新增网络测试功能，预留付费用户线路自定义与线路自选入口

lib/presentation/pages/settings/settings_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/gestures.dart';
 import 'package:provider/provider.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:package_info_plus/package_info_plus.dart';
@@ -16,6 +17,7 @@ import 'file_preferences_page.dart';
 import 'app_settings_page.dart';
 import 'credit_history_page.dart';
 import 'quick_access_settings_page.dart';
+import 'network_test_page.dart';
 import '../../../router/app_router.dart';
 
 /// 设置主页
@@ -83,112 +85,127 @@ class _SettingsPageState extends State<SettingsPage> {
       ),
       body: DesktopConstrained(
         child: ListView(
-        children: [
-          _buildProfileCard(context, user, settings, capacity),
-          const SizedBox(height: 8),
-          _buildSection(
-            title: '账户与安全',
-            children: [
-              _SettingsTile(
-                icon: Icons.person_outline,
-                title: '个人资料',
-                subtitle: '修改昵称、头像',
-                onTap: () => _navigateTo(context, const ProfileEditPage()),
-              ),
-              _SettingsTile(
-                icon: Icons.security_outlined,
-                title: '安全设置',
-                subtitle: _securitySubtitle(settings),
-                onTap: () => _navigateTo(context, const SecuritySettingsPage()),
-              ),
-            ],
-          ),
-          _buildSection(
-            title: '偏好',
-            children: [
-              _SettingsTile(
-                icon: Icons.sync_outlined,
-                title: '文件同步',
-                subtitle: '本地与云端文件自动同步',
-                onTap: () => Navigator.of(context).pushNamed(RouteNames.syncSettings),
-              ),
-              _SettingsTile(
-                icon: Icons.apps_outlined,
-                title: '快捷入口',
-                subtitle: '自定义概览页快捷目录',
-                onTap: () => _navigateTo(context, const QuickAccessSettingsPage()),
-              ),
-              _SettingsTile(
-                icon: Icons.folder_outlined,
-                title: '文件偏好',
-                subtitle: '版本保留、视图同步、分享可见性',
-                onTap: () => _navigateTo(context, const FilePreferencesPage()),
-              ),
-              _SettingsTile(
-                icon: Icons.tune,
-                title: '应用设置',
-                subtitle: '缓存、主题、语言',
-                onTap: () => _navigateTo(context, const AppSettingsPage()),
-              ),
-            ],
-          ),
-          // 财务区域（有数据时才显示）
-          if (settings != null) ..._buildProSections(context, settings),
-          _buildSection(
-            title: '关于',
-            children: [
-              ListTile(
-                leading: const Icon(Icons.info_outline),
-                title: const Text('应用名称'),
-                subtitle: const Text('公云存储'),
-              ),
-              ListTile(
-                leading: const Icon(Icons.tag),
-                title: const Text('版本号'),
-                subtitle: Text(_appVersion.isEmpty ? '加载中...' : _appVersion),
-              ),
-              ListTile(
-                leading: const Icon(Icons.copyright),
-                title: const Text('License'),
-                subtitle: const Text('AGPL-3.0'),
-              ),
-              ListTile(
-                leading: const Icon(Icons.code),
-                title: const Text('二次开发'),
-                subtitle: const Text('gongyun_app'),
-                trailing: const Icon(Icons.open_in_new, size: 16),
-                onTap: () {
-                  launchUrl(
-                    Uri.parse('https://git.saont.net/gongyun/app'),
-                    mode: LaunchMode.externalApplication,
-                  );
-                },
-              ),
-              ListTile(
-                leading: const Icon(Icons.code),
-                title: const Text('基于'),
-                subtitle: const Text('cloudreve4_flutter'),
-                trailing: const Icon(Icons.open_in_new, size: 16),
-                onTap: () {
-                  launchUrl(
-                    Uri.parse('https://github.com/LimoYuan/cloudreve4_flutter'),
-                    mode: LaunchMode.externalApplication,
-                  );
-                },
-              ),
-            ],
-          ),
-          const SizedBox(height: 24),
-          _buildLogoutButton(context, auth),
-          const SizedBox(height: 32),
-        ],
-      ),
+          children: [
+            _buildProfileCard(context, user, settings, capacity),
+            const SizedBox(height: 8),
+            _buildSection(
+              title: '账户与安全',
+              children: [
+                _SettingsTile(
+                  icon: Icons.person_outline,
+                  title: '个人资料',
+                  subtitle: '修改昵称、头像',
+                  onTap: () => _navigateTo(context, const ProfileEditPage()),
+                ),
+                _SettingsTile(
+                  icon: Icons.security_outlined,
+                  title: '安全设置',
+                  subtitle: _securitySubtitle(settings),
+                  onTap: () =>
+                      _navigateTo(context, const SecuritySettingsPage()),
+                ),
+              ],
+            ),
+            _buildSection(
+              title: '偏好',
+              children: [
+                _SettingsTile(
+                  icon: Icons.sync_outlined,
+                  title: '文件同步',
+                  subtitle: '本地与云端文件自动同步',
+                  onTap: () =>
+                      Navigator.of(context).pushNamed(RouteNames.syncSettings),
+                ),
+                _SettingsTile(
+                  icon: Icons.apps_outlined,
+                  title: '快捷入口',
+                  subtitle: '自定义概览页快捷目录',
+                  onTap: () =>
+                      _navigateTo(context, const QuickAccessSettingsPage()),
+                ),
+                _SettingsTile(
+                  icon: Icons.folder_outlined,
+                  title: '文件偏好',
+                  subtitle: '版本保留、视图同步、分享可见性',
+                  onTap: () =>
+                      _navigateTo(context, const FilePreferencesPage()),
+                ),
+                _SettingsTile(
+                  icon: Icons.tune,
+                  title: '应用设置',
+                  subtitle: '缓存、主题、语言',
+                  onTap: () => _navigateTo(context, const AppSettingsPage()),
+                ),
+                _SettingsTile(
+                  icon: Icons.network_check,
+                  title: '网络测试',
+                  subtitle: '服务连通性测试与自定义线路(会员)',
+                  onTap: () => _openNetworkTest(context),
+                ),
+              ],
+            ),
+            // 财务区域（有数据时才显示）
+            if (settings != null) ..._buildProSections(context, settings),
+            _buildSection(
+              title: '关于',
+              children: [
+                ListTile(
+                  leading: const Icon(Icons.info_outline),
+                  title: const Text('应用名称'),
+                  subtitle: const Text('公云存储'),
+                ),
+                ListTile(
+                  leading: const Icon(Icons.tag),
+                  title: const Text('版本号'),
+                  subtitle: Text(_appVersion.isEmpty ? '加载中...' : _appVersion),
+                ),
+                ListTile(
+                  leading: const Icon(Icons.copyright),
+                  title: const Text('License'),
+                  subtitle: const Text('AGPL-3.0'),
+                ),
+                ListTile(
+                  leading: const Icon(Icons.code),
+                  title: const Text('二次开发'),
+                  subtitle: const Text('gongyun_app'),
+                  trailing: const Icon(Icons.open_in_new, size: 16),
+                  onTap: () {
+                    launchUrl(
+                      Uri.parse('https://git.saont.net/gongyun/app'),
+                      mode: LaunchMode.externalApplication,
+                    );
+                  },
+                ),
+                ListTile(
+                  leading: const Icon(Icons.code),
+                  title: const Text('基于'),
+                  subtitle: const Text('cloudreve4_flutter'),
+                  trailing: const Icon(Icons.open_in_new, size: 16),
+                  onTap: () {
+                    launchUrl(
+                      Uri.parse(
+                        'https://github.com/LimoYuan/cloudreve4_flutter',
+                      ),
+                      mode: LaunchMode.externalApplication,
+                    );
+                  },
+                ),
+              ],
+            ),
+            const SizedBox(height: 24),
+            _buildLogoutButton(context, auth),
+            const SizedBox(height: 32),
+          ],
+        ),
       ),
     );
   }
 
