feat: 实现 Auth 全局状态机与 401 统一处理机制

- 新增 AuthSessionInvalidated 事件处理 token 失效场景
- ApiInterceptor 新增 authFailureCallback 单飞机制
- AuthBloc 区分 manual logout 与 auto expiry 语义
- 新增 startup recovery fallback 防止启动卡死

feat: 重构 Calendar DayWeek 视图事件布局引擎

- 新增 DayEventLayoutEngine 解耦事件计算与渲染
- 新增 DayTimelineMetrics 统一时间轴常量
- 新增 DayViewScale 支持捏合缩放

feat: 新增 Settings 页面共享 UI 组件

- 新增 BackTitlePageHeader 统一页面 header
- 新增 DetailHeaderActionMenu 统一操作菜单
- 新增 DestructiveActionSheet 统一删除确认
- 新增 AppToggleSwitch 统一开关组件

feat: Chat UI Schema 支持导航操作

- 支持 navigation 类型 action 触发内部路由跳转
- 新增路径验证与参数处理

chore: 更新相关测试覆盖 auth 失效路径

apps/lib/features/settings/ui/screens/memory_screen.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
 import '../../../../core/theme/design_tokens.dart';
-import '../../../../shared/widgets/page_header.dart' as widgets;
+import '../../../../shared/widgets/app_toggle_switch.dart';
 import '../../data/services/memory_service.dart';
+import '../widgets/settings_page_scaffold.dart';
 
 class MemoryScreen extends StatefulWidget {
   const MemoryScreen({super.key});
@@ -23,33 +25,22 @@ class _MemoryScreenState extends State<MemoryScreen> {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: AppColors.surfaceSecondary,
-      body: SafeArea(
-        child: Column(
-          children: [
-            widgets.PageHeader(leading: widgets.BackButton(), height: 56),
-            Expanded(
-              child: SingleChildScrollView(
-                padding: const EdgeInsets.fromLTRB(20, 12, 20, 20),
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
-                  children: [
-                    _buildToggleCard(),
-                    if (_memoryItems.isNotEmpty) ...[
-                      const SizedBox(height: 14),
-                      _buildListTitle(),
-                      const SizedBox(height: 8),
-                      _buildMemoryList(),
-                    ],
-                    const SizedBox(height: 20),
-                    _buildManageButton(),
-                  ],
-                ),
-              ),
-            ),
+    return SettingsPageScaffold(
+      title: '我的记忆',
+      onBack: () => context.pop(),
+      body: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          _buildToggleCard(),
+          if (_memoryItems.isNotEmpty) ...[
+            const SizedBox(height: 14),
+            _buildListTitle(),
+            const SizedBox(height: 8),
+            _buildMemoryList(),
           ],
-        ),
+          const SizedBox(height: 20),
+          _buildManageButton(),
+        ],
       ),
     );
   }
@@ -63,8 +54,10 @@ class _MemoryScreenState extends State<MemoryScreen> {
         border: Border.all(color: AppColors.borderSecondary),
       ),
       child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
         children: [
           Row(
+            crossAxisAlignment: CrossAxisAlignment.center,
             mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: [
               const Text(
@@ -114,9 +107,10 @@ class _MemoryScreenState extends State<MemoryScreen> {
       decoration: BoxDecoration(
         color: AppColors.white,
         borderRadius: BorderRadius.circular(16),
-        border: Border.all(color: const Color(0xFFE1E8F3)),
+        border: Border.all(color: AppColors.borderSecondary),
       ),
       child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
         children: [
           for (int i = 0; i < _memoryItems.length; i++) ...[
             _buildMemoryItem(_memoryItems[i]),
@@ -136,9 +130,10 @@ class _MemoryScreenState extends State<MemoryScreen> {
         decoration: BoxDecoration(
           color: AppColors.surfaceTertiary,
           borderRadius: BorderRadius.circular(12),
-          border: Border.all(color: const Color(0xFFE8EDF7)),
+          border: Border.all(color: AppColors.borderSecondary),
         ),
         child: Row(
+          crossAxisAlignment: CrossAxisAlignment.center,
           children: [
             Container(
               width: 32,
@@ -175,7 +170,11 @@ class _MemoryScreenState extends State<MemoryScreen> {
                 ],
               ),
             ),
-            const Icon(Icons.chevron_right, size: 16, color: Color(0xFF9AAAC1)),
+            const Icon(
+              Icons.chevron_right,
+              size: 16,
+              color: AppColors.slate400,
+            ),
           ],
         ),
       ),
@@ -190,7 +189,7 @@ class _MemoryScreenState extends State<MemoryScreen> {
         decoration: BoxDecoration(
           color: AppColors.white,
           borderRadius: BorderRadius.circular(12),
-          border: Border.all(color: const Color(0xFFDCE6F4)),
+          border: Border.all(color: AppColors.borderSecondary),
         ),
         child: const Center(
           child: Text(
@@ -207,33 +206,6 @@ class _MemoryScreenState extends State<MemoryScreen> {
   }
 
   Widget _buildToggle(bool value, ValueChanged<bool> onChanged) {
-    return GestureDetector(
-      onTap: () => onChanged(!value),
-      child: Container(
-        width: 44,
-        height: 24,
-        padding: const EdgeInsets.all(2),
-        decoration: BoxDecoration(
-          color: value ? const Color(0xFFBFDBFE) : const Color(0xFFF1F5FC),
-          borderRadius: BorderRadius.circular(12),
-          border: Border.all(
-            color: value ? const Color(0xFF93C5FD) : const Color(0xFFD5DFEE),
-          ),
-        ),
-        child: AnimatedAlign(
-          duration: const Duration(milliseconds: 150),
-          alignment: value ? Alignment.centerRight : Alignment.centerLeft,
-          child: Container(
-            width: 20,
-            height: 20,
-            decoration: BoxDecoration(
-              color: AppColors.white,
-              borderRadius: BorderRadius.circular(10),
-              border: Border.all(color: const Color(0xFFCCDDF8)),
-            ),
-          ),
-        ),
-      ),
-    );
+    return AppToggleSwitch(value: value, onChanged: onChanged);
   }
 }