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

src/app/(dashboard)/admin/ai-settings/page.tsx

@@ -1,14 +1,18 @@
 import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
 import { AiProviderSettingsCard } from "@/modules/settings/components/ai-provider-settings-card"
 import { AiUsageDashboard } from "@/modules/ai/components/ai-usage-dashboard"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "AI 配置 - Next_Edu",
+  const t = await getTranslations("ai")
-  description: "统一管理 AI 服务商、API 密钥与使用统计",
+  return {
+    title: `${t("admin.settings.title")} - Next_Edu`,
+    description: t("admin.settings.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
@@ -18,25 +22,31 @@ export const dynamic = "force-dynamic"
  *
  * 作为 AI 模块的独立配置入口，取代：
  * - /settings?tab=ai（已移除 AI 标签页）
- * - 考试页面内嵌的 AI 配置弹窗（已改为跳转链接）
+ * - 考试页面内嵌的 AI 配置弹窗（已移除）
  *
- * 权限：AI_CONFIGURE（当前仅 admin 角色拥有）
+ * 权限规则：
+ *   - AI_CHAT 用户均可访问（管理自己的 private provider）
+ *   - AI_CONFIGURE 用户（管理员）可额外管理 public provider 与他人 private provider
  */
 export default async function AiSettingsPage(): Promise<JSX.Element> {
-  await requirePermission(Permissions.AI_CONFIGURE)
+  const t = await getTranslations("ai")
+  const ctx = await requirePermission(Permissions.AI_CHAT)
+  const isAdmin = ctx.permissions.includes(Permissions.AI_CONFIGURE)
   return (
     <div className="flex h-full flex-col gap-8 p-8">
       <div className="flex flex-col justify-between gap-4 md:flex-row md:items-center">
         <div className="space-y-1">
-          <h1 className="text-3xl font-bold tracking-tight">AI 配置</h1>
+          <h1 className="text-3xl font-bold tracking-tight">{t("admin.settings.title")}</h1>
           <div className="text-sm text-muted-foreground">
-            统一管理 AI 服务商、API 密钥与使用统计
+            {isAdmin
+              ? t("admin.settings.description")
+              : t("admin.settings.userDescription")}
           </div>
         </div>
       </div>
       <div className="space-y-6">
-        <AiProviderSettingsCard />
+        <AiProviderSettingsCard isAdmin={isAdmin} currentUserId={ctx.userId} />
-        <AiUsageDashboard />
+        {isAdmin ? <AiUsageDashboard /> : null}
       </div>
     </div>
   )

src/app/(dashboard)/admin/audit-logs/data-changes/page.tsx

@@ -1,5 +1,6 @@
-import type { Metadata } from "next"
+import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -13,9 +14,12 @@ import { DataChangeLogTable } from "@/modules/audit/components/data-change-log-t
 import { AuditLogExportButton } from "@/modules/audit/components/audit-log-export-button"
 import type { DataChangeAction } from "@/modules/audit/types"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "数据变更日志 - Next_Edu",
+  const t = await getTranslations("audit")
-  description: "追踪系统所有数据变更（增删改），保障合规",
+  return {
+    title: `${t("dataChanges.title")} - Next_Edu`,
+    description: t("dataChanges.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
@@ -28,6 +32,7 @@ export default async function DataChangeLogsPage({
 }: {
   searchParams: Promise<SearchParams>
 }): Promise<JSX.Element> {
+  const t = await getTranslations("audit")
   await requirePermission(Permissions.AUDIT_LOG_READ)
 
   const params = await searchParams
@@ -54,10 +59,8 @@ export default async function DataChangeLogsPage({
     <div className="flex h-full flex-col space-y-8 p-8">
       <div className="flex items-start justify-between gap-4">
         <div className="space-y-1">
-          <h2 className="text-2xl font-bold tracking-tight">数据变更日志</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("dataChanges.title")}</h2>
-          <p className="text-muted-foreground">
+          <p className="text-muted-foreground">{t("dataChanges.description")}</p>
-            追踪系统所有数据变更（增删改），保障合规。
-          </p>
         </div>
         <AuditLogExportButton exportType="dataChange" params={exportParams} />
       </div>

src/app/(dashboard)/admin/audit-logs/login-logs/page.tsx

@@ -1,5 +1,6 @@
-import type { Metadata } from "next"
+import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -9,9 +10,12 @@ import { LoginLogView } from "@/modules/audit/components/login-log-view"
 import { AuditLogExportButton } from "@/modules/audit/components/audit-log-export-button"
 import type { LoginLogAction, LoginLogStatus } from "@/modules/audit/types"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "登录日志 - Next_Edu",
+  const t = await getTranslations("audit")
-  description: "监控所有认证事件，包括登录、登出与注册",
+  return {
+    title: `${t("loginLogs.title")} - Next_Edu`,
+    description: t("loginLogs.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
@@ -27,6 +31,7 @@ export default async function LoginLogsPage({
 }: {
   searchParams: Promise<SearchParams>
 }): Promise<JSX.Element> {
+  const t = await getTranslations("audit")
   await requirePermission(Permissions.AUDIT_LOG_READ)
 
   const params = await searchParams
@@ -50,9 +55,9 @@ export default async function LoginLogsPage({
     <div className="flex h-full flex-col space-y-8 p-8">
       <div className="flex items-start justify-between gap-4">
         <div className="space-y-1">
-          <h2 className="text-2xl font-bold tracking-tight">登录日志</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("loginLogs.title")}</h2>
           <p className="text-muted-foreground">
-            监控所有认证事件，包括登录、登出与注册。
+            {t("loginLogs.description")}
           </p>
         </div>
         <AuditLogExportButton exportType="login" params={exportParams} />

src/app/(dashboard)/admin/audit-logs/page.tsx

@@ -1,5 +1,6 @@
-import type { Metadata } from "next"
+import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -9,9 +10,12 @@ import { AuditLogView } from "@/modules/audit/components/audit-log-view"
 import { AuditLogExportButton } from "@/modules/audit/components/audit-log-export-button"
 import type { AuditLogStatus } from "@/modules/audit/types"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "审计日志 - Next_Edu",
+  const t = await getTranslations("audit")
-  description: "追踪系统内所有用户操作，保障安全与合规",
+  return {
+    title: `${t("title")} - Next_Edu`,
+    description: t("description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
@@ -24,6 +28,7 @@ export default async function AuditLogsPage({
 }: {
   searchParams: Promise<SearchParams>
 }): Promise<JSX.Element> {
+  const t = await getTranslations("audit")
   await requirePermission(Permissions.AUDIT_LOG_READ)
 
   const params = await searchParams
@@ -51,10 +56,8 @@ export default async function AuditLogsPage({
     <div className="flex h-full flex-col space-y-8 p-8">
       <div className="flex items-start justify-between gap-4">
         <div className="space-y-1">
-          <h2 className="text-2xl font-bold tracking-tight">审计日志</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("title")}</h2>
-          <p className="text-muted-foreground">
+          <p className="text-muted-foreground">{t("description")}</p>
-            追踪系统内所有用户操作，保障安全与合规。
-          </p>
         </div>
         <AuditLogExportButton exportType="audit" params={exportParams} />
       </div>

src/app/(dashboard)/admin/course-plans/[id]/edit/page.tsx

@@ -1,15 +1,19 @@
 import { notFound } from "next/navigation"
 import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { getCoursePlanById, getSubjectOptions } from "@/modules/course-plans/data-access"
 import { getAdminClasses } from "@/modules/classes/data-access"
 import { getAcademicYears, getStaffOptions } from "@/modules/school/data-access"
 import { CoursePlanForm } from "@/modules/course-plans/components/course-plan-form"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "编辑课程计划 - Next_Edu",
+  const t = await getTranslations("coursePlans")
-  description: "更新课程计划详情",
+  return {
+    title: `${t("edit.title")} - Next_Edu`,
+    description: t("edit.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
@@ -19,6 +23,7 @@ export default async function EditCoursePlanPage({
 }: {
   params: Promise<{ id: string }>
 }): Promise<JSX.Element> {
+  const t = await getTranslations("coursePlans")
   const { id } = await params
 
   const [plan, classes, subjects, teachers, academicYears] = await Promise.all([
@@ -34,8 +39,8 @@ export default async function EditCoursePlanPage({
   return (
     <div className="flex h-full flex-col space-y-8 p-8">
       <div>
-        <h2 className="text-2xl font-bold tracking-tight">编辑课程计划</h2>
+        <h2 className="text-2xl font-bold tracking-tight">{t("edit.title")}</h2>
-        <p className="text-muted-foreground">更新课程计划详情。</p>
+        <p className="text-muted-foreground">{t("edit.description")}</p>
       </div>
       <CoursePlanForm
         mode="edit"

src/app/(dashboard)/admin/course-plans/[id]/page.tsx

@@ -1,13 +1,17 @@
 import { notFound } from "next/navigation"
 import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { getCoursePlanById } from "@/modules/course-plans/data-access"
 import { CoursePlanDetail } from "@/modules/course-plans/components/course-plan-detail"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "课程计划详情 - Next_Edu",
+  const t = await getTranslations("coursePlans")
-  description: "查看课程计划详情",
+  return {
+    title: `${t("detail.title")} - Next_Edu`,
+    description: t("detail.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"

src/app/(dashboard)/admin/course-plans/create/page.tsx

@@ -1,19 +1,24 @@
-import type { Metadata } from "next"
+import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { getAdminClasses } from "@/modules/classes/data-access"
 import { getAcademicYears, getStaffOptions } from "@/modules/school/data-access"
 import { getSubjectOptions } from "@/modules/course-plans/data-access"
 import { CoursePlanForm } from "@/modules/course-plans/components/course-plan-form"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "新建课程计划 - Next_Edu",
+  const t = await getTranslations("coursePlans")
-  description: "创建新的课程教学计划",
+  return {
+    title: `${t("create.title")} - Next_Edu`,
+    description: t("create.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
 
 export default async function CreateCoursePlanPage(): Promise<JSX.Element> {
+  const t = await getTranslations("coursePlans")
   const [classes, subjects, teachers, academicYears] = await Promise.all([
     getAdminClasses(),
     getSubjectOptions(),
@@ -24,8 +29,8 @@ export default async function CreateCoursePlanPage(): Promise<JSX.Element> {
   return (
     <div className="flex h-full flex-col space-y-8 p-8">
       <div>
-        <h2 className="text-2xl font-bold tracking-tight">新建课程计划</h2>
+        <h2 className="text-2xl font-bold tracking-tight">{t("create.title")}</h2>
-        <p className="text-muted-foreground">创建新的课程教学计划。</p>
+        <p className="text-muted-foreground">{t("create.description")}</p>
       </div>
       <CoursePlanForm
         mode="create"

src/app/(dashboard)/admin/course-plans/page.tsx

@@ -1,14 +1,18 @@
-import type { Metadata } from "next"
+import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { getCoursePlans } from "@/modules/course-plans/data-access"
 import { CoursePlanList } from "@/modules/course-plans/components/course-plan-list"
 import { getSearchParam, type SearchParams } from "@/shared/lib/utils"
 import type { CoursePlanStatus } from "@/modules/course-plans/types"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "课程计划 - Next_Edu",
+  const t = await getTranslations("coursePlans")
-  description: "管理课程教学计划与周课时安排",
+  return {
+    title: `${t("title")} - Next_Edu`,
+    description: t("description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
@@ -21,6 +25,7 @@ export default async function AdminCoursePlansPage({
 }: {
   searchParams: Promise<SearchParams>
 }): Promise<JSX.Element> {
+  const t = await getTranslations("coursePlans")
   const sp = await searchParams
   const statusParam = getSearchParam(sp, "status")
   const status = isValidStatus(statusParam) ? statusParam : undefined
@@ -30,10 +35,8 @@ export default async function AdminCoursePlansPage({
   return (
     <div className="flex h-full flex-col space-y-8 p-8">
       <div className="space-y-1">
-        <h2 className="text-2xl font-bold tracking-tight">课程计划</h2>
+        <h2 className="text-2xl font-bold tracking-tight">{t("title")}</h2>
-        <p className="text-muted-foreground">
+        <p className="text-muted-foreground">{t("description")}</p>
-          管理课程教学计划与周课时安排。
-        </p>
       </div>
       <CoursePlanList
         plans={plans}

src/app/(dashboard)/admin/error-book/page.tsx

@@ -1,57 +1,84 @@
 import type { JSX } from "react"
+import type { Metadata } from "next"
+import { Suspense } from "react"
 import { BarChart3 } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
 import { EmptyState } from "@/shared/components/ui/empty-state"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+import { getParam, type SearchParams } from "@/shared/lib/search-params"
 
 import {
   getStudentErrorBookSummaries,
   getTopWrongQuestionsByStudentIds,
   getKnowledgePointWeakness,
-  getSubjectErrorDistribution,
   getStudentNameMap,
+  getSubjectErrorOverviews,
+  getSubjectErrorDistribution,
+  getChapterWeakness,
   getAllStudentIds,
 } from "@/modules/error-book/data-access"
-import { ClassErrorBookOverview, StudentErrorTable } from "@/modules/error-book/components/class-error-overview"
 import { TopWrongQuestions } from "@/modules/error-book/components/top-wrong-questions"
+import { SubjectTabs } from "@/modules/error-book/components/subject-tabs"
+import { AnalyticsStatsCards } from "@/modules/error-book/components/analytics-stats-cards"
+import { SubjectDistributionChart } from "@/modules/error-book/components/subject-distribution-chart"
+import { KnowledgePointWeaknessChart } from "@/modules/error-book/components/knowledge-point-weakness-chart"
+import { ChapterWeaknessChart } from "@/modules/error-book/components/chapter-weakness-chart"
+import { GroupedStudentErrorTable } from "@/modules/error-book/components/grouped-student-error-table"
 
 export const dynamic = "force-dynamic"
 
-export default async function AdminErrorBookPage(): Promise<JSX.Element> {
+export async function generateMetadata(): Promise<Metadata> {
+  const t = await getTranslations("errorBook")
+  return {
+    title: `${t("admin.title")} - Next_Edu`,
+    description: t("admin.description"),
+  }
+}
+
+async function AdminErrorBookContent({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>
+}): Promise<JSX.Element> {
+  const t = await getTranslations("errorBook")
   const ctx = await requirePermission(Permissions.ERROR_BOOK_ANALYTICS_READ)
 
   if (ctx.dataScope.type !== "all") {
     return (
       <div className="flex h-full flex-col space-y-8 p-8">
         <div>
-          <h1 className="text-2xl font-bold tracking-tight">全校错题分析</h1>
+          <h1 className="text-2xl font-bold tracking-tight">{t("admin.title")}</h1>
-          <p className="text-muted-foreground">查看全校学生的错题统计与薄弱知识点。</p>
+          <p className="text-muted-foreground">{t("admin.description")}</p>
         </div>
         <EmptyState
           icon={BarChart3}
-          title="权限不足"
+          title={t("admin.noPermissionTitle")}
-          description="您没有权限查看全校错题分析数据。"
+          description={t("admin.noPermissionDescription")}
           className="h-[360px] bg-card"
         />
       </div>
     )
   }
 
-  // 通过 data-access 层查询所有学生 ID（遵循三层架构，app 层不直接访问 DB）
+  const params = await searchParams
-  const studentIds = await getAllStudentIds()
 