   /// 财务区域（存储包、积分、会员）
-  List<Widget> _buildProSections(BuildContext context, UserSettingModel settings) {
+  List<Widget> _buildProSections(
+    BuildContext context,
+    UserSettingModel settings,
+  ) {
     final sections = <Widget>[];
     final hasStoragePacks = settings.storagePacks.isNotEmpty;
     final hasCredit = settings.credit > 0;
@@ -197,40 +214,54 @@ class _SettingsPageState extends State<SettingsPage> {
     if (hasStoragePacks || hasCredit || hasMembership) {
       final children = <Widget>[];
       if (hasMembership) {
-        children.add(ListTile(
-          leading: const Icon(Icons.workspace_premium_outlined),
-          title: const Text('会员'),
-          subtitle: Text('到期: ${_formatDate(settings.groupExpires!)}'),
-          trailing: TextButton(
-            onPressed: () => _cancelMembership(context),
-            child: const Text('取消会员', style: TextStyle(color: Colors.red)),
+        children.add(
+          ListTile(
+            leading: const Icon(Icons.workspace_premium_outlined),
+            title: const Text('会员'),
+            subtitle: Text('到期: ${_formatDate(settings.groupExpires!)}'),
+            trailing: TextButton(
+              onPressed: () => _cancelMembership(context),
+              child: const Text('取消会员', style: TextStyle(color: Colors.red)),
+            ),
           ),
-        ));
+        );
       }
       if (hasStoragePacks) {
-        children.add(ListTile(
-          leading: const Icon(Icons.inventory_2_outlined),
-          title: Text('存储包 (${settings.storagePacks.length})'),
-          subtitle: Text(_storagePackSummary(settings.storagePacks)),
-          trailing: const Icon(Icons.chevron_right),
-          onTap: () => _showStoragePacks(context, settings.storagePacks),
-        ));
+        children.add(
+          ListTile(
+            leading: const Icon(Icons.inventory_2_outlined),
+            title: Text('存储包 (${settings.storagePacks.length})'),
+            subtitle: Text(_storagePackSummary(settings.storagePacks)),
+            trailing: const Icon(Icons.chevron_right),
+            onTap: () => _showStoragePacks(context, settings.storagePacks),
+          ),
+        );
       }
       if (hasCredit) {
-        children.add(ListTile(
-          leading: const Icon(Icons.account_balance_wallet_outlined),
-          title: const Text('积分'),
-          subtitle: Text('${settings.credit} 积分'),
-          trailing: const Icon(Icons.chevron_right),
-          onTap: () => _navigateTo(context, CreditHistoryPage(currentCredit: settings.credit)),
-        ));
+        children.add(
+          ListTile(
+            leading: const Icon(Icons.account_balance_wallet_outlined),
+            title: const Text('积分'),
+            subtitle: Text('${settings.credit} 积分'),
+            trailing: const Icon(Icons.chevron_right),
+            onTap: () => _navigateTo(
+              context,
+              CreditHistoryPage(currentCredit: settings.credit),
+            ),
+          ),
+        );
       }
       sections.add(_buildSection(title: '财务', children: children));
     }
     return sections;
   }
 
