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

backend/src/core/config/static/route/frontend_routes.yaml

@@ -0,0 +1,118 @@
+version: "1.0"
+routes:
+  - route_id: auth.boot
+    path: /boot
+    description: Bootstraps auth session and redirects to login or home.
+    category: auth
+    auth_required: false
+  - route_id: auth.login
+    path: /
+    description: Login entry for unauthenticated users.
+    category: auth
+    auth_required: false
+  - route_id: auth.register
+    path: /register
+    description: Account registration page.
+    category: auth
+    auth_required: false
+  - route_id: auth.register_verification
+    path: /register/verification
+    description: Verifies registration code after signup.
+    category: auth
+    auth_required: false
+  - route_id: auth.reset_password
+    path: /reset-password
+    description: Resets password using verification flow.
+    category: auth
+    auth_required: false
+  - route_id: home.main
+    path: /home
+    description: Main assistant home screen.
+    category: home
+    auth_required: true
+  - route_id: message.invite_list
+    path: /messages/invites
+    description: Lists message invitations.
+    category: messages
+    auth_required: true
+  - route_id: message.invite_detail
+    path: /messages/invites/{id}
+    description: Shows details for a single invitation.
+    category: messages
+    auth_required: true
+    path_params:
+      - id
+  - route_id: contacts.list
+    path: /contacts
+    description: Contact list and quick relationship actions.
+    category: contacts
+    auth_required: true
+  - route_id: contacts.add
+    path: /contacts/add
+    description: Create or edit a contact profile.
+    category: contacts
+    auth_required: true
+  - route_id: calendar.dayweek
+    path: /calendar/dayweek
+    description: Day and week calendar view.
+    category: calendar
+    auth_required: true
+    query_params:
+      - date
+      - from
+  - route_id: calendar.month
+    path: /calendar/month
+    description: Month calendar overview.
+    category: calendar
+    auth_required: true
+    query_params:
+      - from
+  - route_id: calendar.event_detail
+    path: /calendar/events/{id}
+    description: Detail page for one calendar event.
+    category: calendar
+    auth_required: true
+    path_params:
+      - id
+  - route_id: todo.list
+    path: /todo
+    description: Todo quadrants and backlog overview.
+    category: todo
+    auth_required: true
+  - route_id: todo.detail
+    path: /todo/{id}
+    description: Detail page for one todo item.
+    category: todo
+    auth_required: true
+    path_params:
+      - id
+  - route_id: settings.main
+    path: /settings
+    description: Settings hub page.
+    category: settings
+    auth_required: true
+  - route_id: settings.features
+    path: /settings/features
+    description: Cycle planning settings page.
+    category: settings
+    auth_required: true
+  - route_id: settings.memory
+    path: /settings/memory
+    description: Memory preferences and controls.
+    category: settings
+    auth_required: true
+  - route_id: settings.account
+    path: /settings/account
+    description: Account profile and security entry points.
+    category: settings
+    auth_required: true
+  - route_id: settings.change_password
+    path: /change-password
+    description: Password change page.
+    category: settings
+    auth_required: true
+  - route_id: settings.edit_profile
+    path: /edit-profile
+    description: Profile editing page.
+    category: settings
+    auth_required: true