-  if (studentIds.length === 0) {
+  // 通过 data-access 层查询所有学生 ID（遵循三层架构）
+  const allStudentIds = await getAllStudentIds()
+
+  if (allStudentIds.length === 0) {
     return (
       <div className="flex h-full flex-col space-y-8 p-8">
         <div>
-          <h1 className="text-2xl font-bold tracking-tight">全校错题分析</h1>
+          <h1 className="text-2xl font-bold tracking-tight">{t("admin.title")}</h1>
-          <p className="text-muted-foreground">查看全校学生的错题统计与薄弱知识点。</p>
+          <p className="text-muted-foreground">{t("admin.description")}</p>
         </div>
         <EmptyState
           icon={BarChart3}
-          title="暂无学生数据"
+          title={t("admin.noStudentsTitle")}
-          description="系统中还没有学生用户，无法查看错题分析。"
+          description={t("admin.noStudentsDescription")}
           className="h-[360px] bg-card"
         />
       </div>
@@ -59,21 +86,33 @@ export default async function AdminErrorBookPage(): Promise<JSX.Element> {
   }
 
   // 限制查询数量，避免性能问题（取最近活跃的 500 名学生）
-  const limitedStudentIds = studentIds.slice(0, 500)
+  const limitedStudentIds = allStudentIds.slice(0, 500)
 
-  const [summaries, topWrongQuestions, weakKps, subjectDist, nameMap] = await Promise.all([
+  // 解析 URL 参数：学科筛选
-    getStudentErrorBookSummaries(limitedStudentIds),
+  const subjectParam = getParam(params, "subject")
-    getTopWrongQuestionsByStudentIds(limitedStudentIds, 10),
+
-    getKnowledgePointWeakness(limitedStudentIds, 10),
+  // 学科概览（用于 Tab 显示，不受学科筛选影响）
+  const [subjectOverviews, subjectDist] = await Promise.all([
+    getSubjectErrorOverviews(limitedStudentIds),
     getSubjectErrorDistribution(limitedStudentIds),
+  ])
+
+  // 并行查询所有统计数据（按学科过滤）
+  const [summaries, topWrongQuestions, weakKps, chapterWeakness, nameMap] = await Promise.all([
+    getStudentErrorBookSummaries(limitedStudentIds, subjectParam),
+    getTopWrongQuestionsByStudentIds(limitedStudentIds, 10, subjectParam),
+    getKnowledgePointWeakness(limitedStudentIds, 10, subjectParam),
+    getChapterWeakness(limitedStudentIds, 10, subjectParam),
     getStudentNameMap(limitedStudentIds),
   ])
 
   const studentsWithErrorBook = summaries.filter((s) => s.totalCount > 0)
   const totalErrorItems = summaries.reduce((sum, s) => sum + s.totalCount, 0)
+  const totalDueReview = summaries.reduce((sum, s) => sum + s.dueReviewCount, 0)
   const averageMasteryRate = studentsWithErrorBook.length > 0
     ? studentsWithErrorBook.reduce((sum, s) => sum + s.masteredRate, 0) / studentsWithErrorBook.length
     : 0
+  const knowledgePointCount = weakKps.length
 
   const sortedSummaries = [...summaries]
     .filter((s) => s.totalCount > 0)
@@ -81,33 +120,114 @@ export default async function AdminErrorBookPage(): Promise<JSX.Element> {
     .slice(0, 50)
 
   return (
-    <div className="flex h-full flex-col space-y-8 p-8">
+    <div className="flex h-full flex-col space-y-6 p-8">
       <div>
-        <h1 className="text-2xl font-bold tracking-tight">全校错题分析</h1>
+        <h1 className="text-2xl font-bold tracking-tight">{t("admin.title")}</h1>
-        <p className="text-muted-foreground">
+        <p className="text-muted-foreground">{t("admin.description")}</p>
-          全校错题统计与薄弱知识点分析，辅助教学决策。
-        </p>
       </div>
 
-      <ClassErrorBookOverview
+      {/* 学科 Tab */}
-        totalStudents={studentIds.length}
+      {subjectOverviews.length > 0 ? (
+        <Suspense fallback={<Skeleton className="h-10 w-full" />}>
+          <SubjectTabs
+            subjects={subjectOverviews}
+            currentSubjectId={subjectParam ?? null}
+          />
+        </Suspense>
+      ) : null}
+
+      {/* 统计卡片 */}
+      <AnalyticsStatsCards
+        totalStudents={limitedStudentIds.length}
         studentsWithErrorBook={studentsWithErrorBook.length}
         totalErrorItems={totalErrorItems}
         averageMasteryRate={averageMasteryRate}
-        topWeakKnowledgePoints={weakKps}
+        dueReviewCount={totalDueReview}
-        subjectDistribution={subjectDist}
+        knowledgePointCount={knowledgePointCount}
       />
 
-      <div className="space-y-4">
+      {/* 学科错题分布图（仅在"全部学科"视图下显示） */}
-        <h2 className="text-lg font-semibold">错题最多的学生 Top 50</h2>
+      {!subjectParam && subjectDist.length > 0 ? (
-        <StudentErrorTable
+        <SubjectDistributionChart data={subjectDist} />
+      ) : null}
+
+      {/* 章节错题分布 + 知识点薄弱度（并排） */}
+      <div className="grid gap-4 lg:grid-cols-2">
+        {chapterWeakness.length > 0 ? (
+          <ChapterWeaknessChart data={chapterWeakness} />
+        ) : (
+          <EmptyState
+            icon={BarChart3}
+            title={t("admin.noChapterDataTitle")}
+            description={t("admin.noChapterDataDescription")}
+            className="h-[300px] bg-card"
+          />
+        )}
+        {weakKps.length > 0 ? (
+          <KnowledgePointWeaknessChart data={weakKps} />
+        ) : (
+          <EmptyState
+            icon={BarChart3}
+            title={t("admin.noKnowledgePointDataTitle")}
+            description={t("admin.noKnowledgePointDataDescription")}
+            className="h-[300px] bg-card"
+          />
+        )}
+      </div>
+
+      {/* 错题最多的学生 Top 50 */}
+      <div className="space-y-3">
+        <div className="flex items-center justify-between">
+          <h2 className="text-lg font-semibold">{t("admin.topStudents")}</h2>
+          <span className="text-sm text-muted-foreground">
+            {t("admin.studentsWithErrors", { count: studentsWithErrorBook.length })}
+          </span>
+        </div>
+        {sortedSummaries.length > 0 ? (
+          <GroupedStudentErrorTable
             students={sortedSummaries}
             studentNames={nameMap}
             basePath="/admin/error-book"
           />
+        ) : (
+          <EmptyState
+            icon={BarChart3}
+            title={t("admin.noStudentErrorsTitle")}
+            description={t("admin.noStudentErrorsDescription")}
+            className="h-[200px] bg-card"
+          />
+        )}
       </div>
 
+      {/* 高频错题 Top 10 */}
+      {topWrongQuestions.length > 0 ? (
         <TopWrongQuestions questions={topWrongQuestions} />
+      ) : null}
     </div>
   )
 }
+
+export default async function AdminErrorBookPage({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>
+}): Promise<JSX.Element> {
+  return (
+    <Suspense
+      fallback={
+        <div className="flex h-full flex-col space-y-8 p-8">
+          <Skeleton className="h-10 w-48" />
+          <Skeleton className="h-10 w-full" />
+          <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-5">
+            {Array.from({ length: 5 }).map((_, i) => (
+              <Skeleton key={i} className="h-[100px]" />
+            ))}
+          </div>
+          <Skeleton className="h-[300px] w-full" />
+        </div>
+      }
+    >
+      <AdminErrorBookContent searchParams={searchParams} />
+    </Suspense>
+  )
+}

src/app/(dashboard)/admin/files/page.tsx

@@ -1,5 +1,6 @@
-import type { Metadata } from "next"
+import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -9,9 +10,12 @@ import {
 } from "@/modules/files/data-access"
 import { AdminFilesView } from "@/modules/files/components/admin-files-view"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "文件管理 - Next_Edu",
+  const t = await getTranslations("files")
-  description: "查看与管理系统中所有上传文件",
+  return {
+    title: `${t("title")} - Next_Edu`,
+    description: t("description"),
+  }
 }
 
 export const dynamic = "force-dynamic"

src/app/(dashboard)/admin/layout.tsx

@@ -1,10 +1,7 @@
-import { getAuthContext } from "@/shared/lib/auth-guard"
-
 export default async function AdminLayout({
   children,
 }: {
   children: React.ReactNode
 }): Promise<React.ReactNode> {
-  await getAuthContext()
   return <>{children}</>
 }

src/app/(dashboard)/admin/lesson-plans/[planId]/view/error.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { BookOpen } from "lucide-react"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function AdminLessonPlanViewError() {
+  const t = useTranslations("lessonPreparation")
+  return (
+    <div className="p-8">
+      <EmptyState
+        icon={BookOpen}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
+        className="border-none shadow-none"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/admin/lesson-plans/[planId]/view/loading.tsx

@@ -0,0 +1,11 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function AdminLessonPlanViewLoading() {
+  return (
+    <div className="h-[calc(100vh-4rem)]">
+      <div className="flex h-full items-center justify-center">
+        <Skeleton className="h-[80%] w-[80%]" />
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/admin/lesson-plans/[planId]/view/page.tsx

@@ -0,0 +1,62 @@
+import type { JSX } from "react"
+import { Suspense } from "react"
+import { notFound } from "next/navigation"
+import { getAuthContext } from "@/shared/lib/auth-guard"
+import { getLessonPlanById } from "@/modules/lesson-preparation/data-access"
+import { getTextbookById, getChaptersByTextbookId } from "@/modules/textbooks/data-access"
+import { LessonPlanReadonlyView } from "@/modules/lesson-preparation/components/lesson-plan-readonly-view"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export const dynamic = "force-dynamic"
+
+export default async function AdminLessonPlanViewPage({
+  params,
+}: {
+  params: Promise<{ planId: string }>
+}): Promise<JSX.Element> {
+  const { planId } = await params
+  const ctx = await getAuthContext()
+
+  const plan = await getLessonPlanById(planId, ctx.userId)
+  if (!plan) notFound()
+
+  let textbookTitle: string | undefined
+  let chapterTitle: string | undefined
+  if (plan.textbookId) {
+    const textbook = await getTextbookById(plan.textbookId)
+    textbookTitle = textbook?.title
+    if (plan.chapterId) {
+      const chapters = await getChaptersByTextbookId(plan.textbookId)
+      const findChapter = (list: typeof chapters): typeof chapters[number] | undefined => {
+        for (const ch of list) {
+          if (ch.id === plan.chapterId) return ch
+          if (ch.children && ch.children.length > 0) {
+            const found = findChapter(ch.children as typeof chapters)
+            if (found) return found
+          }
+        }
+        return undefined
+      }
+      const chapter = findChapter(chapters)
+      chapterTitle = chapter?.title
+    }
+  }
+
+  return (
+    <div className="h-[calc(100vh-4rem)]">
+      <Suspense
+        fallback={
+          <div className="flex h-full items-center justify-center">
+            <Skeleton className="h-[80%] w-[80%]" />
+          </div>
+        }
+      >
+        <LessonPlanReadonlyView
+          doc={plan.content}
+          textbookTitle={textbookTitle}
+          chapterTitle={chapterTitle}
+        />
+      </Suspense>
+    </div>
+  )
+}

src/app/(dashboard)/admin/lesson-plans/error.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { BookOpen } from "lucide-react"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function AdminLessonPlansError() {
+  const t = useTranslations("lessonPreparation")
+  return (
+    <div className="p-8">
+      <EmptyState
+        icon={BookOpen}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
+        className="border-none shadow-none"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/admin/lesson-plans/loading.tsx

@@ -0,0 +1,22 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function AdminLessonPlansLoading() {
+  return (
+    <div className="p-6 space-y-4">
+      <div className="space-y-2">
+        <Skeleton className="h-8 w-[180px]" />
+        <Skeleton className="h-4 w-[300px]" />
+      </div>
+      <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+        {Array.from({ length: 4 }).map((_, i) => (
+          <Skeleton key={i} className="h-[100px] w-full" />
+        ))}
+      </div>
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+        {Array.from({ length: 6 }).map((_, i) => (
+          <Skeleton key={i} className="h-[180px] w-full" />
+        ))}
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/admin/lesson-plans/page.tsx

@@ -0,0 +1,88 @@
+import type { JSX } from "react"
+import { Suspense } from "react"
+import { getTranslations } from "next-intl/server"
+import { getAuthContext } from "@/shared/lib/auth-guard"
+import { getLessonPlans, getLessonPlanStats } from "@/modules/lesson-preparation/data-access"
+import { getSubjectOptions } from "@/modules/school/data-access"
+import { LessonPlanList } from "@/modules/lesson-preparation/components/lesson-plan-list"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+import { Card, CardContent, CardHeader, CardTitle } from "@/shared/components/ui/card"
+
+export const dynamic = "force-dynamic"
+
+export default async function AdminLessonPlansPage(): Promise<JSX.Element> {
+  const t = await getTranslations("lessonPreparation")
+  const ctx = await getAuthContext()
+
+  // 通过 data-access 层查询，避免 app 层直接访问数据库（P0-1 修复）
+  const [items, subjects, stats] = await Promise.all([
+    getLessonPlans({}, ctx.dataScope, ctx.userId),
+    getSubjectOptions(),
+    getLessonPlanStats(),
+  ])
+
+  return (
+    <div className="p-6 space-y-4">
+      <div>
+        <h1 className="text-2xl font-bold tracking-tight">{t("admin.title")}</h1>
+        <p className="text-muted-foreground">{t("admin.description")}</p>
+      </div>
+
+      {/* 统计卡片 */}
+      <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+        <Card>
+          <CardHeader className="pb-2">
+            <CardTitle className="text-sm font-medium text-on-surface-variant">
+              {t("admin.stats.total")}
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <div className="text-2xl font-bold">{stats.total}</div>
+          </CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2">
+            <CardTitle className="text-sm font-medium text-on-surface-variant">
+              {t("admin.stats.published")}
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <div className="text-2xl font-bold text-primary">{stats.published}</div>
+          </CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2">
+            <CardTitle className="text-sm font-medium text-on-surface-variant">
+              {t("admin.stats.draft")}
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <div className="text-2xl font-bold text-on-surface-variant">{stats.draft}</div>
+          </CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2">
+            <CardTitle className="text-sm font-medium text-on-surface-variant">
+              {t("admin.stats.archived")}
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <div className="text-2xl font-bold text-on-surface-variant">{stats.archived}</div>
+          </CardContent>
+        </Card>
+      </div>
+
+      <Suspense
+        fallback={
+          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+            {Array.from({ length: 6 }).map((_, i) => (
+              <Skeleton key={i} className="h-[180px] w-full" />
+            ))}
+          </div>
+        }
+      >
+        <LessonPlanList initialItems={items} subjects={subjects} viewMode="admin" />
+      </Suspense>
+    </div>
+  )
+}

src/app/(dashboard)/admin/scheduling/auto/page.tsx

@@ -1,7 +1,8 @@
-import Link from "next/link"
+import Link from "next/link"
 import { CalendarClock, ClipboardList, Settings2 } from "lucide-react"
 import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -10,14 +11,18 @@ import { EmptyState } from "@/shared/components/ui/empty-state"
 import { getAdminClassesForScheduling } from "@/modules/scheduling/data-access"
 import { AutoSchedulePanel } from "@/modules/scheduling/components/auto-schedule-panel"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "自动排课 - Next_Edu",
+  const t = await getTranslations("scheduling")
-  description: "基于规则与学科分配自动生成周课表",
+  return {
+    title: `${t("auto.title")} - Next_Edu`,
+    description: t("auto.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
 
 export default async function AdminSchedulingAutoPage(): Promise<JSX.Element> {
+  const t = await getTranslations("scheduling")
   await requirePermission(Permissions.SCHEDULE_AUTO)
   const classes = await getAdminClassesForScheduling()
   const classOptions = classes.map((c) => ({ id: c.id, name: c.name, grade: c.grade }))
@@ -26,15 +31,13 @@ export default async function AdminSchedulingAutoPage(): Promise<JSX.Element> {
     <div className="flex h-full flex-col space-y-8 p-8">
       <div className="flex items-center justify-between space-y-2">
         <div className="space-y-1">
-          <h2 className="text-2xl font-bold tracking-tight">自动排课</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("auto.title")}</h2>
-          <p className="text-muted-foreground">
+          <p className="text-muted-foreground">{t("auto.description")}</p>
-            基于规则与学科分配自动生成周课表。
-          </p>
         </div>
         <Button asChild variant="outline">
           <Link href="/admin/scheduling/rules">
             <Settings2 className="mr-2 h-4 w-4" />
-            配置规则
+            {t("auto.configureRules")}
           </Link>
         </Button>
       </div>
@@ -42,8 +45,8 @@ export default async function AdminSchedulingAutoPage(): Promise<JSX.Element> {
       {classOptions.length === 0 ? (
         <EmptyState
           icon={ClipboardList}
-          title="暂无可用班级"
+          title={t("auto.noClassesTitle")}
-          description="请先创建班级，再进行自动排课。"
+          description={t("auto.noClassesDescription")}
         />
       ) : (
         <AutoSchedulePanel classes={classOptions} />
@@ -51,7 +54,7 @@ export default async function AdminSchedulingAutoPage(): Promise<JSX.Element> {
 
