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SpecialX
6114607c1e feat(exams,homework): add rich text exam editor and scan-based grading 
- Add Tiptap-based rich text editor with custom extensions (dotted-mark,
  blank-node, image-node, group-block, question-block) for exam creation
- Add AI auto-marking action to convert pasted exam text to structured editor doc
- Add resizable split-panel layout for editor + live preview
- Add student scan upload (photo of paper answers) with drag-drop and reorder
- Add scan image viewer with zoom/rotate/fullscreen for teachers
- Add scan grading view with side-by-side questions and scan images
- Add /teacher/exams/new and /teacher/homework/submissions/[id]/scan-grading routes
- Fix getScansAction to support both teacher (HOMEWORK_GRADE) and student
  (HOMEWORK_SUBMIT) permission scopes
- Add i18n keys for rich editor, scan upload, and scan grading (zh-CN/en)
- Sync architecture diagrams (004/005) with new modules, routes, and deps
 2026-06-24 13:16:33 +08:00
SpecialX
0c64219cb8 docs: add exam rich editor and photo grading design plan
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- Add design plan for exam rich text editor and photo-based grading feature
 2026-06-24 12:04:26 +08:00
SpecialX
1f833097e2 feat(shared): add errors lib, question-content, and update permissions and UI 
- Add errors lib for standardized error handling

- Add question-content lib for question content processing

- Update action-utils, ai/provider-config, auth-guard, permissions, types/permissions

- Update UI sheet component

- Update proxy middleware
 2026-06-24 12:04:09 +08:00
SpecialX
e3b8455b31 feat(i18n): add new i18n message files and update request config 
- Add new i18n message files: audit, course-plans, files, leave, nav, practice, scheduling, student, users

- Update existing i18n messages: ai, attendance, common, diagnostic, elective, error-book, exam-homework, grades, lesson-preparation, school, settings

- Update i18n request config for new locale handling
 2026-06-24 12:04:01 +08:00
SpecialX
37d2688a28 feat(app): add lesson-plans, practice, and grade dashboard routes 
- Add admin/lesson-plans, parent/lesson-plans, student/lesson-plans routes

- Add student/practice and teacher/practice routes for adaptive practice

- Add management/grade/dashboard and management/grade/practice routes

- Add teacher/lesson-plans error and loading boundaries

- Update existing admin, parent, student, teacher pages with new features

- Update globals.css and proxy middleware
 2026-06-24 12:03:47 +08:00
SpecialX
8c2fe14c20 refactor(modules): update classes, course-plans, diagnostic, questions, settings, student, layout 
- Update classes data-access (invitations, main) for invitation management

- Update course-plans actions, data-access, and types

- Update diagnostic data-access for report queries

- Update questions data-access for question bank queries

- Update settings actions, ai-provider-settings-card, data-access, and types

- Update student course-filters, student-courses-view, student-schedule-filters, student-schedule-view

- Update layout app-sidebar, site-header, and navigation config
 2026-06-24 12:03:35 +08:00
SpecialX
c9e46f9f80 feat(school): add grade dashboard and insights filters 
- Add grade-dashboard components directory for school-wide grade analytics

- Add grade-insights-filters component for filtering grade insights

- Update grades-view and data-access
 2026-06-24 12:03:22 +08:00
SpecialX
f0f713ff33 feat(exams,homework): add error collection data-access for error book integration 
- Add data-access-error-collection in exams module for collecting wrong exam answers

- Add data-access-error-collection in homework module for collecting wrong homework answers

- Update exams actions, exam-ai-generator, data-access, and types

- Update homework actions and data-access-write
 2026-06-24 12:03:03 +08:00
SpecialX
0cee93676b feat(grades): add scope-check and update analytics 
- Add scope-check lib for grade data access scope validation

- Update actions, actions-analytics, data-access, data-access-analytics

- Update batch-grade-entry, schema, and types
 2026-06-24 12:02:50 +08:00
SpecialX
6bc113eaff feat(lesson-preparation): add readonly view, anchor node selector, and type guards 
- Add lesson-plan-readonly-view for viewing published plans

- Add anchor-node-selector and textbook-segments for canvas anchor positioning

- Add i18n-errors and type-guards lib utilities

- Add lesson-plan-provider-setup for provider initialization

- Update actions, data-access (knowledge, versions, main), publish-service

- Update blocks (blackboard, exercise, homework, import, key-point, objective, reflection)

- Update editor, node-editor, node-edit-panel, pickers, and providers
 2026-06-24 12:02:42 +08:00
SpecialX
a48e7d0e27 feat(ai): add chart renderer, floating ball hook, and provider updates 
- Add ai-chart-renderer for rendering charts in AI responses

- Add use-floating-ball hook for draggable AI assistant widget

- Update ai-assistant-widget, ai-chat-panel, ai-markdown-renderer, ai-provider-selector

- Update use-ai-chat-stream hook and prompt-templates service
 2026-06-24 12:02:29 +08:00
SpecialX
61e76f0d67 feat(error-book): add analytics stats, charts, and error collection 
- Add analytics-stats-cards, chapter-weakness-chart, class-error-bar-chart