-  Widget _buildProfileCard(BuildContext context, UserModel? user, UserSettingModel? settings, UserCapacityModel? capacity) {
+  Widget _buildProfileCard(
+    BuildContext context,
+    UserModel? user,
+    UserSettingModel? settings,
+    UserCapacityModel? capacity,
+  ) {
     final theme = Theme.of(context);
     final colorScheme = theme.colorScheme;
 
@@ -253,17 +284,24 @@ class _SettingsPageState extends State<SettingsPage> {
                       children: [
                         Text(
                           user?.nickname ?? '未登录',
-                          style: theme.textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
+                          style: theme.textTheme.titleMedium?.copyWith(
+                            fontWeight: FontWeight.bold,
+                          ),
                         ),
                         const SizedBox(height: 2),
                         Text(
                           user?.email ?? '',
-                          style: theme.textTheme.bodySmall?.copyWith(color: colorScheme.onSurfaceVariant),
+                          style: theme.textTheme.bodySmall?.copyWith(
+                            color: colorScheme.onSurfaceVariant,
+                          ),
                         ),
                         if (user?.group != null) ...[
                           const SizedBox(height: 4),
                           Container(
-                            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
+                            padding: const EdgeInsets.symmetric(
+                              horizontal: 8,
+                              vertical: 2,
+                            ),
                             decoration: BoxDecoration(
                               color: colorScheme.primaryContainer,
                               borderRadius: BorderRadius.circular(8),
@@ -316,9 +354,12 @@ class _SettingsPageState extends State<SettingsPage> {
           mainAxisAlignment: MainAxisAlignment.spaceBetween,
           children: [
             Text('存储空间', style: theme.textTheme.bodySmall),
-            Text('$usedText / $totalText', style: theme.textTheme.bodySmall?.copyWith(
-              color: colorScheme.onSurfaceVariant,
-            )),
+            Text(
+              '$usedText / $totalText',
+              style: theme.textTheme.bodySmall?.copyWith(
+                color: colorScheme.onSurfaceVariant,
+              ),
+            ),
           ],
         ),
         const SizedBox(height: 6),
@@ -334,7 +375,10 @@ class _SettingsPageState extends State<SettingsPage> {
     );
   }
 