       <div className="flex items-center gap-2 text-xs text-muted-foreground">
         <CalendarClock className="h-4 w-4" />
-        <span>应用新课表将替换所选班级的现有课表。</span>
+        <span>{t("auto.hint")}</span>
       </div>
     </div>
   )

src/app/(dashboard)/admin/scheduling/changes/page.tsx

@@ -1,7 +1,8 @@
-import Link from "next/link"
+import Link from "next/link"
 import { PlusCircle, ClipboardList } from "lucide-react"
 import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -18,9 +19,12 @@ import { ScheduleConflictsView } from "@/modules/scheduling/components/schedule-
 import { ScheduleGridView } from "@/modules/scheduling/components/schedule-grid-view"
 import type { ScheduleChangeStatus } from "@/modules/scheduling/types"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "课表变更申请 - Next_Edu",
+  const t = await getTranslations("scheduling")
-  description: "审核、批准或拒绝课表变更与代课申请",
+  return {
+    title: `${t("changes.title")} - Next_Edu`,
+    description: t("changes.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
@@ -33,6 +37,7 @@ export default async function AdminSchedulingChangesPage({
 }: {
   searchParams: Promise<SearchParams>
 }): Promise<JSX.Element> {
+  const t = await getTranslations("scheduling")
   await requirePermission(Permissions.SCHEDULE_ADJUST)
   const sp = await searchParams
   const statusParam = getSearchParam(sp, "status")
@@ -51,15 +56,15 @@ export default async function AdminSchedulingChangesPage({
     <div className="flex h-full flex-col space-y-8 p-8">
       <div className="flex items-center justify-between space-y-2">
         <div className="space-y-1">
-          <h2 className="text-2xl font-bold tracking-tight">课表变更申请</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("changes.title")}</h2>
           <p className="text-muted-foreground">
-            审核、批准或拒绝课表变更与代课申请。
+            {t("changes.description")}
           </p>
         </div>
         <Button asChild>
           <Link href="/teacher/schedule-changes">
             <PlusCircle className="mr-2 h-4 w-4" />
-            新建申请
+            {t("changes.newRequest")}
           </Link>
         </Button>
       </div>
@@ -67,10 +72,10 @@ export default async function AdminSchedulingChangesPage({
       {items.length === 0 && !status && !classId ? (
         <EmptyState
           icon={ClipboardList}
-          title="暂无课表变更申请"
+          title={t("changes.noChangesTitle")}
-          description="系统中尚未产生任何课表变更申请。"
+          description={t("changes.noChangesDescription")}
           action={{
-            label: "新建申请",
+            label: t("changes.newRequest"),
             href: "/teacher/schedule-changes",
           }}
         />
@@ -79,15 +84,15 @@ export default async function AdminSchedulingChangesPage({
       )}
 
       <div className="space-y-2">
-        <h3 className="text-lg font-semibold">冲突检测</h3>
+        <h3 className="text-lg font-semibold">{t("changes.conflictDetection")}</h3>
         <p className="text-sm text-muted-foreground">
-          检测现有班级课表中的时间重叠。
+          {t("changes.conflictDetectionDescription")}
         </p>
         {classOptions.length === 0 ? (
           <EmptyState
             icon={ClipboardList}
-            title="暂无可用班级"
+            title={t("changes.noClassesTitle")}
-            description="请先创建班级，再进行冲突检测。"
+            description={t("changes.noClassesDescription")}
           />
         ) : (
           <ScheduleConflictsView classes={classOptions} />
@@ -95,9 +100,9 @@ export default async function AdminSchedulingChangesPage({
       </div>
 
       <div className="space-y-2">
-        <h3 className="text-lg font-semibold">课表网格</h3>
+        <h3 className="text-lg font-semibold">{t("changes.scheduleGrid")}</h3>
         <p className="text-sm text-muted-foreground">
-          按班级查看当前课表分布。
+          {t("changes.scheduleGridDescription")}
         </p>
         <ScheduleGridView entries={scheduleEntries} classes={classOptions} />
       </div>

src/app/(dashboard)/admin/scheduling/rules/page.tsx

@@ -1,6 +1,7 @@
-import { CalendarCog, ClipboardList } from "lucide-react"
+import { CalendarCog, ClipboardList } from "lucide-react"
 import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -11,14 +12,18 @@ import {
 } from "@/modules/scheduling/data-access"
 import { SchedulingRulesForm } from "@/modules/scheduling/components/scheduling-rules-form"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "排课规则 - Next_Edu",
+  const t = await getTranslations("scheduling")
-  description: "配置每日课时上限、课间窗口与均衡偏好",
+  return {
+    title: `${t("rules.title")} - Next_Edu`,
+    description: t("rules.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
 
 export default async function AdminSchedulingRulesPage(): Promise<JSX.Element> {
+  const t = await getTranslations("scheduling")
   await requirePermission(Permissions.SCHEDULE_ADJUST)
   const [classes, existingRules] = await Promise.all([
     getAdminClassesForScheduling(),
@@ -30,17 +35,15 @@ export default async function AdminSchedulingRulesPage(): Promise<JSX.Element> {
   return (
     <div className="flex h-full flex-col space-y-8 p-8">
       <div className="space-y-1">
-        <h2 className="text-2xl font-bold tracking-tight">排课规则</h2>
+        <h2 className="text-2xl font-bold tracking-tight">{t("rules.title")}</h2>
-        <p className="text-muted-foreground">
+        <p className="text-muted-foreground">{t("rules.description")}</p>
-          配置每日课时上限、课间窗口与均衡偏好。
-        </p>
       </div>
 
       {classOptions.length === 0 ? (
         <EmptyState
           icon={ClipboardList}
-          title="暂无可用班级"
+          title={t("rules.noClassesTitle")}
-          description="请先创建班级，再配置排课规则。"
+          description={t("rules.noClassesDescription")}
         />
       ) : (
         <SchedulingRulesForm classes={classOptions} existingRules={existingRules} />
@@ -48,7 +51,7 @@ export default async function AdminSchedulingRulesPage(): Promise<JSX.Element> {
 
       <div className="flex items-center gap-2 text-xs text-muted-foreground">
         <CalendarCog className="h-4 w-4" />
-        <span>提示：未选择具体班级时保存的规则将作为全局默认。</span>
+        <span>{t("rules.hint")}</span>
       </div>
     </div>
   )

src/app/(dashboard)/admin/school/grades/insights/page.tsx

@@ -2,6 +2,7 @@ import Link from "next/link"
 import type { Metadata } from "next"
 import type { JSX } from "react"
 import { BarChart3 } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -9,6 +10,7 @@ import { getGrades } from "@/modules/school/data-access"
 import { getGradeHomeworkInsights } from "@/modules/classes/data-access"
 import { getSchoolWideGradeSummary } from "@/modules/grades/data-access-analytics"
 import { SchoolWideSummaryCard } from "@/modules/grades/components/school-wide-summary-card"
+import { GradeInsightsFilters } from "@/modules/school/components/grade-insights-filters"
 import { EmptyState } from "@/shared/components/ui/empty-state"
 import { StatCard } from "@/shared/components/ui/stat-card"
 import { Card, CardContent, CardHeader, CardTitle } from "@/shared/components/ui/card"
@@ -18,19 +20,23 @@ import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@
 import { formatDate, formatNumber } from "@/shared/lib/utils"
 import { getParam, type SearchParams } from "@/shared/lib/search-params"
 
-export const metadata: Metadata = {
-  title: "年级作业洞察 - Next_Edu",
-  description: "按年级聚合的作业统计与班级排名",
-}
-
 export const dynamic = "force-dynamic"
 
+export async function generateMetadata(): Promise<Metadata> {
+  const t = await getTranslations("school")
+  return {
+    title: `${t("grades.gradeInsights.title")} - Next_Edu`,
+    description: t("grades.gradeInsights.description"),
+  }
+}
+
 export default async function AdminGradeInsightsPage({
   searchParams,
 }: {
   searchParams: Promise<SearchParams>
 }): Promise<JSX.Element> {
   const ctx = await requirePermission(Permissions.SCHOOL_MANAGE)
+  const t = await getTranslations("school")
   const params = await searchParams
   const gradeId = getParam(params, "gradeId")
   const selected = gradeId && gradeId !== "all" ? gradeId : ""
@@ -43,15 +49,22 @@ export default async function AdminGradeInsightsPage({
     getSchoolWideGradeSummary(ctx.dataScope),
   ])
 
+  const buildHref = (gId: string): string => {
+    const p = new URLSearchParams()
+    if (gId && gId !== "all") p.set("gradeId", gId)
+    const qs = p.toString()
+    return qs ? `/admin/school/grades/insights?${qs}` : "/admin/school/grades/insights"
+  }
+
   return (
     <div className="flex h-full flex-col space-y-8 p-8">
       <div className="flex flex-col gap-4 md:flex-row md:items-end md:justify-between">
         <div className="space-y-1">
-          <h2 className="text-2xl font-bold tracking-tight">年级作业洞察</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("grades.gradeInsights.title")}</h2>
-          <p className="text-muted-foreground">按年级聚合的作业统计与班级排名。</p>
+          <p className="text-muted-foreground">{t("grades.gradeInsights.description")}</p>
         </div>
         <Button asChild variant="outline">
-          <Link href="/admin/school/grades">管理年级</Link>
+          <Link href="/admin/school/grades">{t("grades.gradeInsights.manageGrades")}</Link>
         </Button>
       </div>
 
@@ -60,86 +73,57 @@ export default async function AdminGradeInsightsPage({
         <SchoolWideSummaryCard summary={schoolWideSummary} />
       )}
 
-      <Card className="shadow-none">
+      {/* 年级筛选：ChipNav 即时切换，无整页刷新 */}
-        <CardHeader className="flex flex-row items-center justify-between space-y-0">
+      <GradeInsightsFilters
-          <CardTitle className="text-base">筛选</CardTitle>
+        grades={grades.map((g) => ({ id: g.id, name: g.name, schoolName: g.school.name }))}
-          <Badge variant="secondary" className="tabular-nums">
+        currentGradeId={selected || "all"}
-            {grades.length}
+        buildHref={buildHref}
-          </Badge>
+      />
-        </CardHeader>
-        <CardContent>
-          <form
-            action="/admin/school/grades/insights"
-            method="get"
-            className="flex flex-col gap-3 md:flex-row md:items-center"
-          >
-            <label htmlFor="grade-filter" className="text-sm font-medium">
-              年级
-            </label>
-            <select
-              id="grade-filter"
-              name="gradeId"
-              defaultValue={selected || "all"}
-              className="h-10 w-full rounded-md border bg-background px-3 text-sm md:w-80"
-            >
-              <option value="all">请选择年级</option>
-              {grades.map((g) => (
-                <option key={g.id} value={g.id}>
-                  {g.school.name} / {g.name}
-                </option>
-              ))}
-            </select>
-            <Button type="submit" className="md:ml-2">
-              应用
-            </Button>
-          </form>
-        </CardContent>
-      </Card>
 
       {!selected ? (
         <EmptyState
           icon={BarChart3}
-          title="请选择年级以查看洞察"
+          title={t("grades.gradeInsights.selectToView")}
-          description="选择一个年级，查看最新作业与历史成绩统计。"
+          description={t("grades.gradeInsights.selectToViewDescription")}
           className="h-80 bg-card"
         />
       ) : !insights ? (
         <EmptyState
           icon={BarChart3}
-          title="年级未找到"
+          title={t("grades.gradeInsights.notFound")}
-          description="该年级可能不存在或无可访问数据。"
+          description={t("grades.gradeInsights.notFoundDescription")}
           className="h-80 bg-card"
         />
       ) : insights.assignments.length === 0 ? (
         <EmptyState
           icon={BarChart3}
-          title="该年级暂无作业数据"
+          title={t("grades.gradeInsights.noData")}
-          description="尚未向该年级学生布置任何作业。"
+          description={t("grades.gradeInsights.noDataDescription")}
           className="h-80 bg-card"
         />
       ) : (
         <div className="space-y-6">
           <div className="grid gap-4 md:grid-cols-4">
             <StatCard
-              title="班级数"
+              title={t("grades.gradeInsights.classes")}
               value={insights.classCount}
               description={`${insights.grade.school.name} / ${insights.grade.name}`}
               valueClassName="tabular-nums"
             />
             <StatCard
-              title="学生数"
+              title={t("grades.gradeInsights.students")}
               value={insights.studentCounts.total}
-              description={`在读 ${insights.studentCounts.active} • 停用 ${insights.studentCounts.inactive}`}
+              description={`${t("grades.gradeInsights.active")} ${insights.studentCounts.active} • ${t("grades.gradeInsights.inactive")} ${insights.studentCounts.inactive}`}
               valueClassName="tabular-nums"
             />
             <StatCard
-              title="总体均分"
+              title={t("grades.gradeInsights.overallAvg")}
               value={formatNumber(insights.overallScores.avg)}
-              description="基于已批改作业"
+              description="-"
               valueClassName="tabular-nums"
             />
             <StatCard
-              title="最新均分"
+              title={t("grades.gradeInsights.latestAvg")}
               value={formatNumber(insights.latest?.scoreStats.avg ?? null)}
               description={insights.latest?.title ?? "-"}
               valueClassName="tabular-nums"
@@ -148,24 +132,26 @@ export default async function AdminGradeInsightsPage({
 
