print 忽略 - UserAllPayloadBuilder 新增 placeholderMusicData()（原 5 处重复） - LoginPage 从 main.dart 抽到 pages/login_page.dart，入口只留 main + MyApp - 更新 README / CLAUDE.md 目录结构与已过时的 web/依赖说明 验证：flutter analyze 0 issue（含 info）；flutter test 96/96 通过。 纯结构重构，行为保持不变；仅有意统一了功能票 / 音乐风险 / hub 的 卡片与步骤视觉样式。 净删除约 2176 行重复代码。
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import 'package:flutter/material.dart';
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import '../config/responsive.dart';
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import '../config/strings.dart';
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import '../models/session_model.dart';
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import '../services/file_picker_service.dart';
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import '../services/qr_service.dart';
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import 'home_page.dart';
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import 'settings_page.dart';
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/// 登录页：粘贴 / 识别 QR 令牌，走 Aime 登录后进入主页。
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class LoginPage extends StatefulWidget {
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const LoginPage({super.key});
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@override
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State<LoginPage> createState() => _LoginPageState();
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}
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class _LoginPageState extends State<LoginPage> {
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final _qrController = TextEditingController();
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String _qrCode = '';
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bool _loading = false;
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bool _forcePreviewApi = false;
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@override
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void dispose() {
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_qrController.dispose();
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super.dispose();
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}
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void _onQRContentChanged(String value) {
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setState(() {
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_qrCode = SessionModel.extractQRCode(value.trim());
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});
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}
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Future<void> _onUploadQR() async {
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try {
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final bytes = await pickImageBytes();
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if (bytes == null) return;
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final result = await decodeQRFromBytes(bytes);
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if (result != null && result.isNotEmpty) {
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_qrController.text = result;
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setState(() {
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_qrCode = SessionModel.extractQRCode(result);
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});
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text(AppStrings.qrScanSuccess)),
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);
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}
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} else {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text(AppStrings.qrScanFailed)),
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);
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}
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('${AppStrings.qrScanError}: $e')),
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);
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}
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}
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}
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Future<void> _onLogin() async {
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if (_qrCode.isEmpty) return;
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setState(() => _loading = true);
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try {
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final result = await SessionModel.instance.loginWithQr(_qrCode);
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if (!mounted) return;
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if (result.success) {
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Navigator.of(context).push(
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MaterialPageRoute(
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builder: (_) => HomePage(
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userId: result.userId,
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token: result.token,
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forcePreviewApi: _forcePreviewApi,
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),
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),
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);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('${AppStrings.loginFailed} (errorID: ${result.errorId})')),
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);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('${AppStrings.requestFailed}: $e')),
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);
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}
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} finally {
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if (mounted) {
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setState(() => _loading = false);
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Scaffold(
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appBar: AppBar(
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title: const Text(AppStrings.appTitle),
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actions: [
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IconButton(
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icon: const Icon(Icons.settings),
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tooltip: AppStrings.settingsTooltip,
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onPressed: () {
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Navigator.of(context).push(
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MaterialPageRoute(builder: (_) => const SettingsPage()),
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);
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},
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),
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],
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),
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body: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 48),
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child: responsiveBody(
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context,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.qr_code_scanner,
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size: 64,
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color: theme.colorScheme.primary,
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),
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const SizedBox(height: 16),
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Text(
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AppStrings.appTitle,
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style: theme.textTheme.headlineMedium?.copyWith(
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fontWeight: FontWeight.bold,
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color: theme.colorScheme.primary,
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),
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),
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const SizedBox(height: 8),
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Text(
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AppStrings.loginSubtitle,
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style: theme.textTheme.bodyMedium?.copyWith(
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color: theme.colorScheme.onSurfaceVariant,
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),
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),
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const SizedBox(height: 40),
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Card(
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elevation: 0,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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side: BorderSide(
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color: theme.colorScheme.outline.withValues(alpha: 0.3),
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),
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),
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child: Padding(
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padding: const EdgeInsets.all(20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(
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Icons.key,
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size: 18,
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color: theme.colorScheme.primary,
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),
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const SizedBox(width: 8),
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Text(
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AppStrings.qrCodeToken,
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style: theme.textTheme.labelLarge?.copyWith(
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color: theme.colorScheme.primary,
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fontWeight: FontWeight.w600,
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),
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),
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],
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),
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const SizedBox(height: 12),
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TextField(
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controller: _qrController,
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maxLines: 3,
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onChanged: _onQRContentChanged,
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style: theme.textTheme.bodyMedium?.copyWith(
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fontFamily: 'monospace',
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letterSpacing: 0.5,
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),
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decoration: InputDecoration(
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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),
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contentPadding: const EdgeInsets.all(14),
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),
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),
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],
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),
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),
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),
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if (_qrCode.isNotEmpty) ...[
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const SizedBox(height: 12),
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: theme.colorScheme.surfaceContainerHighest
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.withValues(alpha: 0.5),
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borderRadius: BorderRadius.circular(10),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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AppStrings.qrParsedResult,
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style: theme.textTheme.labelSmall?.copyWith(
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color: theme.colorScheme.onSurfaceVariant,
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),
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),
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const SizedBox(height: 6),
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Text(
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_qrCode,
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style: theme.textTheme.bodySmall?.copyWith(
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fontFamily: 'monospace',
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color: theme.colorScheme.onSurface,
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),
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),
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],
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),
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),
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],
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const SizedBox(height: 28),
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Row(
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children: [
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Expanded(
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child: OutlinedButton.icon(
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onPressed: _loading ? null : _onUploadQR,
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icon: const Icon(Icons.image, size: 20),
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label: const Text(AppStrings.uploadQR),
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style: OutlinedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 14),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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),
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),
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const SizedBox(width: 16),
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Expanded(
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child: FilledButton.icon(
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onPressed:
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(_qrCode.isNotEmpty && !_loading) ? _onLogin : null,
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icon: _loading
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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: const Icon(Icons.arrow_forward, size: 20),
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label: Text(_loading ? AppStrings.loggingIn : AppStrings.login),
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style: FilledButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 14),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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),
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),
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],
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),
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const SizedBox(height: 16),
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CheckboxListTile(
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value: _forcePreviewApi,
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onChanged: (v) => setState(() => _forcePreviewApi = v ?? false),
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title: const Text(AppStrings.forcePreviewApi),
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controlAffinity: ListTileControlAffinity.leading,
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contentPadding: EdgeInsets.zero,
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dense: true,
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),
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],
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),
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),
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),
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),
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);
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}
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}
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