- Add knowledge-point-weakness-chart, subject-distribution-chart, subject-tabs

- Add class-filter and grouped-student-error-table components

- Add data-access-collection for error aggregation from multiple sources

- Update error-book-detail-dialog, data-access, and types
 2026-06-24 12:02:16 +08:00
SpecialX
d7876c5854 feat(adaptive-practice): add new adaptive practice module 
- Add adaptive practice module with data-access, schema, types, and components

- Provides personalized practice based on student performance and error patterns
 2026-06-24 12:02:04 +08:00
SpecialX
9783be58c0 feat(scripts): add diagnostic, seed, and test scripts 
- Add add-ai-provider-visibility and add-missing-columns migration scripts

- Add clear-error-book, seed-error-book, diagnose-error-book scripts

- Add diagnose-tables and create-missing-tables scripts

- Add test-failing-modules and test-teacher-pages test scripts
 2026-06-24 12:01:54 +08:00
SpecialX
e4254f0f8e docs: update architecture map and add lesson-preparation usage fixes design 
- Update architecture impact map (004) and data (005) with new modules

- Add lesson-preparation usage fixes design spec

- Add teacher web test post-audit report
 2026-06-24 12:01:35 +08:00
SpecialX
9d87388524 feat(db): add grade_record_answers migration and update schema 
- Add migration 0010 for grade_record_answers table

- Update shared DB schema with new table definitions
 2026-06-24 12:01:26 +08:00
SpecialX
eb28a523cb chore(config): update ESLint config and dependencies 
- Update eslint.config.mjs rules

- Update package.json and package-lock.json dependencies
 2026-06-24 12:01:09 +08:00
SpecialX
7e320d78c1 feat(ai): 统一 AI 配置入口到 /admin/ai-settings 
## 新增
- 创建 /admin/ai-settings 统一配置页（AiProviderSettingsCard + AiUsageDashboard）
- admin 侧边栏新增"AI 配置"菜单项（权限 AI_CONFIGURE，图标 Sparkles）
- 新增 deleteAiProvider 数据访问层（事务删除 + 自动转移默认）
- 新增 deleteAiProviderAction Server Action（Zod 校验 + 权限校验）
- AiProviderSettingsCard 新增删除按钮（AlertDialog 确认 + destructive 变体）
- 新增 i18n 翻译键（delete/deleteConfirm/deleteSuccess 等，zh-CN + en）

## 移除
- 从 /settings 移除 AI 标签页（原 VALID_TABS 含 "ai"，现仅 4 标签页）
- 从考试页面移除 AI 配置弹窗（Dialog + AiProviderSettingsCard 内嵌）
- 从 ai-provider-selector.tsx 移除配置弹窗（managePanel/manageOpen props）
- 移除 settings-view.tsx 中 canConfigureAi 逻辑和未使用 import

## 变更
- 考试页面"管理"按钮改为 Link 跳转到 /admin/ai-settings
- ai-provider-selector.tsx"管理"按钮改为 Link 跳转到 /admin/ai-settings
- exam-form.tsx 移除 providerDialogOpen/providerDialogKey 状态
- 修正架构文档 004 中 Action 命名（getAiProvidersAction → getAiProviderSummaries 等）

## 架构文档同步
- 004 更新 settings 模块章节（V3 标记/修正 Action 名称/新增 deleteAiProvider）
- 005 新增 deleteAiProviderAction 节点 + /admin/ai-settings 路由
 2026-06-23 19:33:28 +08:00
SpecialX
d884c6d513 test: update and add E2E, integration, visual, and webapp tests
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- Update E2E tests: announcements, auth, auth-business-flow, full-route-regression, grades, navigation, smoke-auth, teacher-web-test

- Update integration tests: api-ai-chat, api-onboarding-complete, api-onboarding-status, proxy-guard, integration setup

- Update visual regression tests: admin-dashboard, homepage, student-dashboard, teacher-dashboard, visual config, helpers

- Update webapp tests: admin, parent, student full tests and debug scripts

- Add new webapp tests: announcements_messages, settings_profile, debug scripts

- Add webtest directory with test plans, screenshots, and diagnostic scripts
 2026-06-23 17:39:40 +08:00
SpecialX
f40ce0f560 refactor(auth): update auth configuration, env validation, and test mocks 
- Update src/auth.ts auth configuration

- Update src/env.mjs environment variable validation

- Update exam-data and question-data mocks for testing
 2026-06-23 17:39:32 +08:00
SpecialX
4f0ef217a0 refactor(modules): update existing module implementations across attendance, audit, auth, classes, course-plans, exams, files, homework, layout, proctoring, questions, scheduling, textbooks, users 
- Update attendance components and data-access for record management

- Update audit log views, filters, and data-access

- Update auth login and register forms

- Update classes actions, components, and data-access (admin, schedule, stats)

- Update course-plans actions, form, list, progress, and schema

- Update exams actions, AI pipeline, preview components, and hooks

- Update files components (icon, list, preview, upload) and data-access

- Update homework assignment form, review view, auto-save hook, and stats-service

- Update layout sidebar, header, and navigation config

- Update proctoring actions, anti-cheat monitor, and data-access

- Update questions actions, components (dialog, actions, columns, filters), and data-access