           <Card className="shadow-none">
             <CardHeader className="flex flex-row items-center justify-between space-y-0">
-              <CardTitle className="text-base">最新作业</CardTitle>
+              <CardTitle className="text-base">{t("grades.gradeInsights.homeworkTimeline")}</CardTitle>
               <Badge variant="secondary" className="tabular-nums">
                 {insights.assignments.length}
               </Badge>
             </CardHeader>
             <CardContent>
               <div className="rounded-md border">
+                {/* v4-P1-10: 移动端表格水平滚动 */}
+                <div className="overflow-x-auto">
                   <Table>
                     <TableHeader>
                       <TableRow className="bg-muted/50">
-                      <TableHead>作业</TableHead>
+                        <TableHead>{t("grades.gradeInsights.assignment")}</TableHead>
-                      <TableHead>状态</TableHead>
+                        <TableHead>{t("grades.gradeInsights.status")}</TableHead>
-                      <TableHead>创建时间</TableHead>
+                        <TableHead>{t("grades.gradeInsights.created")}</TableHead>
-                      <TableHead className="text-right">目标数</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.targeted")}</TableHead>
-                      <TableHead className="text-right">提交数</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.submitted")}</TableHead>
-                      <TableHead className="text-right">已批改</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.graded")}</TableHead>
-                      <TableHead className="text-right">均分</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.avg")}</TableHead>
-                      <TableHead className="text-right">中位数</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.median")}</TableHead>
                       </TableRow>
                     </TableHeader>
                     <TableBody>
@@ -188,27 +174,30 @@ export default async function AdminGradeInsightsPage({
                     </TableBody>
                   </Table>
                 </div>
+              </div>
             </CardContent>
           </Card>
 
           <Card className="shadow-none">
             <CardHeader className="flex flex-row items-center justify-between space-y-0">
-              <CardTitle className="text-base">班级排名</CardTitle>
+              <CardTitle className="text-base">{t("grades.gradeInsights.classRanking")}</CardTitle>
               <Badge variant="secondary" className="tabular-nums">
                 {insights.classes.length}
               </Badge>
             </CardHeader>
             <CardContent>
               <div className="rounded-md border">
+                {/* v4-P1-10: 移动端表格水平滚动 */}
+                <div className="overflow-x-auto">
                   <Table>
                     <TableHeader>
                       <TableRow className="bg-muted/50">
-                      <TableHead>班级</TableHead>
+                        <TableHead>{t("grades.gradeInsights.class")}</TableHead>
-                      <TableHead className="text-right">学生数</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.students")}</TableHead>
-                      <TableHead className="text-right">最新均分</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.latestAvgCol")}</TableHead>
-                      <TableHead className="text-right">上次均分</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.prevAvg")}</TableHead>
-                      <TableHead className="text-right">Δ</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.delta")}</TableHead>
-                      <TableHead className="text-right">总体均分</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.overallAvgCol")}</TableHead>
                       </TableRow>
                     </TableHeader>
                     <TableBody>
@@ -230,6 +219,7 @@ export default async function AdminGradeInsightsPage({
                     </TableBody>
                   </Table>
                 </div>
+              </div>
             </CardContent>
           </Card>
         </div>

src/app/(dashboard)/admin/school/grades/page.tsx

@@ -6,7 +6,7 @@ import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
 import { GradesClient } from "@/modules/school/components/grades-view"
 import { SchoolErrorBoundary } from "@/modules/school/components/school-error-boundary"
-import { getGrades, getSchools, getStaffOptions } from "@/modules/school/data-access"
+import { getGrades, getSchools, getStaffOptions, getGradeOverviewStats } from "@/modules/school/data-access"
 
 export const dynamic = "force-dynamic"
 
@@ -21,7 +21,12 @@ export async function generateMetadata(): Promise<Metadata> {
 export default async function AdminGradesPage(): Promise<JSX.Element> {
   await requirePermission(Permissions.SCHOOL_MANAGE)
   const t = await getTranslations("school")
-  const [grades, schools, staff] = await Promise.all([getGrades(), getSchools(), getStaffOptions()])
+  const [grades, schools, staff, gradeStats] = await Promise.all([
+    getGrades(),
+    getSchools(),
+    getStaffOptions(),
+    getGradeOverviewStats(),
+  ])
 
   return (
     <div className="flex h-full flex-col space-y-8 p-8">
@@ -30,7 +35,7 @@ export default async function AdminGradesPage(): Promise<JSX.Element> {
         <p className="text-muted-foreground">{t("grades.description")}</p>
       </div>
       <SchoolErrorBoundary>
-        <GradesClient grades={grades} schools={schools} staff={staff} />
+        <GradesClient grades={grades} schools={schools} staff={staff} gradeStats={gradeStats} />
       </SchoolErrorBoundary>
     </div>
   )

src/app/(dashboard)/admin/settings/page.tsx

@@ -1,13 +1,17 @@
 import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
 import { AdminSettingsView } from "@/modules/settings/components/admin-settings-view"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "系统设置 - Next_Edu",
+  const t = await getTranslations("settings")
-  description: "管理系统基础信息与运行参数",
+  return {
+    title: `${t("admin.title")} - Next_Edu`,
+    description: t("admin.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"

src/app/(dashboard)/admin/users/import/page.tsx

@@ -1,7 +1,8 @@
-import { Metadata } from "next"
+import { Metadata } from "next"
 import type { JSX } from "react"
 import Link from "next/link"
 import { ArrowLeft, Users, FileSpreadsheet, Info } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -17,14 +18,18 @@ import {
 } from "@/shared/components/ui/table"
 import { UserImportDialog } from "@/modules/users/components/user-import-dialog"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "批量导入用户 - Next_Edu",
+  const t = await getTranslations("users")
-  description: "通过 Excel 批量导入用户",
+  return {
+    title: `${t("import.title")} - Next_Edu`,
+    description: t("import.description"),
+  }
 }
 
 export const dynamic = "force-dynamic"
 
 export default async function UserImportPage(): Promise<JSX.Element> {
+  const t = await getTranslations("users")
   await requirePermission(Permissions.USER_MANAGE)
   return (
     <div className="h-full flex-1 flex-col space-y-6 p-8 md:flex">
@@ -34,13 +39,13 @@ export default async function UserImportPage(): Promise<JSX.Element> {
             <Button asChild variant="ghost" size="sm">
               <Link href="/admin/dashboard">
                 <ArrowLeft className="mr-1 h-4 w-4" />
-                返回
+                {t("import.back")}
               </Link>
             </Button>
-            <h2 className="text-2xl font-bold tracking-tight">批量导入用户</h2>
+            <h2 className="text-2xl font-bold tracking-tight">{t("import.title")}</h2>
           </div>
           <p className="text-muted-foreground mt-1">
-            通过 Excel 文件批量创建用户账号，支持学生自动加入班级。
+            {t("import.subtitle")}
           </p>
         </div>
         <UserImportDialog />
@@ -51,26 +56,26 @@ export default async function UserImportPage(): Promise<JSX.Element> {
           <CardHeader>
             <div className="flex items-center gap-2">
               <FileSpreadsheet className="h-5 w-5 text-primary" />
-              <CardTitle className="text-base">导入说明</CardTitle>
+              <CardTitle className="text-base">{t("import.instructionsTitle")}</CardTitle>
             </div>
-            <CardDescription>使用 Excel 批量导入用户的步骤</CardDescription>
+            <CardDescription>{t("import.instructionsDescription")}</CardDescription>
           </CardHeader>
           <CardContent className="space-y-3 text-sm">
             <div className="flex gap-3">
               <span className="flex h-6 w-6 shrink-0 items-center justify-center rounded-full bg-primary/10 text-xs font-medium text-primary">1</span>
-              <p>点击「批量导入用户」按钮，下载导入模板。</p>
+              <p>{t("import.step1")}</p>
             </div>
             <div className="flex gap-3">
               <span className="flex h-6 w-6 shrink-0 items-center justify-center rounded-full bg-primary/10 text-xs font-medium text-primary">2</span>
-              <p>按模板格式填写用户信息（姓名、邮箱、角色、手机、班级邀请码）。</p>
+              <p>{t("import.step2")}</p>
             </div>
             <div className="flex gap-3">
               <span className="flex h-6 w-6 shrink-0 items-center justify-center rounded-full bg-primary/10 text-xs font-medium text-primary">3</span>
-              <p>上传填写好的 Excel 文件，系统将解析并预览数据。</p>
+              <p>{t("import.step3")}</p>
             </div>
             <div className="flex gap-3">
               <span className="flex h-6 w-6 shrink-0 items-center justify-center rounded-full bg-primary/10 text-xs font-medium text-primary">4</span>
-              <p>确认预览数据无误后，点击「确认导入」完成批量创建。</p>
+              <p>{t("import.step4")}</p>
             </div>
           </CardContent>
         </Card>
@@ -79,17 +84,17 @@ export default async function UserImportPage(): Promise<JSX.Element> {
           <CardHeader>
             <div className="flex items-center gap-2">
               <Info className="h-5 w-5 text-muted-foreground" />
-              <CardTitle className="text-base">注意事项</CardTitle>
+              <CardTitle className="text-base">{t("import.notesTitle")}</CardTitle>
             </div>
-            <CardDescription>导入前请仔细阅读</CardDescription>
+            <CardDescription>{t("import.notesDescription")}</CardDescription>
           </CardHeader>
           <CardContent className="space-y-2 text-sm text-muted-foreground">
-            <p>• 默认密码为 <code className="rounded bg-muted px-1 py-0.5 text-xs">123456</code>，请提示用户首次登录后修改。</p>
+            <p>{t("import.note1")}</p>
-            <p>• 邮箱必须唯一，重复邮箱将被跳过并记录在错误报告中。</p>
+            <p>{t("import.note2")}</p>
-            <p>• 角色可选：admin / teacher / student / parent / grade_head / teaching_head。</p>
+            <p>{t("import.note3")}</p>
-            <p>• 班级邀请码仅对 student 角色有效，填写后学生将自动加入对应班级。</p>
+            <p>{t("import.note4")}</p>
-            <p>• 单次最多导入 10MB 的文件，建议单次不超过 500 条记录。</p>
+            <p>{t("import.note5")}</p>
-            <p>• 导入完成后将显示成功数、失败数及详细错误信息。</p>
+            <p>{t("import.note6")}</p>
           </CardContent>
         </Card>
       </div>
@@ -98,45 +103,45 @@ export default async function UserImportPage(): Promise<JSX.Element> {
         <CardHeader>
           <div className="flex items-center gap-2">
             <Users className="h-5 w-5 text-primary" />
-            <CardTitle className="text-base">模板字段说明</CardTitle>
+            <CardTitle className="text-base">{t("import.templateTitle")}</CardTitle>
           </div>
-          <CardDescription>Excel 模板各列含义与要求</CardDescription>
+          <CardDescription>{t("import.templateDescription")}</CardDescription>
         </CardHeader>
         <CardContent>
           <div className="overflow-x-auto">
             <Table>
               <TableHeader>
                 <TableRow>
-                  <TableHead>列名</TableHead>
+                  <TableHead>{t("import.columnName")}</TableHead>
-                  <TableHead>是否必填</TableHead>
+                  <TableHead>{t("import.columnRequired")}</TableHead>
-                  <TableHead>说明</TableHead>
+                  <TableHead>{t("import.columnDescription")}</TableHead>
                 </TableRow>
               </TableHeader>
               <TableBody>
                 <TableRow>
-                  <TableCell className="font-medium">姓名</TableCell>
+                  <TableCell className="font-medium">{t("import.fieldName")}</TableCell>
-                  <TableCell>必填</TableCell>
+                  <TableCell>{t("import.fieldNameRequired")}</TableCell>
-                  <TableCell className="text-muted-foreground">用户姓名</TableCell>
+                  <TableCell className="text-muted-foreground">{t("import.fieldNameDescription")}</TableCell>
                 </TableRow>
                 <TableRow>
-                  <TableCell className="font-medium">邮箱</TableCell>
+                  <TableCell className="font-medium">{t("import.fieldEmail")}</TableCell>
-                  <TableCell>必填</TableCell>
+                  <TableCell>{t("import.fieldEmailRequired")}</TableCell>
-                  <TableCell className="text-muted-foreground">登录账号，需符合邮箱格式且唯一</TableCell>
+                  <TableCell className="text-muted-foreground">{t("import.fieldEmailDescription")}</TableCell>
                 </TableRow>
                 <TableRow>
-                  <TableCell className="font-medium">角色</TableCell>
+                  <TableCell className="font-medium">{t("import.fieldRole")}</TableCell>
-                  <TableCell>必填</TableCell>
+                  <TableCell>{t("import.fieldRoleRequired")}</TableCell>
-                  <TableCell className="text-muted-foreground">admin / teacher / student / parent / grade_head / teaching_head</TableCell>
+                  <TableCell className="text-muted-foreground">{t("import.fieldRoleDescription")}</TableCell>
                 </TableRow>
                 <TableRow>
-                  <TableCell className="font-medium">手机</TableCell>
+                  <TableCell className="font-medium">{t("import.fieldPhone")}</TableCell>
-                  <TableCell>选填</TableCell>
+                  <TableCell>{t("import.fieldPhoneRequired")}</TableCell>
-                  <TableCell className="text-muted-foreground">联系电话</TableCell>
+                  <TableCell className="text-muted-foreground">{t("import.fieldPhoneDescription")}</TableCell>
                 </TableRow>
                 <TableRow>
-                  <TableCell className="font-medium">班级邀请码</TableCell>
+                  <TableCell className="font-medium">{t("import.fieldInviteCode")}</TableCell>
-                  <TableCell>选填</TableCell>
+                  <TableCell>{t("import.fieldInviteCodeRequired")}</TableCell>
-                  <TableCell className="text-muted-foreground">仅 student 角色有效，6 位邀请码</TableCell>
+                  <TableCell className="text-muted-foreground">{t("import.fieldInviteCodeDescription")}</TableCell>
                 </TableRow>
               </TableBody>
             </Table>

src/app/(dashboard)/admin/users/page.tsx

@@ -1,5 +1,6 @@
 import type { Metadata } from "next"
 import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -7,9 +8,12 @@ import { getSearchParam, type SearchParams } from "@/shared/lib/utils"
 import { getAdminUsers, getAdminUserRoles } from "@/modules/users/data-access"
 import { AdminUsersView } from "@/modules/users/components/admin-users-view"
 