-  Widget _buildSection({required String title, required List<Widget> children}) {
+  Widget _buildSection({
+    required String title,
+    required List<Widget> children,
+  }) {
     return Padding(
       padding: const EdgeInsets.symmetric(vertical: 4),
       child: Column(
@@ -366,11 +410,18 @@ class _SettingsPageState extends State<SettingsPage> {
       child: OutlinedButton.icon(
         onPressed: () => _confirmLogout(context, auth),
         icon: Icon(Icons.logout, color: Theme.of(context).colorScheme.error),
-        label: Text('退出登录', style: TextStyle(color: Theme.of(context).colorScheme.error)),
+        label: Text(
+          '退出登录',
+          style: TextStyle(color: Theme.of(context).colorScheme.error),
+        ),
         style: OutlinedButton.styleFrom(
           minimumSize: const Size(double.infinity, 48),
-          side: BorderSide(color: Theme.of(context).colorScheme.error.withValues(alpha: 0.3)),
-          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+          side: BorderSide(
+            color: Theme.of(context).colorScheme.error.withValues(alpha: 0.3),
+          ),
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(12),
+          ),
         ),
       ),
     );
@@ -407,33 +458,47 @@ class _SettingsPageState extends State<SettingsPage> {
               padding: const EdgeInsets.symmetric(vertical: 16),
               child: Text('存储包', style: Theme.of(ctx).textTheme.titleMedium),
             ),
-            ...packs.map((pack) => Card(
-              child: Padding(
-                padding: const EdgeInsets.all(12),
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
-                  children: [
-                    Row(
-                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                      children: [
-                        Text(pack.name, style: Theme.of(ctx).textTheme.titleSmall),
-                        Text(_formatBytes(pack.size), style: Theme.of(ctx).textTheme.labelLarge),
-                      ],
-                    ),
-                    const SizedBox(height: 4),
-                    Text(
-                      '激活: ${_formatDate(pack.activeSince)}'
-                      '${pack.expireAt != null ? " · 到期: ${_formatDate(pack.expireAt!)}" : " · 永久"}',
-                      style: Theme.of(ctx).textTheme.bodySmall,
-                    ),
-                    if (pack.isExpired) ...[
+            ...packs.map(
+              (pack) => Card(
+                child: Padding(
+                  padding: const EdgeInsets.all(12),
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Row(
+                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                        children: [
+                          Text(
+                            pack.name,
+                            style: Theme.of(ctx).textTheme.titleSmall,
+                          ),
+                          Text(
+                            _formatBytes(pack.size),
+                            style: Theme.of(ctx).textTheme.labelLarge,
+                          ),
+                        ],
+                      ),
                       const SizedBox(height: 4),
-                      Text('已过期', style: TextStyle(color: Theme.of(ctx).colorScheme.error, fontSize: 12)),
+                      Text(
+                        '激活: ${_formatDate(pack.activeSince)}'
+                        '${pack.expireAt != null ? " · 到期: ${_formatDate(pack.expireAt!)}" : " · 永久"}',
+                        style: Theme.of(ctx).textTheme.bodySmall,
+                      ),
+                      if (pack.isExpired) ...[
+                        const SizedBox(height: 4),
+                        Text(
+                          '已过期',
+                          style: TextStyle(
+                            color: Theme.of(ctx).colorScheme.error,
+                            fontSize: 12,
+                          ),
+                        ),
+                      ],
                     ],
-                  ],
+                  ),
                 ),
               ),
-            )),
+            ),
             const SizedBox(height: 16),
           ],
         ),
@@ -449,10 +514,15 @@ class _SettingsPageState extends State<SettingsPage> {
         title: const Text('取消会员'),
         content: const Text('确定要取消当前会员吗？取消后将失去会员权益。'),
         actions: [
-          TextButton(onPressed: () => Navigator.of(ctx).pop(false), child: const Text('取消')),
+          TextButton(
+            onPressed: () => Navigator.of(ctx).pop(false),
+            child: const Text('取消'),
+          ),
           FilledButton(
             onPressed: () => Navigator.of(ctx).pop(true),
-            style: FilledButton.styleFrom(backgroundColor: Theme.of(ctx).colorScheme.error),
+            style: FilledButton.styleFrom(
+              backgroundColor: Theme.of(ctx).colorScheme.error,
+            ),
             child: const Text('确认取消'),
           ),
         ],
@@ -479,6 +549,42 @@ class _SettingsPageState extends State<SettingsPage> {
     }
   }
 