- Update scheduling actions, auto-scheduler, components, and schema

- Update textbooks constants and text-selection hook

- Update users class-registration, import-dialog, data-access, and user-service
 2026-06-23 17:38:56 +08:00
SpecialX
1a9377222c feat(app): add error/loading boundaries and update dashboard routes 
- Add error.tsx and loading.tsx boundaries for admin, parent, student, teacher routes

- Add dashboard-error-fallback and dashboard-loading-skeleton components

- Add student/learning page, parent/leave routes, teacher textbook components

- Update existing app routes across auth, dashboard, and API endpoints

- Update proxy middleware and next-auth type declarations
 2026-06-23 17:38:28 +08:00
SpecialX
c4d3433cc9 feat(shared): add UI components, hooks, form fields, and action utils 
- Add UI components: confirm-delete-dialog, empty-table-row, list-pagination, pagination, status-badge

- Add form-fields directory for reusable form field components

- Add hooks: use-action-mutation, use-action-query for server action integration

- Add action-utils lib for action state helpers

- Update a11y components, charts, global-search, onboarding-gate, question components

- Update UI components: chip-nav, filter-bar, page-header, stat-card, stat-item, switch, table

- Update hooks: use-action-with-toast, use-aria-live, use-debounce, use-local-storage, use-media-query, use-permission

- Update lib: a11y, ai, audit-logger, auth-guard, bcrypt-utils, change-logger, download, excel, file-storage, http-utils, login-logger, password-policy, password-security-service, permissions, rate-limit, role-utils, search-params, session, storage-provider

- Update types: action-state, permissions

- Update i18n messages (en, zh-CN) for dashboard, diagnostic, grades, lesson-preparation, settings
 2026-06-23 17:38:14 +08:00
SpecialX
9ceb2b7b67 feat(diagnostic): add export, stats service, and confidence utils 
- Add export module for diagnostic report data export

- Add stats-service for diagnostic analytics aggregation

- Add confidence-utils for diagnostic confidence score calculations
 2026-06-23 17:37:58 +08:00
SpecialX
1abf58c0b6 feat(parent): add attention banner, export button, and grade detail 
- Add parent-attention-banner for highlighting items needing attention

- Add parent-export-button for data export capability

- Add child-grade-detail component for detailed grade viewing

- Update existing child-card, child-detail-header, child-grade-summary, child-schedule-card

- Update parent-children-data-page and data-access
 2026-06-23 17:37:49 +08:00
SpecialX
95145cd03b feat(grades): add ranking trend, school-wide summary, score cell, and scope filter 
- Add ranking-trend-card and school-wide-summary-card for broader analytics

- Add score-cell and grade-filters components for table rendering

- Add scope-filter and type-guards lib utilities for grade data filtering

- Update actions, data-access (analytics, ranking, main), stats-service, export

- Update schema, types, and grade-utils lib

- Update all grade chart and report components (distribution, trend, comparison, query)
 2026-06-23 17:37:32 +08:00
SpecialX
2197e68069 feat(lesson-preparation): add anchor canvas design, new blocks, and textbook content node 
- Add anchor injector for canvas-based anchor positioning

- Add new block components: blackboard, homework, import, key-point, new-teaching, objective, summary

- Add textbook content node for React Flow canvas

- Update actions (kp, publish, main), data-access (templates, versions, main)

- Update editor, node-editor, block-renderer, and picker components

- Update schema, types, hooks, and lib utilities (document-migration, node-summary, rf-mappers)
 2026-06-23 17:37:19 +08:00
SpecialX
1fcef5c3aa feat(settings): add security center, 2FA/TOTP, avatar upload, system settings 
- Add TOTP implementation and two-factor data-access for 2FA enrollment

- Add security center card with password policy and session management

- Add avatar upload action and component

- Add system settings actions and data-access (actions-system-settings, data-access-system-settings)

- Add notification preferences and service actions

- Add security-utils and student-overview-data with tests

- Update existing settings views, data-access, and types for new features
 2026-06-23 17:37:06 +08:00
SpecialX
242a770cc9 feat(onboarding): add onboarding module with actions and data access 
- Add server actions for onboarding flow orchestration

- Add data-access layer for onboarding state persistence

- Add type definitions for onboarding module
 2026-06-23 17:36:56 +08:00
SpecialX
bf056399c6 feat(error-book): implement error book module with SM2 spaced repetition 
- Add SM2 algorithm implementation with tests for spaced repetition review scheduling

- Add data-access, schema, types, and server actions for error book CRUD

- Add components: add dialog, class overview, filters, item card, stats cards, review buttons, top wrong questions

- Add error-book routes for admin, teacher, parent, and student roles

- Add i18n messages (en, zh-CN) for error book module
 2026-06-23 17:36:42 +08:00
SpecialX
396c2c568d feat(db): update database migrations and schema relations 
- Update drizzle migrations (0000, 0001, 0002) and meta snapshots

- Update DB relations definition
 2026-06-23 17:36:30 +08:00
SpecialX
27db170c0a docs: update architecture docs, audit reports, and bug tracking 
- Update architecture impact map, data, feature checklist, gap audit

- Add audit reports for dashboard, exam-homework, grades-diagnostic, settings-profile, textbooks

- Update bug reports (admin, teacher, lesson-preparation, others, shared)

