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/course-plans/actions.ts

@@ -227,6 +227,7 @@ export async function updateCoursePlanItemAction(
     }
 
     await updateCoursePlanItem(id, parsed.data)
+    revalidatePlanPaths()
     return { success: true, message: "Week plan updated", data: id }
   } catch (e) {
     return handleError(e)

src/modules/course-plans/components/course-plan-list.tsx

@@ -50,13 +50,13 @@ export function CoursePlanList({
   plans,
   canManage,
   createHref,
-  detailHrefBuilder,
+  detailBaseHref,
   initialStatus,
 }: {
   plans: CoursePlanListItem[]
   canManage?: boolean
   createHref?: string
-  detailHrefBuilder?: (id: string) => string
+  detailBaseHref?: string
   initialStatus?: Filter
 }) {
   const router = useRouter()
@@ -116,7 +116,7 @@ export function CoursePlanList({
       ) : (
         <div className="grid grid-cols-1 gap-4 md:grid-cols-2 lg:grid-cols-3">
           {filtered.map((plan) => {
-            const href = detailHrefBuilder ? detailHrefBuilder(plan.id) : undefined
+            const href = detailBaseHref ? `${detailBaseHref}/${plan.id}` : undefined
             const card = (
               <Card className="h-full transition-colors hover:bg-accent/50">
                 <CardHeader className="flex flex-row items-start justify-between gap-2 space-y-0">

src/modules/course-plans/data-access.ts

@@ -299,12 +299,14 @@ export async function reorderCoursePlanItems(
 
   if (!existing) return
 
-  for (const item of items) {
-    await db
-      .update(coursePlanItems)
-      .set({ week: item.week })
-      .where(eq(coursePlanItems.id, item.id))
-  }
+  await Promise.all(
+    items.map((item) =>
+      db
+        .update(coursePlanItems)
+        .set({ week: item.week })
+        .where(eq(coursePlanItems.id, item.id))
+    )
+  )
 }
 
 export type { CoursePlan, CoursePlanItem, CoursePlanWithItems }