Security: Add admin/layout.tsx auth guard; Add requirePermission() to 12 admin pages Dashboard: Fix StudentStatsGrid rendering; Fix teacher greeting; Add loading/error boundaries; Fix col-span; Add metadata Announcements: Fix audience filtering; Add user detail page; Trigger notifications on publish; Pass classes data; Add loading.tsx Messages: Implement soft delete; Add unread badge with polling; Add notification dropdown polling; Add keyword search; Add quiet hours DND Management: Add loading/error for 9 admin routes; Fix admin-classes-view to use Select for school/grade Profile/Settings: Add loading/error; Fix parent role routing; Create ParentSettingsView; Integrate AiProviderSettingsCard; Add Tab URL persistence; Add logout confirm; Add avatar; Fix Progress arbitrary class Schema: Add senderDeletedAt/receiverDeletedAt to messages; Add quietHours to notificationPreferences; Add uniqueIndex import Docs: Update architecture docs 004/005
主要变更: - 新增 lesson-preparation 模块: 备课编辑器、节点编辑、AI 建议、知识点选择、版本历史、作业发布 - 新增 shared 通用组件: charts/question-bank-filters/schedule-list/ui (chip-nav/filter-bar/page-header/stat-card/stat-item) - 新增 student/admin 端 loading.tsx 与 error.tsx, 优化加载与错误态体验 - 新增 teacher/lesson-plans 页面 (列表/新建/编辑) - 新增 drizzle 迁移 0002_tiny_lionheart 及 snapshot - 新增 textbooks/schema.ts 与 exams/utils/normalize-structure.ts - 修复 Tiptap v3 SSR hydration 崩溃 (rich-text-block immediatelyRender: false) - 重构多模块 data-access/actions/组件, 修复权限校验与类型规范 - 同步架构文档 004/005 反映新增模块、导出、依赖关系 - 归档 bugs/* 测试报告与 e2e 测试脚本 (admin/parent/student/teacher web_test)