- Update coding standards, DR plan, design docs, and README
 2026-06-23 17:36:18 +08:00
SpecialX
5195a4bcf1 chore(config): update build tooling, CI/CD workflows, and project scripts 
- Update ESLint, Prettier, Tailwind, TypeScript, Vitest, Playwright configs

- Update Dockerfile and CI/CD workflows (ci, dr-drill, security)

- Add/Update DB backup, restore, health-check, security-scan scripts

- Update project rules and .gitignore
 2026-06-23 17:35:24 +08:00
SpecialX
276577b66c feat(messaging,announcements): 前端 UI 集成星标/草稿/置顶/已读回执 
- 消息星标：MessageList 卡片星标按钮（乐观更新+回滚）、MessageDetail 头部星标切换
- 消息草稿：MessageCompose 自动保存（2s 防抖）+ 手动保存按钮 + 状态指示器 + 发送后清理草稿
- 公告置顶：AnnouncementCard 管理端置顶按钮、AnnouncementDetail 置顶切换、置顶 Badge
- 公告已读回执：用户端详情页自动标记已读 + 已读/未读 Badge、管理端已读人数显示
- i18n：新增 announcements.meta.readCount 翻译键
 2026-06-23 17:24:26 +08:00
SpecialX
f75602d14e feat(announcements,messaging,notifications): 实现所有长期问题 — SSE 实时推送 + 通知日志持久化 + 优先级/归档 + 消息星标/草稿 + 公告已读回执/置顶 + 分类筛选/桌面推送 + 测试覆盖 
P1-8 通知实时推送（SSE）:
- 新增 /api/notifications/stream SSE 端点（15 秒推送，5 分钟超时）
- 新增 useNotificationStream Hook（SSE + 轮询降级）
- NotificationDropdown 改用 SSE 实时推送

P2-12 测试覆盖:
- notifications/dispatcher.test.ts（6 个测试，渠道选择逻辑）
- notifications/channels/in-app-channel.test.ts（9 个测试，类型映射）
- messaging/schema.test.ts（34 个测试，Zod 校验）
- tests/e2e/messages.spec.ts（消息模块 E2E 测试）
- vitest.unit.config.ts 添加 server-only stub

P2-13a 通知发送日志持久化:
- 新增 notification_logs 表（userId/title/channel/status/messageId/error/sentAt）
- logNotificationSend 改为 async 写入 DB（失败降级 console）
- dispatcher 传递 payload 用于持久化

P2-13b 通知优先级和归档:
- messageNotifications 表新增 priority（low/normal/high/urgent）和 isArchived 字段
- getNotifications 支持归档和优先级筛选
- 新增 archiveNotificationAction
- NotificationList 显示优先级 Badge 和归档按钮

P2-13c 消息星标和草稿:
- messages 表新增 isStarred 字段
- 新增 message_drafts 表
- 新增 toggleMessageStar + 草稿 CRUD Server Actions
- 新增 5 个草稿 data-access 函数

P2-13d 公告已读回执和置顶:
- announcements 表新增 isPinned 字段
- 新增 announcement_reads 表（唯一索引保证幂等）
- 新增 toggleAnnouncementPinAction + markAnnouncementAsReadAction
- getAnnouncements 排序置顶优先

P2-13e 通知分类筛选和桌面推送:
- NotificationList 添加按类型筛选按钮组
- 新增 useDesktopNotifications Hook（浏览器 Notification API）
- NotificationDropdown 集成桌面推送（新通知触发）

架构图同步:
- 004 和 005 均已更新（新增表、Action、Hook、组件描述）
 2026-06-23 10:13:57 +08:00
SpecialX
696346dc08 fix(ai): V3 长期问题修复+规则合规+竞品对标 
## P1 安全加固
- 原子化每日限额（tryConsumeDailyQuota）解决 TOCTOU 竞态
- 流式端点补齐 Zod 校验 + rate limit + 服务端强制 systemPrompt
- 配额回退机制（refundDailyQuota）：过滤/失败不扣配额
- PII 最小化：移除 AI prompt 中的学生姓名

## P1 数据一致性
- 修复 capability 埋点缺失 child_summary/study_path 类型
- 创建 data-access.ts：真实统计聚合替代硬编码零
- 修复 generateChildSummary/recommendStudyPath 的 capability 标记

## P2 可靠性
- AI 调用重试机制（withRetry 指数退避，429/5xx，2 次重试）
- 30s 超时配置
- 流式 controller 安全 enqueue（防已关闭抛错）
- localStorage 防抖持久化（500ms，流式过程中跳过）

## P2 TypeScript/规则合规
- 移除 as 断言（VariantType 类型守卫、Permission 类型、StreamErrorKey）
- 补齐返回类型标注（POST/getStatusFromError/DashboardLayout）
- 拆分 use-ai-chat-stream hook（190→107 行，函数体≤80 行）
- 抽取 stream-utils.ts（SSE 解析/错误映射/消息工具）
- Tailwind 任意值添加注释说明（max-w-[80%] 聊天气泡）