-export const metadata: Metadata = {
+export async function generateMetadata(): Promise<Metadata> {
-  title: "用户管理 - Next_Edu",
+  const t = await getTranslations("users")
-  description: "管理系统所有用户",
+  return {
+    title: `${t("title")} - Next_Edu`,
+    description: t("description"),
+  }
 }
 
 export const dynamic = "force-dynamic"

src/app/(dashboard)/management/grade/dashboard/loading.tsx

@@ -0,0 +1,42 @@
+import { Card, CardContent, CardHeader } from "@/shared/components/ui/card"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function ManagementGradeDashboardLoading() {
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="space-y-2">
+        <Skeleton className="h-8 w-48" />
+        <Skeleton className="h-4 w-64" />
+      </div>
+
+      <Skeleton className="h-10 w-full max-w-md" />
+
+      <Skeleton className="h-10 w-full max-w-2xl" />
+
+      <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-4">
+        {Array.from({ length: 4 }).map((_, i) => (
+          <Card key={i}>
+            <CardHeader className="pb-2">
+              <Skeleton className="h-4 w-24" />
+            </CardHeader>
+            <CardContent>
+              <Skeleton className="h-8 w-16" />
+              <Skeleton className="mt-2 h-3 w-28" />
+            </CardContent>
+          </Card>
+        ))}
+      </div>
+
+      <Card>
+        <CardHeader>
+          <Skeleton className="h-5 w-32" />
+        </CardHeader>
+        <CardContent className="space-y-3">
+          {Array.from({ length: 6 }).map((_, i) => (
+            <Skeleton key={i} className="h-12 w-full" />
+          ))}
+        </CardContent>
+      </Card>
+    </div>
+  )
+}

src/app/(dashboard)/management/grade/dashboard/page.tsx

@@ -0,0 +1,178 @@
+import type { Metadata } from "next"
+import type { JSX } from "react"
+
+import { getTranslations } from "next-intl/server"
+import { requirePermission } from "@/shared/lib/auth-guard"
+import { Permissions } from "@/shared/types/permissions"
+import { getTeacherIdForMutations } from "@/modules/classes/data-access"
+import { getGradeHomeworkInsights } from "@/modules/classes/data-access"
+import { getGradesForStaff } from "@/modules/school/data-access"
+import { getGradeDistributionByGradeId } from "@/modules/grades/data-access-analytics"
+import { getExamsByGradeId } from "@/modules/exams/data-access"
+import { getGradeCoursePlanProgress } from "@/modules/course-plans/data-access"
+import { GradeInsightsFilters } from "@/modules/school/components/grade-insights-filters"
+import { GradeDistributionPanel } from "@/modules/school/components/grade-dashboard/grade-distribution-panel"
+import { GradeHomeworkPanel } from "@/modules/school/components/grade-dashboard/grade-homework-panel"
+import { GradeExamsPanel } from "@/modules/school/components/grade-dashboard/grade-exams-panel"
+import { GradeProgressPanel } from "@/modules/school/components/grade-dashboard/grade-progress-panel"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { ChipNav } from "@/shared/components/ui/chip-nav"
+import { BarChart3 } from "lucide-react"
+import { getParam, type SearchParams } from "@/shared/lib/search-params"
+
+export const dynamic = "force-dynamic"
+
+const TAB_OPTIONS = [
+  { id: "distribution", name: "" },
+  { id: "homework", name: "" },
+  { id: "exams", name: "" },
+  { id: "progress", name: "" },
+] as const
+
+type TabId = (typeof TAB_OPTIONS)[number]["id"]
+
+const isTabId = (v: string): v is TabId =>
+  v === "distribution" || v === "homework" || v === "exams" || v === "progress"
+
+export async function generateMetadata(): Promise<Metadata> {
+  const t = await getTranslations("school")
+  return {
+    title: `${t("grades.gradeDashboard.title")} - Next_Edu`,
+    description: t("grades.gradeDashboard.description"),
+  }
+}
+
+export default async function GradeDashboardPage({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>
+}): Promise<JSX.Element> {
+  const ctx = await requirePermission(Permissions.GRADE_RECORD_READ)
+  const t = await getTranslations("school")
+  const params = await searchParams
+  const gradeId = getParam(params, "gradeId")
+  const tabRaw = getParam(params, "tab") || "distribution"
+  const tab: TabId = isTabId(tabRaw) ? tabRaw : "distribution"
+
+  const teacherId = await getTeacherIdForMutations()
+  const grades = await getGradesForStaff(teacherId)
+  const allowedIds = new Set(grades.map((g) => g.id))
+  const selected = gradeId && gradeId !== "all" && allowedIds.has(gradeId) ? gradeId : ""
+
+  const buildHref = (gId: string): string => {
+    const p = new URLSearchParams()
+    if (gId && gId !== "all") p.set("gradeId", gId)
+    if (tab !== "distribution") p.set("tab", tab)
+    const qs = p.toString()
+    return qs ? `/management/grade/dashboard?${qs}` : "/management/grade/dashboard"
+  }
+
+  const buildTabHref = (tId: string): string => {
+    const p = new URLSearchParams()
+    if (selected) p.set("gradeId", selected)
+    if (tId !== "distribution") p.set("tab", tId)
+    const qs = p.toString()
+    return qs ? `/management/grade/dashboard?${qs}` : "/management/grade/dashboard"
+  }
+
+  const tabOptions = TAB_OPTIONS.map((o) => ({
+    id: o.id,
+    name: t(`grades.gradeDashboard.tabs.${o.id}` as const),
+  }))
+
+  if (grades.length === 0) {
+    return (
+      <div className="flex h-full flex-col space-y-8 p-8">
+        <div className="space-y-1">
+          <h2 className="text-2xl font-bold tracking-tight">{t("grades.gradeDashboard.title")}</h2>
+          <p className="text-muted-foreground">{t("grades.gradeDashboard.description")}</p>
+        </div>
+        <EmptyState
+          icon={BarChart3}
+          title={t("grades.gradeDashboard.selectToView")}
+          description={t("grades.gradeDashboard.selectToViewDescription")}
+          className="h-[360px] bg-card"
+        />
+      </div>
+    )
+  }
+
+  // Fetch data for the active tab only
+  let distributionData = null
+  let homeworkData = null
+  let examsData = null
+  let progressData = null
+
+  if (selected) {
+    if (tab === "distribution") {
+      distributionData = await getGradeDistributionByGradeId({
+        gradeId: selected,
+        scope: ctx.dataScope,
+      })
+    } else if (tab === "homework") {
+      homeworkData = await getGradeHomeworkInsights({ gradeId: selected, limit: 50 })
+    } else if (tab === "exams") {
+      examsData = await getExamsByGradeId({ gradeId: selected, scope: ctx.dataScope })
+    } else if (tab === "progress") {
+      progressData = await getGradeCoursePlanProgress({ gradeId: selected })
+    }
+  }
+
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="space-y-1">
+        <h2 className="text-2xl font-bold tracking-tight">{t("grades.gradeDashboard.title")}</h2>
+        <p className="text-muted-foreground">{t("grades.gradeDashboard.description")}</p>
+      </div>
+
+      <GradeInsightsFilters
+        grades={grades.map((g) => ({ id: g.id, name: g.name, schoolName: g.school.name }))}
+        currentGradeId={selected || "all"}
+        buildHref={buildHref}
+      />
+
+      {!selected ? (
+        <EmptyState
+          icon={BarChart3}
+          title={t("grades.gradeDashboard.selectToView")}
+          description={t("grades.gradeDashboard.selectToViewDescription")}
+          className="h-[360px] bg-card"
+        />
+      ) : (
+        <div className="space-y-6">
+          <ChipNav
+            options={tabOptions}
+            currentId={tab}
+            buildHref={buildTabHref}
+          />
+
+          {tab === "distribution" && distributionData && (
+            <GradeDistributionPanel data={distributionData} />
+          )}
+          {tab === "homework" && homeworkData && (
+            <GradeHomeworkPanel data={homeworkData} />
+          )}
+          {tab === "exams" && examsData && (
+            <GradeExamsPanel data={examsData} />
+          )}
+          {tab === "progress" && progressData && (
+            <GradeProgressPanel data={progressData} />
+          )}
+
+          {/* Fallback: data was null (e.g. homework insights returned null) */}
+          {((tab === "distribution" && !distributionData) ||
+            (tab === "homework" && !homeworkData) ||
+            (tab === "exams" && !examsData) ||
+            (tab === "progress" && !progressData)) && (
+            <EmptyState
+              icon={BarChart3}
+              title={t("grades.gradeDashboard.noData")}
+              description={t("grades.gradeDashboard.noDataDescription")}
+              className="h-[360px] bg-card"
+            />
+          )}
+        </div>
+      )}
+    </div>
+  )
+}

src/app/(dashboard)/management/grade/insights/page.tsx

@@ -7,25 +7,23 @@ import { Permissions } from "@/shared/types/permissions"
 import { getTeacherIdForMutations } from "@/modules/classes/data-access"
 import { getGradeHomeworkInsights } from "@/modules/classes/data-access"
 import { getGradesForStaff } from "@/modules/school/data-access"
+import { GradeInsightsFilters } from "@/modules/school/components/grade-insights-filters"
 import { EmptyState } from "@/shared/components/ui/empty-state"
 import { StatCard } from "@/shared/components/ui/stat-card"
 import { Card, CardContent, CardHeader, CardTitle } from "@/shared/components/ui/card"
 import { Badge } from "@/shared/components/ui/badge"
-import { Button } from "@/shared/components/ui/button"
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/shared/components/ui/table"
 import { BarChart3 } from "lucide-react"
-import { formatDate } from "@/shared/lib/utils"
+import { formatDate, formatNumber } from "@/shared/lib/utils"
 import { getParam, type SearchParams } from "@/shared/lib/search-params"
 
 export const dynamic = "force-dynamic"
 
-const formatScore = (v: number | null, digits = 1) => (typeof v === "number" && Number.isFinite(v) ? v.toFixed(digits) : "-")
-
 export async function generateMetadata(): Promise<Metadata> {
   const t = await getTranslations("school")
   return {
-    title: `${t("classManagement.grade.insights.title")} - Next_Edu`,
+    title: `${t("grades.gradeInsights.title")} - Next_Edu`,
-    description: t("classManagement.grade.insights.description"),
+    description: t("grades.gradeInsights.description"),
   }
 }
 
@@ -42,17 +40,24 @@ export default async function TeacherGradeInsightsPage({ searchParams }: { searc
 
   const insights = selected ? await getGradeHomeworkInsights({ gradeId: selected, limit: 50 }) : null
 
+  const buildHref = (gId: string): string => {
+    const p = new URLSearchParams()
+    if (gId && gId !== "all") p.set("gradeId", gId)
+    const qs = p.toString()
+    return qs ? `/management/grade/insights?${qs}` : "/management/grade/insights"
+  }
+
   if (grades.length === 0) {
     return (
       <div className="flex h-full flex-col space-y-8 p-8">
         <div className="space-y-1">
-          <h2 className="text-2xl font-bold tracking-tight">{t("classManagement.grade.insights.title")}</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("grades.gradeInsights.title")}</h2>
-          <p className="text-muted-foreground">{t("classManagement.grade.insights.description")}</p>
+          <p className="text-muted-foreground">{t("grades.gradeInsights.description")}</p>
         </div>
         <EmptyState
           icon={BarChart3}
-          title={t("classManagement.grade.insights.noGrades")}
+          title={t("grades.gradeInsights.selectToView")}
-          description={t("classManagement.grade.insights.noGradesDescription")}
+          description={t("grades.gradeInsights.selectToViewDescription")}
           className="h-[360px] bg-card"
         />
       </div>
@@ -62,85 +67,62 @@ export default async function TeacherGradeInsightsPage({ searchParams }: { searc
   return (
     <div className="flex h-full flex-col space-y-8 p-8">
       <div className="space-y-1">
-        <h2 className="text-2xl font-bold tracking-tight">{t("classManagement.grade.insights.title")}</h2>
+        <h2 className="text-2xl font-bold tracking-tight">{t("grades.gradeInsights.title")}</h2>
-        <p className="text-muted-foreground">{t("classManagement.grade.insights.description")}</p>
+        <p className="text-muted-foreground">{t("grades.gradeInsights.description")}</p>
       </div>
 
-      <Card className="shadow-none">
+      {/* 年级筛选：ChipNav 即时切换，无整页刷新 */}
-        <CardHeader className="flex flex-row items-center justify-between space-y-0">
+      <GradeInsightsFilters
-          <CardTitle className="text-base">{t("classManagement.grade.insights.filters")}</CardTitle>
+        grades={grades.map((g) => ({ id: g.id, name: g.name, schoolName: g.school.name }))}
-          <Badge variant="secondary" className="tabular-nums">
+        currentGradeId={selected || "all"}
-            {grades.length}
+        buildHref={buildHref}
-          </Badge>
+      />
-        </CardHeader>
-        <CardContent>
-          <form action="/management/grade/insights" method="get" className="flex flex-col gap-3 md:flex-row md:items-center">
-            <label htmlFor="gradeId" className="text-sm font-medium">{t("classManagement.grade.insights.grade")}</label>
-            <select
-              id="gradeId"
-              name="gradeId"
-              defaultValue={selected || "all"}
-              className="h-10 w-full rounded-md border bg-background px-3 text-sm md:w-[360px]"
-            >
-              <option value="all">{t("classManagement.grade.insights.selectGrade")}</option>
-              {grades.map((g) => (
-                <option key={g.id} value={g.id}>
-                  {g.school.name} / {g.name}
-                </option>
-              ))}
-            </select>
-            <Button type="submit" className="md:ml-2">
-              {t("classManagement.grade.insights.apply")}
-            </Button>
-          </form>
-        </CardContent>
-      </Card>
 
       {!selected ? (
         <EmptyState
           icon={BarChart3}
-          title={t("classManagement.grade.insights.selectToView")}
+          title={t("grades.gradeInsights.selectToView")}
-          description={t("classManagement.grade.insights.selectToViewDescription")}
+          description={t("grades.gradeInsights.selectToViewDescription")}
           className="h-[360px] bg-card"
         />
       ) : !insights ? (
         <EmptyState
           icon={BarChart3}
-          title={t("classManagement.grade.insights.notFound")}
+          title={t("grades.gradeInsights.notFound")}
-          description={t("classManagement.grade.insights.notFoundDescription")}
+          description={t("grades.gradeInsights.notFoundDescription")}
           className="h-[360px] bg-card"
         />
       ) : insights.assignments.length === 0 ? (
         <EmptyState
           icon={BarChart3}
-          title={t("classManagement.grade.insights.noData")}
+          title={t("grades.gradeInsights.noData")}
-          description={t("classManagement.grade.insights.noDataDescription")}
+          description={t("grades.gradeInsights.noDataDescription")}
           className="h-[360px] bg-card"
         />
       ) : (
         <div className="space-y-6">
           <div className="grid gap-4 md:grid-cols-4">
             <StatCard
-              title={t("classManagement.grade.insights.classes")}
+              title={t("grades.gradeInsights.classes")}
               value={insights.classCount}
               description={`${insights.grade.school.name} / ${insights.grade.name}`}
               valueClassName="tabular-nums"
             />
             <StatCard
-              title={t("classManagement.grade.insights.students")}
+              title={t("grades.gradeInsights.students")}
               value={insights.studentCounts.total}
-              description={`${t("classManagement.grade.insights.active")} ${insights.studentCounts.active} • ${t("classManagement.grade.insights.inactive")} ${insights.studentCounts.inactive}`}
+              description={`${t("grades.gradeInsights.active")} ${insights.studentCounts.active} • ${t("grades.gradeInsights.inactive")} ${insights.studentCounts.inactive}`}
               valueClassName="tabular-nums"
             />
             <StatCard
-              title={t("classManagement.grade.insights.overallAvg")}
+              title={t("grades.gradeInsights.overallAvg")}
-              value={formatScore(insights.overallScores.avg)}
+              value={formatNumber(insights.overallScores.avg)}
               description="-"
               valueClassName="tabular-nums"
             />
             <StatCard
-              title={t("classManagement.grade.insights.latestAvg")}
+              title={t("grades.gradeInsights.latestAvg")}
-              value={formatScore(insights.latest?.scoreStats.avg ?? null)}
+              value={formatNumber(insights.latest?.scoreStats.avg ?? null)}
               description={insights.latest ? insights.latest.title : "-"}
               valueClassName="tabular-nums"
             />
@@ -148,24 +130,26 @@ export default async function TeacherGradeInsightsPage({ searchParams }: { searc
 
