feat: 新增备课模块并修复全模块 P0/P1/P2 缺陷

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)

src/modules/announcements/data-access.ts

@@ -49,77 +49,67 @@ const mapRow = (
 
 export const getAnnouncements = cache(
   async (params?: GetAnnouncementsParams): Promise<Announcement[]> => {
-    try {
-      const page = Math.max(1, params?.page ?? 1)
-      const pageSize = Math.max(1, params?.pageSize ?? 20)
-      const offset = (page - 1) * pageSize
+    const page = Math.max(1, params?.page ?? 1)
+    const pageSize = Math.max(1, params?.pageSize ?? 20)
+    const offset = (page - 1) * pageSize
 
-      const conditions = []
-      if (params?.status) {
-        conditions.push(eq(announcements.status, params.status))
-      }
-      if (params?.type) {
-        conditions.push(eq(announcements.type, params.type))
-      }
-
-      const rows = await db
-        .select({
-          id: announcements.id,
-          title: announcements.title,
-          content: announcements.content,
-          type: announcements.type,
-          status: announcements.status,
-          targetGradeId: announcements.targetGradeId,
-          targetClassId: announcements.targetClassId,
-          authorId: announcements.authorId,
-          authorName: users.name,
-          publishedAt: announcements.publishedAt,
-          createdAt: announcements.createdAt,
-          updatedAt: announcements.updatedAt,
-        })
-        .from(announcements)
-        .leftJoin(users, eq(users.id, announcements.authorId))
-        .where(conditions.length > 0 ? and(...conditions) : undefined)
-        .orderBy(desc(announcements.createdAt))
-        .limit(pageSize)
-        .offset(offset)
-
-      return rows.map(mapRow)
-    } catch (error) {
-      console.error("getAnnouncements failed:", error)
-      return []
+    const conditions = []
+    if (params?.status) {
+      conditions.push(eq(announcements.status, params.status))
     }
+    if (params?.type) {
+      conditions.push(eq(announcements.type, params.type))
+    }
+
+    const rows = await db
+      .select({
+        id: announcements.id,
+        title: announcements.title,
+        content: announcements.content,
+        type: announcements.type,
+        status: announcements.status,
+        targetGradeId: announcements.targetGradeId,
+        targetClassId: announcements.targetClassId,
+        authorId: announcements.authorId,
+        authorName: users.name,
+        publishedAt: announcements.publishedAt,
+        createdAt: announcements.createdAt,
+        updatedAt: announcements.updatedAt,
+      })
+      .from(announcements)
+      .leftJoin(users, eq(users.id, announcements.authorId))
+      .where(conditions.length > 0 ? and(...conditions) : undefined)
+      .orderBy(desc(announcements.createdAt))
+      .limit(pageSize)
+      .offset(offset)
+
+    return rows.map(mapRow)
   }
 )
 
 export const getAnnouncementById = cache(
   async (id: string): Promise<Announcement | null> => {
-    try {
-      const [row] = await db
-        .select({
-          id: announcements.id,
-          title: announcements.title,
-          content: announcements.content,
-          type: announcements.type,
-          status: announcements.status,
-          targetGradeId: announcements.targetGradeId,
-          targetClassId: announcements.targetClassId,
-          authorId: announcements.authorId,
-          authorName: users.name,
-          publishedAt: announcements.publishedAt,
-          createdAt: announcements.createdAt,
-          updatedAt: announcements.updatedAt,
-        })
-        .from(announcements)
-        .leftJoin(users, eq(users.id, announcements.authorId))
-        .where(eq(announcements.id, id))
-        .limit(1)
+    const [row] = await db
+      .select({
+        id: announcements.id,
+        title: announcements.title,
+        content: announcements.content,
+        type: announcements.type,
+        status: announcements.status,
+        targetGradeId: announcements.targetGradeId,
+        targetClassId: announcements.targetClassId,
+        authorId: announcements.authorId,
+        authorName: users.name,
+        publishedAt: announcements.publishedAt,
+        createdAt: announcements.createdAt,
+        updatedAt: announcements.updatedAt,
+      })
+      .from(announcements)
+      .leftJoin(users, eq(users.id, announcements.authorId))
+      .where(eq(announcements.id, id))
+      .limit(1)
 
-      return row ? mapRow(row) : null
-    } catch (error) {
-      console.error("getAnnouncementById failed:", error)
-      return null
-    }
+    return row ? mapRow(row) : null
   }
 )