## P3 竞品对标
- 苏格拉底式辅导强化（对标 Khanmigo）：
  - SOCRATIC_TUTOR_SYSTEM_PROMPT 3 级提示升级
  - 强化 STUDENT_BLOCKED_PATTERNS 正则（中英文答案拦截）
  - validateSocraticOutput 服务端校验（问号结尾+连续陈述句限制）
  - socratic_warning SSE 事件类型
- 知识图谱集成（对标 Squirrel AI）：
  - StudyPathInput 新增 knowledgeGraph/textbookId 字段
  - recommendStudyPathAction 自动从 textbooks 模块获取图谱+掌握度
  - STUDY_PATH_SYSTEM_PROMPT 增加前置依赖链规则
  - WEAKNESS_ANALYSIS_SYSTEM_PROMPT 增加 rootCause 字段

## 架构文档同步
- 004 更新 AI 模块章节（V3 标记/新导出/依赖关系/安全机制/文件清单）
- 005 更新 modules.ai 节点（dependsOn/exports/dataAccess/streamUtils/dependencyMatrix）
 2026-06-23 09:39:18 +08:00
SpecialX
036a2f2839 feat(exams,homework,proctoring): 长期问题修复与竞品差距补齐 
P1-1 跨模块直查消除：
- homework/data-access-classes.ts 移除对 exams/subjects 表的 JOIN 直查
- 改为调用 exams/data-access.getExamSubjectIdMap + school/data-access.getSubjectNameMapByIds
- school/data-access.ts 新增 getSubjectNameMapByIds 批量科目名称映射函数

P1-2 as 断言消除（exam-mode-config.tsx）：
- 移除全部 10 处 as 类型断言
- 改用 useFormContext 替代 Control prop，避免 Control<T> 不变型问题
- exam-form.tsx 调用方简化为 <ExamModeConfig />（已集成到考试表单）

P1-3 as 断言消除（proctoring-dashboard.tsx）：
- 用类型守卫函数 isProctoringEventType + toProctoringEventTypes
  替代 Object.keys(...) as ProctoringEventType[] 断言

P0-竞品倒计时（对标智学网/猿题库）：
- 新增 hooks/use-exam-countdown.ts 考试倒计时 Hook
- homework-take-view.tsx 集成限时/监考模式倒计时显示与到时自动提交
- data-access.ts 的 getStudentHomeworkTakeData 新增 examModeConfig + startedAt 字段
- types.ts 扩展 StudentHomeworkTakeData 类型
- i18n 补充 timedExam/timeRemaining/timeUpAutoSubmit 翻译键

架构文档同步：
- 004/005 更新 homework/proctoring/school/exams 模块导出与依赖关系
- 005 新增 homework.hooks.useExamCountdown 与 school.dataAccess.getSubjectNameMapByIds
- 005 依赖矩阵 homework→school 补充 getSubjectNameMapByIds

验证：tsc --noEmit 零错误，eslint 零错误（3 个预存 warning 无关）
 2026-06-23 09:34:24 +08:00
SpecialX
2c0f81391b feat(dashboard): 实现所有长期问题修复（P2-1/P2-5/P2-7/P2-9） 
P2-9: TeacherSchedule 重复渲染优化
- 将移动端（lg:hidden）和桌面端（hidden lg:block）的双实例渲染改为单实例
- 使用 CSS flex order + grid col-start/row-start 实现响应式布局重排序
- 消除服务端 HTML 负载翻倍问题

P2-5: StudentTodayScheduleCard 时间过时修复
- 新增 useCurrentTime hook（src/shared/hooks/use-current-time.ts）
- 每分钟自动更新当前时间，useMemo 依赖 [items, now] 确保徽章不过时
- SSR 安全：初始渲染用 new Date()，挂载后 setInterval 更新

P2-1: 流式/Suspense 架构改造
- 新增 getAdminDashboardStreams（streams.ts）：返回各独立数据源的未解析 Promise
- Admin dashboard：7 个分区组件用 React use() 独立消费 Promise，各 Suspense 边界独立流式渲染
- Teacher/Student/Parent dashboard：传入未解析 Promise，视图用 use() 消费，启用 Suspense 流式
- 页面外壳（标题 + 快捷操作）立即渲染，数据到达后各分区按各自速度填充

P2-7: 组件测试 + 路由测试修复
- 修复 dashboard-routing.test.ts：移除误导性的 permissions 字段（实际用 resolvePermissions(roles)）
- 新增 fallback 路由测试（未知角色 → teacher dashboard）
- 新增 DashboardSection 组件测试（6 个测试：骨架屏变体 + 错误边界 + 正常渲染）
- 新增 useCurrentTime hook 测试（3 个测试：初始值 + 间隔更新 + 清理）

同步更新:
- docs/architecture/005_architecture_data.json 新增 7 个流式组件 + useCurrentTime hook + getAdminDashboardStreams 条目
 2026-06-23 09:04:40 +08:00
SpecialX
e2e0487a3b feat(attendance,elective): 实现所有 P2 长期改进项 
P2 修复（来自审计报告）：
- 2.4.4: Server Action 错误消息 i18n 化（attendance/elective 全部 Action）
- 2.5.3: 抽取 AttendancePageLayout 组件复用（admin/teacher 页面）
- 2.5.4: 抽取 ElectivePageLayout 组件复用（admin/teacher 列表页）
- 2.6.3: 考勤月历键盘导航（tabIndex + 方向键 + Home/End + role=grid）
- 2.8.2: getStudentAttendanceSummary 分页优化（SQL 聚合统计 + LIMIT 分页）
- 2.8.3: resolveCourseDisplayNames 缓存优化（React cache 去重）
- 2.1.4: elective data-access 跨模块依赖接口抽象（resolvers.ts 可注入）