           <Card className="shadow-none">
             <CardHeader className="flex flex-row items-center justify-between space-y-0">
-              <CardTitle className="text-base">{t("classManagement.grade.insights.homeworkTimeline")}</CardTitle>
+              <CardTitle className="text-base">{t("grades.gradeInsights.homeworkTimeline")}</CardTitle>
               <Badge variant="secondary" className="tabular-nums">
                 {insights.assignments.length}
               </Badge>
             </CardHeader>
             <CardContent>
               <div className="rounded-md border">
+                {/* v4-P1-11: 移动端表格水平滚动 */}
+                <div className="overflow-x-auto">
                   <Table>
                     <TableHeader>
                       <TableRow className="bg-muted/50">
-                      <TableHead>{t("classManagement.grade.insights.assignment")}</TableHead>
+                        <TableHead>{t("grades.gradeInsights.assignment")}</TableHead>
-                      <TableHead>{t("classManagement.grade.insights.status")}</TableHead>
+                        <TableHead>{t("grades.gradeInsights.status")}</TableHead>
-                      <TableHead>{t("classManagement.grade.insights.created")}</TableHead>
+                        <TableHead>{t("grades.gradeInsights.created")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.targeted")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.targeted")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.submitted")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.submitted")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.graded")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.graded")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.avg")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.avg")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.median")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.median")}</TableHead>
                       </TableRow>
                     </TableHeader>
                     <TableBody>
@@ -181,34 +165,37 @@ export default async function TeacherGradeInsightsPage({ searchParams }: { searc
                           <TableCell className="text-right tabular-nums">{a.targetCount}</TableCell>
                           <TableCell className="text-right tabular-nums">{a.submittedCount}</TableCell>
                           <TableCell className="text-right tabular-nums">{a.gradedCount}</TableCell>
-                        <TableCell className="text-right tabular-nums">{formatScore(a.scoreStats.avg)}</TableCell>
+                          <TableCell className="text-right tabular-nums">{formatNumber(a.scoreStats.avg)}</TableCell>
-                        <TableCell className="text-right tabular-nums">{formatScore(a.scoreStats.median)}</TableCell>
+                          <TableCell className="text-right tabular-nums">{formatNumber(a.scoreStats.median)}</TableCell>
                         </TableRow>
                       ))}
                     </TableBody>
                   </Table>
                 </div>
+              </div>
             </CardContent>
           </Card>
 
           <Card className="shadow-none">
             <CardHeader className="flex flex-row items-center justify-between space-y-0">
-              <CardTitle className="text-base">{t("classManagement.grade.insights.classRanking")}</CardTitle>
+              <CardTitle className="text-base">{t("grades.gradeInsights.classRanking")}</CardTitle>
               <Badge variant="secondary" className="tabular-nums">
                 {insights.classes.length}
               </Badge>
             </CardHeader>
             <CardContent>
               <div className="rounded-md border">
+                {/* v4-P1-11: 移动端表格水平滚动 */}
+                <div className="overflow-x-auto">
                   <Table>
                     <TableHeader>
                       <TableRow className="bg-muted/50">
-                      <TableHead>{t("classManagement.grade.insights.class")}</TableHead>
+                        <TableHead>{t("grades.gradeInsights.class")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.students")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.students")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.latestAvgCol")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.latestAvgCol")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.prevAvg")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.prevAvg")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.delta")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.delta")}</TableHead>
-                      <TableHead className="text-right">{t("classManagement.grade.insights.overallAvgCol")}</TableHead>
+                        <TableHead className="text-right">{t("grades.gradeInsights.overallAvgCol")}</TableHead>
                       </TableRow>
                     </TableHeader>
                     <TableBody>
@@ -219,15 +206,16 @@ export default async function TeacherGradeInsightsPage({ searchParams }: { searc
                             {c.class.homeroom ? <span className="text-muted-foreground"> • {c.class.homeroom}</span> : null}
                           </TableCell>
                           <TableCell className="text-right tabular-nums">{c.studentCounts.total}</TableCell>
-                        <TableCell className="text-right tabular-nums">{formatScore(c.latestAvg)}</TableCell>
+                          <TableCell className="text-right tabular-nums">{formatNumber(c.latestAvg)}</TableCell>
-                        <TableCell className="text-right tabular-nums">{formatScore(c.prevAvg)}</TableCell>
+                          <TableCell className="text-right tabular-nums">{formatNumber(c.prevAvg)}</TableCell>
-                        <TableCell className="text-right tabular-nums">{formatScore(c.deltaAvg)}</TableCell>
+                          <TableCell className="text-right tabular-nums">{formatNumber(c.deltaAvg)}</TableCell>
-                        <TableCell className="text-right tabular-nums">{formatScore(c.overallScores.avg)}</TableCell>
+                          <TableCell className="text-right tabular-nums">{formatNumber(c.overallScores.avg)}</TableCell>
                         </TableRow>
                       ))}
                     </TableBody>
                   </Table>
                 </div>
+              </div>
             </CardContent>
           </Card>
         </div>

src/app/(dashboard)/management/grade/practice/error.tsx

@@ -0,0 +1,27 @@
+"use client"
+
+import { useEffect } from "react"
+import { BarChart3 } from "lucide-react"
+
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function Error() {
+  useEffect(() => {
+    console.error("Grade practice analytics page error")
+  }, [])
+
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div>
+        <h1 className="text-2xl font-bold tracking-tight">年级专项练习总览</h1>
+        <p className="text-muted-foreground">加载年级练习数据时发生错误</p>
+      </div>
+      <EmptyState
+        icon={BarChart3}
+        title="加载失败"
+        description="请刷新页面重试，或联系管理员检查数据访问权限。"
+        className="h-[360px] bg-card"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/management/grade/practice/loading.tsx

@@ -0,0 +1,16 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function Loading() {
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <Skeleton className="h-10 w-48" />
+      <Skeleton className="h-20 w-full" />
+      <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-5">
+        {Array.from({ length: 5 }).map((_, i) => (
+          <Skeleton key={i} className="h-[100px]" />
+        ))}
+      </div>
+      <Skeleton className="h-[300px] w-full" />
+    </div>
+  )
+}

src/app/(dashboard)/management/grade/practice/page.tsx

@@ -0,0 +1,141 @@
+import type { Metadata } from "next"
+import type { JSX } from "react"
+import { BarChart3 } from "lucide-react"
+import { getTranslations } from "next-intl/server"
+
+import { requirePermission } from "@/shared/lib/auth-guard"
+import { Permissions } from "@/shared/types/permissions"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { getParam, type SearchParams } from "@/shared/lib/search-params"
+import { getTeacherIdForMutations } from "@/modules/classes/data-access"
+import { getGradesForStaff } from "@/modules/school/data-access"
+import { GradeInsightsFilters } from "@/modules/school/components/grade-insights-filters"
+
+import {
+  getGradePracticeOverview,
+  getGradeClassPracticeComparison,
+  getPracticeTypeBreakdown,
+} from "@/modules/adaptive-practice/data-access-analytics"
+import { getUserIdsByGradeId } from "@/modules/users/data-access"
+import { PracticeOverviewStatsCards } from "@/modules/adaptive-practice/components/practice-overview-stats-cards"
+import { ClassPracticeComparisonTable } from "@/modules/adaptive-practice/components/class-practice-comparison-table"
+import { PracticeTypeBreakdownChart } from "@/modules/adaptive-practice/components/practice-type-breakdown-chart"
+
+export const dynamic = "force-dynamic"
+
+export async function generateMetadata(): Promise<Metadata> {
+  const t = await getTranslations("practice")
+  return {
+    title: `${t("grade.title")} - Next_Edu`,
+    description: t("grade.description"),
+  }
+}
+
+export default async function GradePracticePage({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>
+}): Promise<JSX.Element> {
+  await requirePermission(Permissions.ADAPTIVE_PRACTICE_READ)
+  const t = await getTranslations("practice")
+  const params = await searchParams
+  const gradeId = getParam(params, "gradeId")
+
+  const teacherId = await getTeacherIdForMutations()
+  const grades = await getGradesForStaff(teacherId)
+  const allowedIds = new Set(grades.map((g) => g.id))
+  const selected = gradeId && gradeId !== "all" && allowedIds.has(gradeId) ? gradeId : ""
+
+  const buildHref = (gId: string): string => {
+    const p = new URLSearchParams()
+    if (gId && gId !== "all") p.set("gradeId", gId)
+    const qs = p.toString()
+    return qs ? `/management/grade/practice?${qs}` : "/management/grade/practice"
+  }
+
+  if (grades.length === 0) {
+    return (
+      <div className="flex h-full flex-col space-y-8 p-8">
+        <div className="space-y-1">
+          <h2 className="text-2xl font-bold tracking-tight">{t("grade.title")}</h2>
+          <p className="text-muted-foreground">{t("grade.description")}</p>
+        </div>
+        <EmptyState
+          icon={BarChart3}
+          title={t("grade.noGrade")}
+          description={t("grade.noGradeDescription")}
+          className="h-[360px] bg-card"
+        />
+      </div>
+    )
+  }
+
+  // 仅在选中年级时查询数据
+  let overview: Awaited<ReturnType<typeof getGradePracticeOverview>> = null
+  let classComparison: Awaited<ReturnType<typeof getGradeClassPracticeComparison>> = []
+  let typeBreakdown: Awaited<ReturnType<typeof getPracticeTypeBreakdown>> = []
+
+  if (selected) {
+    const studentIds = await getUserIdsByGradeId(selected)
+    const [ov, cmp, breakdown] = await Promise.all([
+      getGradePracticeOverview(selected),
+      getGradeClassPracticeComparison(selected),
+      getPracticeTypeBreakdown(studentIds),
+    ])
+    overview = ov
+    classComparison = cmp
+    typeBreakdown = breakdown
+  }
+
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="space-y-1">
+        <h2 className="text-2xl font-bold tracking-tight">{t("grade.title")}</h2>
+        <p className="text-muted-foreground">{t("grade.description")}</p>
+      </div>
+
+      <GradeInsightsFilters
+        grades={grades.map((g) => ({ id: g.id, name: g.name, schoolName: g.school.name }))}
+        currentGradeId={selected || "all"}
+        buildHref={buildHref}
+      />
+
+      {!selected ? (
+        <EmptyState
+          icon={BarChart3}
+          title={t("grade.noGrade")}
+          description={t("grade.noGradeDescription")}
+          className="h-[360px] bg-card"
+        />
+      ) : !overview ? (
+        <EmptyState
+          icon={BarChart3}
+          title={t("teacher.noData")}
+          description={t("teacher.noDataDescription")}
+          className="h-[360px] bg-card"
+        />
+      ) : (
+        <div className="space-y-6">
+          {/* 年级整体统计卡片 */}
+          <PracticeOverviewStatsCards
+            totalClasses={overview.totalClasses}
+            totalSessions={overview.totalSessions}
+            totalAnswered={overview.totalQuestionsAnswered}
+            averageAccuracy={overview.averageAccuracy}
+            participationRate={overview.participationRate}
+          />
+
+          {/* 各班级练习对比表 */}
+          {classComparison.length > 0 ? (
+            <ClassPracticeComparisonTable data={classComparison} />
+          ) : null}
+
+          {/* 练习类型分布图 */}
+          {typeBreakdown.length > 0 ? (
+            <PracticeTypeBreakdownChart data={typeBreakdown} />
+          ) : null}
+        </div>
+      )}
+    </div>
+  )
+}

src/app/(dashboard)/parent/children/[studentId]/page.tsx

@@ -14,6 +14,7 @@ import {
 } from "@/modules/parent/components/child-detail-panel"
 import { EmptyState } from "@/shared/components/ui/empty-state"
 import { ShieldAlert } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
 export const dynamic = "force-dynamic"
 
@@ -27,6 +28,7 @@ export default async function ChildDetailPage({
   const { studentId } = await params
   const sp = await searchParams
   const ctx = await requireAuth()
+  const t = await getTranslations("common")
 
   // 校验当前家长与该子女存在关系（同时按 parentId + studentId 过滤，防止跨家庭信息泄露）
   const relation = await verifyParentChildRelation(studentId, ctx.userId)
@@ -41,8 +43,8 @@ export default async function ChildDetailPage({
       <div className="p-6 md:p-8">
         <EmptyState
           icon={ShieldAlert}
-          title="Access denied"
+          title={t("accessDenied")}
-          description="This student is not linked to your account. Please contact the school administrator if you believe this is an error."
+          description={t("accessDeniedDesc")}
           className="border-none shadow-none"
         />
       </div>

src/app/(dashboard)/parent/diagnostic/page.tsx

@@ -11,6 +11,7 @@ import {
 } from "@/modules/parent/components/parent-children-data-page"
 import { getUserNamesByIds } from "@/modules/users/data-access"
 import { Card, CardContent } from "@/shared/components/ui/card"
+import { getTranslations } from "next-intl/server"
 
 export const dynamic = "force-dynamic"
 
@@ -34,15 +35,16 @@ type ChildDiagnosticItem = ChildDiagnosticSuccessItem | ChildDiagnosticErrorItem
 
 export default async function ParentDiagnosticPage() {
   const ctx = await requirePermission(Permissions.DIAGNOSTIC_READ)
+  const t = await getTranslations("diagnostic")
 
   if (ctx.dataScope.type !== "children" || ctx.dataScope.childrenIds.length === 0) {
     return (
       <ParentNoChildrenPage
-        title="Children Diagnostic"
+        title={t("parent.title")}
-        description="View your children's knowledge point mastery and diagnostic reports."
+        description={t("parent.description")}
         icon={Stethoscope}
-        emptyTitle="No children linked"
+        emptyTitle={t("parent.noChildren")}
-        emptyDescription="Your account is not linked to any student accounts yet. Please contact the school administrator."
+        emptyDescription={t("parent.noChildrenDesc")}
       />
     )
   }
@@ -68,7 +70,7 @@ export default async function ParentDiagnosticPage() {
 
   const items: ChildDiagnosticItem[] = results.map((r, idx) => {
     const studentId = childrenIds[idx]
-    const studentName = nameMap.get(studentId)?.name ?? "Unknown student"
+    const studentName = nameMap.get(studentId)?.name ?? t("parent.selectChild")
     if (r.status === "fulfilled") {
       return {
         studentId,
@@ -88,11 +90,11 @@ export default async function ParentDiagnosticPage() {
 
   return (
     <ParentChildrenDataPage
-      title="Children Diagnostic"
+      title={t("parent.title")}
-      description="View knowledge point mastery and diagnostic reports for all your children."
+      description={t("parent.description")}
       icon={Stethoscope}
-      noRecordsTitle="No diagnostic data"
+      noRecordsTitle={t("parent.noReports")}
-      noRecordsDescription="Your children don't have any diagnostic data yet."
+      noRecordsDescription={t("parent.noReports")}
       items={items}
       renderItem={(item) => (
         <>
@@ -111,10 +113,10 @@ export default async function ParentDiagnosticPage() {
               <CardContent className="flex flex-col items-center gap-3 py-8 text-center">
                 <AlertCircle className="h-8 w-8 text-destructive" aria-hidden="true" />
                 <p className="text-sm font-medium text-destructive">
-                  Failed to load diagnostic data for {item.studentName}.
+                  {t("error.loadFailed")} for {item.studentName}.
                 </p>
                 <p className="text-xs text-muted-foreground">
-                  Please refresh the page or contact the school administrator if the problem persists.
+                  {t("error.loadFailed")}. Please refresh the page or contact the school administrator if the problem persists.
                 </p>
               </CardContent>
             </Card>

src/app/(dashboard)/parent/error-book/page.tsx

@@ -17,23 +17,25 @@ import {
 } from "@/modules/error-book/data-access"
 import { ErrorBookStatsCards } from "@/modules/error-book/components/error-book-stats-cards"
 import { TopWrongQuestions } from "@/modules/error-book/components/top-wrong-questions"
+import { getTranslations } from "next-intl/server"
 
 export const dynamic = "force-dynamic"
 
 export default async function ParentErrorBookPage(): Promise<JSX.Element> {
   const ctx = await requirePermission(Permissions.ERROR_BOOK_READ)
+  const t = await getTranslations("errorBook")
 
   if (ctx.dataScope.type !== "children" || ctx.dataScope.childrenIds.length === 0) {
     return (
       <div className="flex h-full flex-col space-y-8 p-8">
         <div>
-          <h1 className="text-2xl font-bold tracking-tight">子女错题本</h1>
+          <h1 className="text-2xl font-bold tracking-tight">{t("parent.title")}</h1>
-          <p className="text-muted-foreground">查看子女的错题情况与学习进度。</p>
+          <p className="text-muted-foreground">{t("parent.description")}</p>
         </div>
         <EmptyState
           icon={Users}
-          title="暂无子女关联"
+          title={t("parent.noChild")}
-          description="您的账号尚未关联子女，请联系学校管理员进行关联。"
+          description={t("parent.noChildDesc")}
           className="h-[360px] bg-card"
         />
       </div>
@@ -56,8 +58,8 @@ export default async function ParentErrorBookPage(): Promise<JSX.Element> {
   return (
     <div className="flex h-full flex-col space-y-8 p-8">
       <div>
-        <h1 className="text-2xl font-bold tracking-tight">子女错题本</h1>
+        <h1 className="text-2xl font-bold tracking-tight">{t("parent.title")}</h1>
-        <p className="text-muted-foreground">查看子女的错题情况与学习进度。</p>
+        <p className="text-muted-foreground">{t("parent.description")}</p>
       </div>
 