+  Future<void> _openNetworkTest(BuildContext context) async {
+    final agreed = await showDialog<bool>(
+      context: context,
+      barrierDismissible: false,
+      builder: (dialogContext) => AlertDialog(
+        title: const Text('会话信息授权'),
+        content: _NetworkTestConsentText(
+          onOpenPrivacy: () => launchUrl(
+            Uri.parse('https://www.gongyun.org/policy/privacy.html'),
+            mode: LaunchMode.externalApplication,
+          ),
+          onOpenTerms: () => launchUrl(
+            Uri.parse('https://www.gongyun.org/policy/terms.html'),
+            mode: LaunchMode.externalApplication,
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(dialogContext).pop(false),
+            child: const Text('不同意'),
+          ),
+          FilledButton(
+            onPressed: () => Navigator.of(dialogContext).pop(true),
+            child: const Text('同意'),
+          ),
+        ],
+      ),
+    );
+
+    if (agreed == true && context.mounted) {
+      await Navigator.of(
+        context,
+      ).push(MaterialPageRoute(builder: (_) => const NetworkTestPage()));
+    }
+  }
+
   Future<void> _confirmLogout(BuildContext context, AuthProvider auth) async {
     final confirmed = await showDialog<bool>(
       context: context,
@@ -486,10 +592,15 @@ class _SettingsPageState extends State<SettingsPage> {
         title: const Text('退出登录'),
         content: const Text('确定要退出当前账号吗？'),
         actions: [
-          TextButton(onPressed: () => Navigator.of(ctx).pop(false), child: const Text('取消')),
+          TextButton(
+            onPressed: () => Navigator.of(ctx).pop(false),
+            child: const Text('取消'),
+          ),
           FilledButton(
             onPressed: () => Navigator.of(ctx).pop(true),
-            style: FilledButton.styleFrom(backgroundColor: Theme.of(context).colorScheme.error),
+            style: FilledButton.styleFrom(
+              backgroundColor: Theme.of(context).colorScheme.error,
+            ),
             child: const Text('退出'),
           ),
         ],
@@ -506,7 +617,9 @@ class _SettingsPageState extends State<SettingsPage> {
   String _formatBytes(int bytes) {
     if (bytes < 1024) return '$bytes B';
     if (bytes < 1024 * 1024) return '${(bytes / 1024).toStringAsFixed(1)} KB';
-    if (bytes < 1024 * 1024 * 1024) return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
+    if (bytes < 1024 * 1024 * 1024) {
+      return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
+    }
     return '${(bytes / (1024 * 1024 * 1024)).toStringAsFixed(1)} GB';
   }
 
@@ -515,6 +628,75 @@ class _SettingsPageState extends State<SettingsPage> {
   }
 }
 
+class _NetworkTestConsentText extends StatefulWidget {
+  final VoidCallback onOpenPrivacy;
+  final VoidCallback onOpenTerms;
+
+  const _NetworkTestConsentText({
+    required this.onOpenPrivacy,
+    required this.onOpenTerms,
+  });
+
+  @override
+  State<_NetworkTestConsentText> createState() =>
+      _NetworkTestConsentTextState();
+}
+
+class _NetworkTestConsentTextState extends State<_NetworkTestConsentText> {
+  late final TapGestureRecognizer _privacyRecognizer;
+  late final TapGestureRecognizer _termsRecognizer;
+
+  @override
+  void initState() {
+    super.initState();
+    _privacyRecognizer = TapGestureRecognizer()..onTap = widget.onOpenPrivacy;
+    _termsRecognizer = TapGestureRecognizer()..onTap = widget.onOpenTerms;
+  }
+
+  @override
+  void didUpdateWidget(covariant _NetworkTestConsentText oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    _privacyRecognizer.onTap = widget.onOpenPrivacy;
+    _termsRecognizer.onTap = widget.onOpenTerms;
+  }
+
+  @override
+  void dispose() {
+    _privacyRecognizer.dispose();
+    _termsRecognizer.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final linkStyle = TextStyle(
+      color: Theme.of(context).colorScheme.primary,
+      fontWeight: FontWeight.w700,
+    );
+
+    return RichText(
+      text: TextSpan(
+        style: Theme.of(context).textTheme.bodyMedium,
+        children: [
+          const TextSpan(text: '您需同意'),
+          TextSpan(
+            text: '隐私政策',
+            style: linkStyle,
+            recognizer: _privacyRecognizer,
+          ),
+          const TextSpan(text: '与'),
+          TextSpan(
+            text: '用户协议',
+            style: linkStyle,
+            recognizer: _termsRecognizer,
+          ),
+          const TextSpan(text: '方可进入网络测试页。'),
+        ],
+      ),
+    );
+  }
+}
+
 class _SettingsTile extends StatelessWidget {
   final IconData icon;
   final String title;