P2 建议项：
- 选课时间冲突检测（parseSchedule + isScheduleConflict 纯函数 + checkScheduleConflict）
- 学分上限校验（MAX_CREDIT_PER_TERM + checkCreditLimit）
- 考勤/选课数据导出 Excel（export.ts + API 路由扩展）

新增文件：
- src/modules/attendance/components/attendance-page-layout.tsx
- src/modules/elective/components/elective-page-layout.tsx
- src/modules/elective/resolvers.ts
- src/modules/attendance/export.ts
- src/modules/elective/export.ts

校验：
- npm run lint 通过（exit 0）
- npx tsc --noEmit attendance/elective/parent 相关零错误
 2026-06-23 09:02:41 +08:00
SpecialX
c766951374 feat(school,classes): 实现 P2 长期问题全量改进项 
P2-2: 新增 OrgTreeNav 组件（学校→年级→班级三级树形导航，支持搜索过滤/选中高亮/展开折叠）

P2-3: 新增 promoteGradesAction 年级升级功能（中文数字/阿拉伯数字识别，按 order 降序避免冲突）

P2-4: 新增 bulkEnrollStudentsAction（CSV 批量导入学生）+ bulkAssignSubjectTeachersAction（CSV 批量分配教师）

P2-5: 为 department/academicYear/grade 的 9 个 CRUD Action 补充 logAudit 审计日志

同步更新架构图文档 004/005
 2026-06-23 08:55:21 +08:00
SpecialX
4da9194a5e feat(ai): V2 深度增强 — SSE 流式/全局助手/内容安全/多角色覆盖 
对标 Khanmigo/Duolingo Max/Squirrel AI/Century Tech 实现：

- SSE 流式响应：createAiChatCompletionStream AsyncGenerator + /api/ai/chat/stream SSE 端点 + useAiChatStream hook（AbortController 停止生成 + localStorage 持久化）

- Markdown 渲染：AiMarkdownRenderer（react-markdown + remark-gfm + 代码块/表格/列表 + hover 复制按钮）

- 全局 AI 助手：AiAssistantWidget 浮动按钮 + Sheet 侧抽屉 + usePathname 路由推断上下文（7 类场景系统提示）+ dashboard layout 全局注入 AiClientProvider

- 内容安全：content-safety.ts 多层过滤（输入/输出安全过滤 + 每日限制 student 50/teacher 200/parent 30/admin 500 + 学生苏格拉底模式），COPPA/FERPA K12 合规

- 多角色 AI 覆盖：家长端 AiChildSummary（学情摘要）+ 管理员端 AiUsageDashboard（使用监控）+ 学生端 AiStudyPath（个性化学习路径）

- i18n 修复：8 处错误键引用 + zh-CN/en ai.json 全面扩展

- 架构文档 004/005 同步更新
 2026-06-23 01:34:37 +08:00
SpecialX
a60105455e feat(exams,homework,parent): V3 审计深度修复 — 批量批改/考试分析/提交反馈/家长视图/移动端优化 
V3-5: exam-actions.tsx 集成 useExamHomeworkFeatures hook，按角色控制菜单项可见性
V3-7: 批量批改 — 新增 batchAutoGradeSubmissions data-access + Server Action + HomeworkBatchGradingView 组件
V3-8: 考试分析仪表盘 — 新增 getExamAnalytics stats-service + ExamAnalyticsDashboard 组件 + /teacher/exams/[id]/analytics 路由
V3-9: 提交后即时反馈页 — 新增 HomeworkSubmissionResult 组件 + /student/learning/assignments/[id]/result 路由
V3-11: 家长考试详情 — 新增 ChildExamDetail 组件 + getStudentExamResults data-access + child-detail-panel exams Tab
V3-12: 移动端触控优化 — 题目导航与考试操作按钮 44px 最小触控目标

修复: instrumentation.ts 适配器补全 questionCount/averageScore/overdueCount 字段
修复: exam-homework-port.ts 类型导入对齐 ExamWithQuestionsForHomework
修复: trend-line-chart.tsx 数据类型允许 undefined（classAverage 可选场景）

同步更新 004/005 架构文档
 2026-06-23 01:06:27 +08:00
SpecialX
21c5eba96c feat(ai): 新增 AI 模块并集成至备课/错题集/试卷/改题四大业务场景 
- 新增 src/modules/ai 独立模块，遵循三层架构（actions → services → shared/lib/ai）
- 通过 AiClientProvider + useAiClient 实现 React Context 依赖注入，业务组件零直接 import
- 6 个 Server Actions 均调用 requirePermission() 权限校验，返回 ActionState<T>
- withAiTracking 统一埋点，覆盖 chat/similar_question/grading_assist/lesson_content/question_variant/weakness_analysis
- 集成场景：作业批改 AiGradingAssist、错题集 AiErrorBookAnalysis、备课 AiLessonContentGenerator、试卷 AiQuestionVariantGenerator
- 全量 i18n（en/zh-CN ai.json），Error Boundary + Skeleton 边界处理
- 同步架构图 004/005，新增审计报告 ai-module-audit-report.md
 2026-06-23 00:52:39 +08:00
SpecialX
ec87cd9efa fix(textbooks): 规范核查修复 — 安全漏洞+功能缺失+i18n+类型安全 
安全：createPrerequisiteAction 补充 prerequisiteKpId 归属校验；deletePrerequisiteAction 补充双知识点归属校验，防止跨教材越权。