       {childrenIds.length === 1 ? (
@@ -68,35 +70,35 @@ export default async function ParentErrorBookPage(): Promise<JSX.Element> {
         <div className="grid gap-4 md:grid-cols-2">
           {childrenIds.map((childId, idx) => {
             const stats = childStatsList[idx]
-            const name = nameMap.get(childId) ?? "未知"
+            const name = nameMap.get(childId) ?? t("parent.unknown")
             return (
               <Card key={childId}>
                 <CardHeader>
                   <CardTitle className="flex items-center justify-between text-base">
                     <span>{name}</span>
                     <Badge variant="outline">
-                      {formatNumber(stats.masteredRate * 100, 0)}% 掌握
+                      {t("parent.mastery", { rate: formatNumber(stats.masteredRate * 100, 0) })}
                     </Badge>
                   </CardTitle>
                 </CardHeader>
                 <CardContent className="space-y-3">
                   <div className="grid grid-cols-2 gap-3 text-sm">
                     <div>
-                      <div className="text-muted-foreground">错题总数</div>
+                      <div className="text-muted-foreground">{t("parent.totalErrors")}</div>
                       <div className="text-lg font-bold">{stats.totalCount}</div>
                     </div>
                     <div>
-                      <div className="text-muted-foreground">待复习</div>
+                      <div className="text-muted-foreground">{t("parent.dueReview")}</div>
                       <div className="text-lg font-bold text-rose-600 dark:text-rose-400">
                         {stats.dueReviewCount}
                       </div>
                     </div>
                     <div>
-                      <div className="text-muted-foreground">待学习</div>
+                      <div className="text-muted-foreground">{t("parent.newItems")}</div>
                       <div className="font-medium text-blue-600 dark:text-blue-400">{stats.newCount}</div>
                     </div>
                     <div>
-                      <div className="text-muted-foreground">已掌握</div>
+                      <div className="text-muted-foreground">{t("parent.mastered")}</div>
                       <div className="font-medium text-emerald-600 dark:text-emerald-400">{stats.masteredCount}</div>
                     </div>
                   </div>
@@ -112,7 +114,7 @@ export default async function ParentErrorBookPage(): Promise<JSX.Element> {
       {weakKps.length > 0 ? (
         <Card>
           <CardHeader>
-            <CardTitle className="text-base">薄弱知识点</CardTitle>
+            <CardTitle className="text-base">{t("parent.weakPoints")}</CardTitle>
           </CardHeader>
           <CardContent>
             <div className="space-y-3">
@@ -121,7 +123,7 @@ export default async function ParentErrorBookPage(): Promise<JSX.Element> {
                   <div className="flex items-center justify-between text-sm">
                     <span>{kp.knowledgePointName}</span>
                     <span className="text-muted-foreground">
-                      {kp.errorCount} 错 · {formatNumber(kp.masteryRate * 100, 0)}% 掌握
+                      {t("parent.errorsAndMastery", { count: kp.errorCount, rate: formatNumber(kp.masteryRate * 100, 0) })}
                     </span>
                   </div>
                   <Progress value={kp.masteryRate * 100} className="h-1.5" />

src/app/(dashboard)/parent/error.tsx

@@ -2,6 +2,7 @@
 
 import { EmptyState } from "@/shared/components/ui/empty-state"
 import { AlertTriangle } from "lucide-react"
+import { useTranslations } from "next-intl"
 
 export default function ParentError({
   error,
@@ -10,13 +11,15 @@ export default function ParentError({
   error: Error & { digest?: string }
   reset: () => void
 }) {
+  const t = useTranslations("common")
+
   return (
     <div className="p-6 md:p-8">
       <EmptyState
         icon={AlertTriangle}
-        title="Something went wrong"
+        title={t("somethingWentWrong")}
         description={error.message || "An unexpected error occurred. Please try again."}
-        action={{ label: "Try again", onClick: reset }}
+        action={{ label: t("tryAgain"), onClick: reset }}
       />
     </div>
   )

src/app/(dashboard)/parent/grades/page.tsx

@@ -11,6 +11,7 @@ import {
 import { ParentExportButton } from "@/modules/parent/components/parent-export-button"
 import { GraduationCap } from "lucide-react"
 import type { ClassAverageTrendResult } from "@/modules/grades/types"
+import { getTranslations } from "next-intl/server"
 
 export const dynamic = "force-dynamic"
 
@@ -22,15 +23,16 @@ interface ChildGradeItem {
 
 export default async function ParentGradesPage() {
   const ctx = await requirePermission(Permissions.GRADE_RECORD_READ)
+  const t = await getTranslations("grades")
 
   if (ctx.dataScope.type !== "children" || ctx.dataScope.childrenIds.length === 0) {
     return (
       <ParentNoChildrenPage
-        title="Children Grades"
+        title={t("parent.title")}
-        description="View your children's grade records."
+        description={t("parent.description")}
         icon={GraduationCap}
-        emptyTitle="No children linked"
+        emptyTitle={t("parent.noChildren")}
-        emptyDescription="Your account is not linked to any student accounts yet. Please contact the school administrator."
+        emptyDescription={t("parent.noChildrenDesc")}
       />
     )
   }
@@ -64,11 +66,11 @@ export default async function ParentGradesPage() {
 
   return (
     <ParentChildrenDataPage
-      title="Children Grades"
+      title={t("parent.title")}
-      description="Compare grades across all your children. For single-child analysis, open the child's detail page."
+      description={t("parent.description")}
       icon={GraduationCap}
-      noRecordsTitle="No grade records"
+      noRecordsTitle={t("parent.noGrades")}
-      noRecordsDescription="Your children don't have any grade records yet."
+      noRecordsDescription={t("parent.noGradesDesc")}
       items={validItems}
       renderItem={({ studentId, summary, classAverageTrend }) => (
         <>

src/app/(dashboard)/parent/leave/page.tsx

@@ -4,23 +4,26 @@ import { CalendarDays, ArrowLeft, Phone, Mail } from "lucide-react"
 import { Button } from "@/shared/components/ui/button"
 import { Card, CardContent, CardHeader, CardTitle } from "@/shared/components/ui/card"
 import { EmptyState } from "@/shared/components/ui/empty-state"
+import { getTranslations } from "next-intl/server"
 
 export const dynamic = "force-dynamic"
 
 export default async function ParentLeavePage() {
+  const t = await getTranslations("leave")
+
   return (
     <div className="p-6 md:p-8 space-y-6">
       <div className="space-y-1">
-        <h1 className="text-2xl font-bold tracking-tight">Leave Request</h1>
+        <h1 className="text-2xl font-bold tracking-tight">{t("title")}</h1>
         <p className="text-sm text-muted-foreground">
-          Submit a leave request for your child.
+          {t("description")}
         </p>
       </div>
 
       <Button asChild variant="ghost" size="sm" className="gap-2 -ml-2">
-        <Link href="/parent/dashboard" aria-label="Back to Dashboard">
+        <Link href="/parent/dashboard" aria-label={t("backToDashboard")}>
           <ArrowLeft className="h-4 w-4" />
-          Back to Dashboard
+          {t("backToDashboard")}
         </Link>
       </Button>
 
@@ -28,33 +31,33 @@ export default async function ParentLeavePage() {
         <CardHeader>
           <CardTitle className="flex items-center gap-2 text-base">
             <CalendarDays className="h-4 w-4 text-muted-foreground" aria-hidden />
-            Online Leave Request
+            {t("onlineLeave")}
           </CardTitle>
         </CardHeader>
         <CardContent className="space-y-4">
           <EmptyState
             icon={CalendarDays}
-            title="Coming soon"
+            title={t("comingSoon")}
-            description="The online leave request feature is being developed and will be available soon. For now, please contact the homeroom teacher or school office directly."
+            description={t("comingSoonDesc")}
             className="border-none shadow-none"
           />
           <div className="rounded-md border bg-muted/30 p-4 space-y-2">
-            <div className="text-sm font-medium">Contact options</div>
+            <div className="text-sm font-medium">{t("contactOptions")}</div>
             <ul className="space-y-2 text-sm text-muted-foreground">
               <li className="flex items-center gap-2">
                 <Phone className="h-4 w-4" aria-hidden />
-                <span>Call the school office during working hours</span>
+                <span>{t("callOffice")}</span>
               </li>
               <li className="flex items-center gap-2">
                 <Mail className="h-4 w-4" aria-hidden />
-                <span>Send a message to the homeroom teacher via the Messages page</span>
+                <span>{t("sendMessage")}</span>
               </li>
               <li>
                 <Link
                   href="/messages"
                   className="inline-flex h-9 items-center rounded-md bg-primary px-3 text-sm font-medium text-primary-foreground hover:bg-primary/90 transition-colors mt-2 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2"
                 >
-                  Go to Messages
+                  {t("goToMessages")}
                 </Link>
               </li>
             </ul>

src/app/(dashboard)/parent/lesson-plans/[planId]/view/error.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { BookOpen } from "lucide-react"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function ParentLessonPlanViewError() {
+  const t = useTranslations("lessonPreparation")
+  return (
+    <div className="p-8">
+      <EmptyState
+        icon={BookOpen}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
+        className="border-none shadow-none"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/parent/lesson-plans/[planId]/view/loading.tsx

@@ -0,0 +1,11 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function ParentLessonPlanViewLoading() {
+  return (
+    <div className="h-[calc(100vh-4rem)]">
+      <div className="flex h-full items-center justify-center">
+        <Skeleton className="h-[80%] w-[80%]" />
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/parent/lesson-plans/[planId]/view/page.tsx

@@ -0,0 +1,81 @@
+import type { JSX } from "react"
+import { Suspense } from "react"
+import { getTranslations } from "next-intl/server"
+import { getAuthContext } from "@/shared/lib/auth-guard"
+import { getLessonPlanById } from "@/modules/lesson-preparation/data-access"
+import { getTextbookById, getChaptersByTextbookId } from "@/modules/textbooks/data-access"
+import { LessonPlanReadonlyView } from "@/modules/lesson-preparation/components/lesson-plan-readonly-view"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export const dynamic = "force-dynamic"
+
+export default async function ParentLessonPlanViewPage({
+  params,
+}: {
+  params: Promise<{ planId: string }>
+}): Promise<JSX.Element> {
+  const { planId } = await params
+  const t = await getTranslations("lessonPreparation")
+  const ctx = await getAuthContext()
+
+  const plan = await getLessonPlanById(planId, ctx.userId)
+  if (!plan) {
+    return (
+      <div className="p-6">
+        <div className="rounded-md border border-outline-variant bg-surface-container-low p-4 text-on-surface-variant">
+          {t("readonly.notFound")}
+        </div>
+      </div>
+    )
+  }
+
+  if (plan.status !== "published") {
+    return (
+      <div className="p-6">
+        <div className="rounded-md border border-outline-variant bg-surface-container-low p-4 text-on-surface-variant">
+          {t("readonly.notPublished")}
+        </div>
+      </div>
+    )
+  }
+
+  let textbookTitle: string | undefined
+  let chapterTitle: string | undefined
+  if (plan.textbookId) {
+    const textbook = await getTextbookById(plan.textbookId)
+    textbookTitle = textbook?.title
+    if (plan.chapterId) {
+      const chapters = await getChaptersByTextbookId(plan.textbookId)
+      const findChapter = (list: typeof chapters): typeof chapters[number] | undefined => {
+        for (const ch of list) {
+          if (ch.id === plan.chapterId) return ch
+          if (ch.children && ch.children.length > 0) {
+            const found = findChapter(ch.children as typeof chapters)
+            if (found) return found
+          }
+        }
+        return undefined
+      }
+      const chapter = findChapter(chapters)
+      chapterTitle = chapter?.title
+    }
+  }
+
+  return (
+    <div className="h-[calc(100vh-4rem)]">
+      <Suspense
+        fallback={
+          <div className="flex h-full items-center justify-center">
+            <Skeleton className="h-[80%] w-[80%]" />
+          </div>
+        }
+      >
+        <LessonPlanReadonlyView
+          doc={plan.content}
+          textbookTitle={textbookTitle}
+          chapterTitle={chapterTitle}
+        />
+      </Suspense>
+    </div>
+  )
+}

src/app/(dashboard)/parent/lesson-plans/error.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { BookOpen } from "lucide-react"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function ParentLessonPlansError() {
+  const t = useTranslations("lessonPreparation")
+  return (
+    <div className="p-8">
+      <EmptyState
+        icon={BookOpen}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
+        className="border-none shadow-none"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/parent/lesson-plans/loading.tsx

@@ -0,0 +1,17 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function ParentLessonPlansLoading() {
+  return (
+    <div className="p-6 space-y-4">
+      <div className="space-y-2">
+        <Skeleton className="h-8 w-[180px]" />
+        <Skeleton className="h-4 w-[300px]" />
+      </div>
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+        {Array.from({ length: 6 }).map((_, i) => (
+          <Skeleton key={i} className="h-[180px] w-full" />
+        ))}
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/parent/lesson-plans/page.tsx

@@ -0,0 +1,44 @@
+import type { JSX } from "react"
+import { Suspense } from "react"
+import { getTranslations } from "next-intl/server"
+import { getAuthContext } from "@/shared/lib/auth-guard"
+import { getLessonPlans } from "@/modules/lesson-preparation/data-access"
+import { getSubjectOptions } from "@/modules/school/data-access"
+import { LessonPlanList } from "@/modules/lesson-preparation/components/lesson-plan-list"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export const dynamic = "force-dynamic"
+
+export default async function ParentLessonPlansPage(): Promise<JSX.Element> {
+  const t = await getTranslations("lessonPreparation")
+  const ctx = await getAuthContext()
+
+  const [items, subjects] = await Promise.all([
+    getLessonPlans({ status: "published" }, ctx.dataScope, ctx.userId),
+    getSubjectOptions(),
+  ])
+
+  return (
+    <div className="p-6 space-y-4">
+      <div>
+        <h1 className="text-2xl font-bold tracking-tight">{t("parent.title")}</h1>
+        <p className="text-muted-foreground">{t("parent.description")}</p>
+      </div>
+      <Suspense
+        fallback={
+          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+            {Array.from({ length: 6 }).map((_, i) => (
+              <Skeleton key={i} className="h-[180px] w-full" />
+            ))}
+          </div>
+        }
+      >
+        <LessonPlanList
+          initialItems={items}
+          subjects={subjects}
+          viewMode="parent"
+        />
+      </Suspense>
+    </div>
+  )
+}

src/app/(dashboard)/student/attendance/error.tsx

@@ -14,7 +14,7 @@ export default function StudentAttendanceError({ reset }: { error: Error & { dig
         title={t("errors.unexpected")}
         description={t("errors.unexpected")}
         action={{
-          label: t("actions.save"),
+          label: t("actions.retry"),
           onClick: () => reset(),
         }}
         className="border-none shadow-none h-auto"

src/app/(dashboard)/student/diagnostic/error.tsx

@@ -1,6 +1,7 @@
 "use client"
 
 import { AlertCircle } from "lucide-react"
+import { useTranslations } from "next-intl"
 
 import { EmptyState } from "@/shared/components/ui/empty-state"
 