功能：实现图谱添加/删除前置依赖（Dialog + Select 选择知识点 + 调用 Server Action + 自动刷新图谱），替换原 no-op 回调。

i18n：修复 8 处硬编码英文字符串（textbook-reader/chapter-sidebar-list/textbook-card/textbook-form-dialog/textbook-settings-dialog/create-chapter-dialog/teacher-textbook-reader），新增 saveFailed/createFailed/updateFailed/deleteFailed/questionCreatorDefaultContent 等 key。

类型安全：graph-prerequisite-edge.tsx 使用 GraphEdgeData 类型经 unknown 安全转换，替代裸 as 断言。

规范：analytics.tsx 移动 use client 指令到文件第一行；同步架构文档 005 JSON 类型定义（GraphNodeData/GraphEdgeData/MasteryLevel）。

验证：教材模块 lint 零错误、tsc 零错误、193 个单元测试全部通过。
 2026-06-23 00:30:14 +08:00
SpecialX
58656da983 feat(textbooks): 知识图谱功能全面重构 — 前置依赖 + dagre 布局 + React Flow 可视化 + 师生双视角 
将教材模块图谱从基本无用状态升级为完整知识图谱可视化系统。

数据层：新增 knowledgePointPrerequisites 表（复合主键+双外键 cascade）；新增 data-access-graph.ts（server-only）知识点关联聚合、学生/班级掌握度查询；utils.ts 新增 hasCycleAfterAddingEdge（DFS 循环依赖检测）。

业务层：3 个新 Server Action（getKnowledgeGraphDataAction 三视图模式、createPrerequisiteAction 含循环检测、deletePrerequisiteAction）；graph-layout.ts 重写为 dagre 分层有向图布局。

视图层：knowledge-graph.tsx 重写为 React Flow 主组件（全书视图+搜索高亮+关联节点高亮+章节着色）；4 个新组件（graph-kp-node/graph-prerequisite-edge/graph-toolbar/graph-node-detail-panel）；use-graph-data.ts 派生值模式避免 effect 中 setState。

架构：严格三层架构，客户端通过 Server Action 间接访问 server-only 数据层；权限校验+ i18n 全覆盖；架构文档 004/005 同步。

测试：utils.test.ts 新增 5 个循环检测测试，graph-layout.test.ts 重写 5 个 dagre 布局测试，全部 30 个教材模块单元测试通过。

附带提交 drizzle/0005 error-book 迁移文件以保持 journal 一致性。
 2026-06-23 00:13:03 +08:00
SpecialX
15aa84b72c refactor(school,classes): 完成 school/grade/class 审计全量改进项 
P0-1/P0-2: 删除 grade-management 死模块，年级 CRUD 统一由 school 模块负责

P0-3: classes/actions.ts 从 974 行拆分为 6 个职责文件 + barrel re-export

P0-5: 13 个页面 i18n 全量接入（grades/departments/academic-year/classes/insights）

P1-1: 角色硬编码改为 hasAdminScope/hasTeacherScope/hasStudentScope 基于 dataScope.type

P1-3: 新增 SchoolErrorBoundary + SchoolListSkeleton/SchoolCardSkeleton，4 个页面包裹 Error Boundary

P1-4: classes/types.ts 跨领域类型添加归属决策注释

P1-5: schools-view.tsx 拆分为组合模式（SchoolFormDialog + SchoolDeleteDialog + SchoolListToolbar）

P1-6: 新增 getSchoolsForUser/getGradesForUser 权限感知查询函数

P2-1: 抽取 useSchoolData hook，对话框状态管理与 UI 分离

同步更新架构图文档 004/005
 2026-06-22 18:54:01 +08:00
SpecialX
97e59b95a1 refactor(lesson-preparation): V2 审计深度修复 — Server Actions i18n + 错误码模式 + 类型断言清零 + a11y 深度修复 + Tracker 埋点接入 
V2-1: 12 个 Server Action 通过 getTranslations 翻译错误消息；Service/DataAccess 层抛出错误码异常（PublishServiceError/LessonPlanDataError），Actions 层通过 PUBLISH_ERROR_KEY_MAP 翻译为 i18n 消息
V2-2: SYSTEM_TEMPLATES name/title 改为 i18n 键，createLessonPlan 接受 translateTitle 函数在服务端翻译后存储到 DB
V2-3: 8 处 as unknown as 断言替换为显式类型映射函数（mapRowToLessonPlan/mapRowToListItem/mapRowToTemplate/mapRowToVersion）+ 类型守卫（isLessonPlanStatus/isTemplateType/isTemplateScope）
V2-4: MiniMap nodeColor 复用 lib/node-summary.ts 的 getNodeColor
V2-5: a11y 深度修复 — lesson-plan-filters/exercise-block/inline-question-editor 的 select 添加 label htmlFor 关联；exercise-block 题目列表改为 ul/li；node-editor 画布添加 role=application + 键盘导航配置
V2-6: Tracker 埋点接入 — 新增 useLessonPlanTrackerSafe hook，在 create/save/publish/revert/duplicate/archive 6 处调用 tracker.track

同步更新架构图 004 和 005 文档
 2026-06-22 18:45:35 +08:00
SpecialX
1fe30984b6 refactor(announcements,messaging,notifications): V1+V2 审计重构 — i18n 命名空间独立 + 通知标题 i18n 化 + 服务端过滤 + 编排下沉 + 表单错误展示 + 架构图同步 
V1 改进（已完成）:
- P0-4/P1-4/P1-5: 通知组件和 CRUD Action 从 messaging 迁移至 notifications 模块
- P1-5: 新增 getMessagesPageData / getAdminAnnouncementsPageData 编排函数
- P1-6: announcements schema 添加 superRefine 条件校验
- P1-7: 新增 useMessageSearch hook（防抖 + 请求竞态取消）+ 客户端分页 UI
- P1-9: deleteMessage 事务化
- P2-11: 全模块 trackEvent 埋点
- 全模块 i18n 接入 + Error Boundary + a11y 改进

V2 改进（本次完成）:
- V2-P0-1: 通知 i18n 命名空间独立（notifications.json），useTranslations 从 "messages" 切换到 "notifications"
- V2-P0-2: 公告/消息通知标题 i18n 化，Server Action 中使用 getTranslations 生成通知标题
- V2-P1-1: AnnouncementList 纯服务端过滤，移除客户端 useState/useMemo
- V2-P1-2: MessageList 客户端过滤仅在初始数据时执行，搜索结果由服务端按 tab 过滤
- V2-P1-3: 消息详情页编排下沉，新增 getMessageDetailPageData 编排函数
- V2-P1-4: 表单服务端校验错误展示（fieldErrors + aria-invalid）
- V2-P2-1: 轮询间隔常量化（POLL_INTERVAL_MS）
- V2-P2-2: 架构图同步（004 + 005）
 2026-06-22 18:43:12 +08:00
SpecialX
6d7838a210 refactor(exams,homework,proctoring): 审计重构 — 跨模块解耦 + 权限 + i18n + a11y + 单测 + 监控埋点 
完成考试与作业模块深度审计的全部 10 项改进：

P0-3: 拆分 ai-pipeline.ts (927 行) 为 parse/request/structure/index 四个职责模块
P1-6: 抽取 QuestionRenderer 组件 (mode prop 驱动 take/preview/grade 三态)
P1-7: 抽取 question-content-utils 纯函数模块 (14 个纯函数 + applyAutoGrades 泛型)
P1-8: 拆分 homework data-access 为 data-access.ts + data-access-classes.ts
P2-9: 集成 useDebouncedAutoSave (防抖自动保存 + localStorage 离线缓存 + 状态指示器)
P2-12: a11y 修复 (难度色条 role=img + aria-label, 题目导航 aria-pressed + title)
P2-13: ExamHomeworkRoleConfig 配置驱动角色渲染 (6 角色 × 11 功能 + 并集合并)
6.1: ExamHomeworkServicePort 接口 + ServiceProvider 单例注册表
6.5: 63 个单测 (52 question-content-utils + 11 role-config)
6.7: trackExamEvent 监控埋点 (17 个新事件 + 便捷函数)

同步更新 005 架构数据文档与 v2 审计报告
 2026-06-22 18:37:00 +08:00
SpecialX
682d385ee2 fix(dashboard): v3 审计修复 — 数据完整性、i18n、类型安全、死代码清理 
P0 修复（严重）:
- admin ContentRow 标签与值错配（stats.users→textbooks 等 6 处）
- admin/error.tsx 硬编码中文替换为 useTranslations
- UserGrowthChart 空数据时渲染 EmptyState（userGrowth/homeworkTrend 永远为空数组）

P1 修复（高）:
- 新增 admin/dashboard 和 student/dashboard 的 loading.tsx + error.tsx
- 抽取 DashboardLoadingSkeleton 和 DashboardErrorFallback 共享组件，消除 5 套重复文件
- formatDate/formatLongDate 传入用户 locale（admin/teacher/student 共 6 个组件）
- 移除死代码：getCachedAdminDashboard、AvatarImage src={undefined}、TeacherStats isLoading prop
- filterTodaySchedule 改为泛型函数，消除 as 类型断言
- 辅助函数 getStatus/getDueUrgency 新增显式返回类型
- UserGrowthChart 新增 labelKey prop 区分用户增长/作业提交趋势标签

P2 修复（中）:
- 4 个组件从客户端转为服务端组件（DashboardGreetingHeader、TeacherQuickActions、TeacherDashboardHeader、StudentDashboardHeader）
- Student dashboard 空状态新增 CTA（viewSchedule、viewAll）
- TeacherHomeworkCard 图标按钮新增 aria-label
- TeacherTodoCard 排序逻辑重写为可读的 if/return 模式

同步更新:
- docs/architecture/005_architecture_data.json 新增 DashboardLoadingSkeleton、DashboardErrorFallback 条目
- 新增 docs/architecture/audit/dashboard-audit-report-v3.md 审计报告
- dashboard.json 新增 6 个 i18n 键（textbooks/chapters/questions/exams/totalAssignments/totalSubmissions）
 2026-06-22 18:36:46 +08:00