@@ -10,14 +11,15 @@ export default function StudentDiagnosticError({
   error: Error & { digest?: string }
   reset: () => void
 }) {
+  const t = useTranslations("student")
   return (
     <div className="flex h-full flex-col items-center justify-center space-y-4 p-8">
       <EmptyState
         icon={AlertCircle}
-        title="学情诊断页面加载失败"
+        title={t("error.title")}
-        description="抱歉，页面加载时发生了意外错误。请稍后重试。"
+        description={t("error.description")}
         action={{
-          label: "重试",
+          label: t("error.retry"),
           onClick: () => reset(),
         }}
         className="border-none shadow-none h-auto"

src/app/(dashboard)/student/diagnostic/page.tsx

@@ -1,4 +1,6 @@
 import { Stethoscope } from "lucide-react"
+import { getTranslations } from "next-intl/server"
+
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
 import { getStudentMasterySummary } from "@/modules/diagnostic/data-access"
@@ -9,6 +11,7 @@ export const dynamic = "force-dynamic"
 
 export default async function StudentDiagnosticPage() {
   const ctx = await requirePermission(Permissions.DIAGNOSTIC_READ)
+  const t = await getTranslations("student")
 
   const [summary, reportsResult] = await Promise.all([
     getStudentMasterySummary(ctx.userId),
@@ -25,10 +28,10 @@ export default async function StudentDiagnosticPage() {
       <div>
         <h2 className="flex items-center gap-2 text-2xl font-bold tracking-tight">
           <Stethoscope className="h-6 w-6" />
-          My Diagnostic
+          {t("diagnostic.title")}
         </h2>
         <p className="text-muted-foreground">
-          Your knowledge point mastery analysis and diagnostic reports.
+          {t("diagnostic.description")}
         </p>
       </div>
       <StudentDiagnosticView summary={summary} reports={reports} />

src/app/(dashboard)/student/elective/error.tsx

@@ -14,7 +14,7 @@ export default function StudentElectiveError({ reset }: { error: Error & { diges
         title={t("errors.unexpected")}
         description={t("errors.unexpected")}
         action={{
-          label: t("actions.save"),
+          label: t("actions.retry"),
           onClick: () => reset(),
         }}
         className="border-none shadow-none h-auto"

src/app/(dashboard)/student/error-book/error.tsx

@@ -1,17 +1,19 @@
 "use client"
 
 import { BookX } from "lucide-react"
+import { useTranslations } from "next-intl"
 
 import { EmptyState } from "@/shared/components/ui/empty-state"
 
 export default function StudentErrorBookError() {
+  const t = useTranslations("student")
   return (
     <div className="p-8">
       <EmptyState
         icon={BookX}
-        title="加载错题本失败"
+        title={t("error.title")}
-        description="发生了一些错误，请刷新页面重试。如果问题持续，请联系管理员。"
+        description={t("error.description")}
-        action={{ label: "刷新页面", onClick: () => window.location.reload() }}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
         className="border-none shadow-none"
       />
     </div>

src/app/(dashboard)/student/error-book/page.tsx

@@ -1,5 +1,6 @@
 import type { JSX } from "react"
 import { Suspense } from "react"
+import { getTranslations } from "next-intl/server"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
@@ -92,6 +93,7 @@ export default async function StudentErrorBookPage({
   searchParams: Promise<SearchParams>
 }): Promise<JSX.Element> {
   const ctx = await requirePermission(Permissions.ERROR_BOOK_READ)
+  const t = await getTranslations("student")
   const stats = await getErrorBookStats(ctx.userId)
   const aiClientService = createAiClientService()
 
@@ -100,9 +102,9 @@ export default async function StudentErrorBookPage({
       <div className="flex h-full flex-col space-y-8 p-8">
         <div className="flex flex-col justify-between space-y-4 md:flex-row md:items-center md:space-y-0">
           <div>
-            <h1 className="text-2xl font-bold tracking-tight">错题本</h1>
+            <h1 className="text-2xl font-bold tracking-tight">{t("errorBook.title")}</h1>
             <p className="text-muted-foreground">
-              自动收录考试与作业中的错题，科学复习，攻克薄弱点。
+              {t("errorBook.description")}
             </p>
           </div>
           <div className="flex items-center gap-2">

src/app/(dashboard)/student/error.tsx

@@ -1,7 +1,9 @@
 "use client"
 
-import { EmptyState } from "@/shared/components/ui/empty-state"
 import { AlertTriangle } from "lucide-react"
+import { useTranslations } from "next-intl"
+
+import { EmptyState } from "@/shared/components/ui/empty-state"
 
 export default function StudentError({
   error,
@@ -10,12 +12,13 @@ export default function StudentError({
   error: Error & { digest?: string }
   reset: () => void
 }) {
+  const t = useTranslations("student")
   return (
     <EmptyState
       icon={AlertTriangle}
-      title="Something went wrong"
+      title={t("error.title")}
-      description={error.message || "An unexpected error occurred. Please try again."}
+      description={error.message || t("error.description")}
-      action={{ label: "Try again", onClick: reset }}
+      action={{ label: t("error.retry"), onClick: reset }}
     />
   )
 }

src/app/(dashboard)/student/grades/error.tsx

@@ -1,6 +1,7 @@
 "use client"
 
 import { AlertCircle } from "lucide-react"
+import { useTranslations } from "next-intl"
 
 import { EmptyState } from "@/shared/components/ui/empty-state"
 
@@ -10,14 +11,15 @@ export default function StudentGradesError({
   error: Error & { digest?: string }
   reset: () => void
 }) {
+  const t = useTranslations("student")
   return (
     <div className="flex h-full flex-col items-center justify-center space-y-4 p-8">
       <EmptyState
         icon={AlertCircle}
-        title="成绩查询页面加载失败"
+        title={t("error.title")}
-        description="抱歉，页面加载时发生了意外错误。请稍后重试。"
+        description={t("error.description")}
         action={{
-          label: "重试",
+          label: t("error.retry"),
           onClick: () => reset(),
         }}
         className="border-none shadow-none h-auto"

src/app/(dashboard)/student/grades/page.tsx

@@ -20,6 +20,7 @@ export default async function StudentGradesPage({
   searchParams: Promise<SearchParams>
 }) {
   const ctx = await requirePermission(Permissions.GRADE_RECORD_READ)
+  const t = await getTranslations("grades")
   const [sp, summary, rankingTrend, classAverageTrend, subjectOptions] = await Promise.all([
     searchParams,
     getStudentGradeSummary(ctx.userId, ctx.dataScope),
@@ -32,7 +33,6 @@ export default async function StudentGradesPage({
   ])
 
   if (!summary) {
-    const t = await getTranslations("grades")
     return (
       <div className="space-y-8">
         <div>
@@ -73,7 +73,7 @@ export default async function StudentGradesPage({
     <div className="space-y-8">
       <div>
         <h2 className="text-2xl font-bold tracking-tight">{summary.studentName}</h2>
-        <p className="text-muted-foreground">{summary.records.length} 条成绩记录</p>
+        <p className="text-muted-foreground">{t("summary.recordCount", { count: summary.records.length })}</p>
       </div>
       <GradeFilters subjects={subjectOptions.map((s) => ({ id: s.id, name: s.name }))} />
       {filteredSummary.records.length > 0 && (

src/app/(dashboard)/student/learning/assignments/[assignmentId]/page.tsx

@@ -1,4 +1,5 @@
 import { notFound } from "next/navigation"
+import { getTranslations } from "next-intl/server"
 
 import { getStudentHomeworkTakeData } from "@/modules/homework/data-access"
 import { getCurrentStudentUser } from "@/modules/users/data-access"
@@ -17,6 +18,8 @@ export default async function StudentAssignmentTakePage({
   const student = await getCurrentStudentUser()
   if (!student) return notFound()
 
+  const t = await getTranslations("student")
+
   const data = await getStudentHomeworkTakeData(assignmentId, student.id)
   if (!data) return notFound()
 
@@ -28,7 +31,7 @@ export default async function StudentAssignmentTakePage({
         <div className="flex flex-col gap-1">
           <h2 className="text-2xl font-bold tracking-tight">{data.assignment.title}</h2>
           <div className="text-sm text-muted-foreground">
-             <span>Due: {data.assignment.dueAt ? formatDate(data.assignment.dueAt) : "-"}</span>
+             <span>{t("assignment.due", { date: data.assignment.dueAt ? formatDate(data.assignment.dueAt) : "-" })}</span>
           </div>
         </div>
 
@@ -42,9 +45,9 @@ export default async function StudentAssignmentTakePage({
       <div className="flex flex-col gap-1">
         <h2 className="text-2xl font-bold tracking-tight">{data.assignment.title}</h2>
         <div className="text-sm text-muted-foreground">
-          <span>Due: {data.assignment.dueAt ? formatDate(data.assignment.dueAt) : "-"}</span>
+          <span>{t("assignment.due", { date: data.assignment.dueAt ? formatDate(data.assignment.dueAt) : "-" })}</span>
           <span className="mx-2" aria-hidden="true">•</span>
-          <span>Max Attempts: {data.assignment.maxAttempts}</span>
+          <span>{t("assignment.maxAttempts", { count: data.assignment.maxAttempts })}</span>
         </div>
       </div>
 

src/app/(dashboard)/student/learning/courses/[classId]/page.tsx

@@ -10,6 +10,7 @@ import {
   School,
   User,
 } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
 import { getStudentClassById, getStudentSchedule } from "@/modules/classes/data-access"
 import { getCurrentStudentUser } from "@/modules/users/data-access"
@@ -20,14 +21,14 @@ import { EmptyState } from "@/shared/components/ui/empty-state"
 
 export const dynamic = "force-dynamic"
 
-const WEEKDAYS: Record<number, string> = {
+const WEEKDAY_KEYS: Record<number, string> = {
-  1: "Mon",
+  1: "mon",
-  2: "Tue",
+  2: "tue",
-  3: "Wed",
+  3: "wed",
-  4: "Thu",
+  4: "thu",
-  5: "Fri",
+  5: "fri",
-  6: "Sat",
+  6: "sat",
-  7: "Sun",
+  7: "sun",
 }
 
 export default async function StudentClassDetailPage({
@@ -39,6 +40,8 @@ export default async function StudentClassDetailPage({
   const student = await getCurrentStudentUser()
   if (!student) return notFound()
 
+  const t = await getTranslations("student")
+
   const [classInfo, schedule] = await Promise.all([
     getStudentClassById(student.id, classId),
     getStudentSchedule(student.id),
@@ -58,14 +61,14 @@ export default async function StudentClassDetailPage({
           <Button asChild variant="ghost" size="sm" className="-ml-2 mb-1">
             <Link href="/student/learning/courses">
               <ChevronLeft className="mr-1 h-4 w-4" />
-              Back to Courses
+              {t("classDetail.backToCourses")}
             </Link>
           </Button>
           <h2 className="text-2xl font-bold tracking-tight">{classInfo.name}</h2>
           <div className="flex flex-wrap items-center gap-2 text-sm text-muted-foreground">
             <span className="flex items-center gap-1">
               <BookOpen className="h-4 w-4" />
-              Grade {classInfo.grade}
+              {t("classDetail.grade", { grade: classInfo.grade })}
             </span>
             {classInfo.homeroom && (
               <>
@@ -78,24 +81,24 @@ export default async function StudentClassDetailPage({
                 <span aria-hidden="true">•</span>
                 <span className="flex items-center gap-1">
                   <Building2 className="h-4 w-4" />
-                  Room {classInfo.room}
+                  {t("classDetail.room", { room: classInfo.room })}
                 </span>
               </>
             )}
-            <Badge variant="secondary">Active</Badge>
+            <Badge variant="secondary">{t("classDetail.active")}</Badge>
           </div>
         </div>
         <div className="flex gap-2">
           <Button asChild variant="outline" size="sm">
             <Link href={`/student/schedule?classId=${encodeURIComponent(classInfo.id)}`}>
               <CalendarDays className="mr-2 h-4 w-4" />
-              Full Schedule
+              {t("classDetail.fullSchedule")}
             </Link>
           </Button>
           <Button asChild size="sm">
             <Link href="/student/learning/assignments">
               <PenTool className="mr-2 h-4 w-4" />
-              Assignments
+              {t("classDetail.assignments")}
             </Link>
           </Button>
         </div>
@@ -107,7 +110,7 @@ export default async function StudentClassDetailPage({
           <CardHeader className="pb-3">
             <CardTitle className="flex items-center gap-2 text-sm font-medium">
               <User className="h-4 w-4" />
-              Teacher
+              {t("classDetail.teacher")}
             </CardTitle>
           </CardHeader>
           <CardContent className="space-y-3 text-sm">
@@ -117,7 +120,7 @@ export default async function StudentClassDetailPage({
                 <span className="font-medium">{classInfo.teacherName}</span>
               </div>
             ) : (
-              <p className="text-muted-foreground">No teacher assigned.</p>
+              <p className="text-muted-foreground">{t("classDetail.noTeacher")}</p>
             )}
             {classInfo.teacherEmail && (
               <div className="flex items-center gap-2">
@@ -138,7 +141,7 @@ export default async function StudentClassDetailPage({
           <CardHeader className="pb-3">
             <CardTitle className="flex items-center gap-2 text-sm font-medium">
               <School className="h-4 w-4" />
-              School
+              {t("classDetail.school")}
             </CardTitle>
           </CardHeader>
           <CardContent className="space-y-3 text-sm">
@@ -148,12 +151,12 @@ export default async function StudentClassDetailPage({
                 <span className="font-medium">{classInfo.schoolName}</span>
               </div>
             ) : (
-              <p className="text-muted-foreground">School info not available.</p>
+              <p className="text-muted-foreground">{t("classDetail.schoolNotAvailable")}</p>
             )}
             {classInfo.grade && (
               <div className="flex items-center gap-2">
                 <BookOpen className="h-4 w-4 text-muted-foreground" />
-                <span>Grade {classInfo.grade}</span>
+                <span>{t("classDetail.grade", { grade: classInfo.grade })}</span>
               </div>
             )}
           </CardContent>
@@ -164,22 +167,22 @@ export default async function StudentClassDetailPage({
           <CardHeader className="pb-3">
             <CardTitle className="flex items-center gap-2 text-sm font-medium">
               <Building2 className="h-4 w-4" />
-              Classroom
+              {t("classDetail.classroom")}
             </CardTitle>
           </CardHeader>
           <CardContent className="space-y-3 text-sm">
             {classInfo.room ? (
               <div className="flex items-center gap-2">
                 <Building2 className="h-4 w-4 text-muted-foreground" />
-                <span className="font-medium">Room {classInfo.room}</span>
+                <span className="font-medium">{t("classDetail.room", { room: classInfo.room })}</span>
               </div>
             ) : (
-              <p className="text-muted-foreground">Room not assigned.</p>
+              <p className="text-muted-foreground">{t("classDetail.roomNotAssigned")}</p>
             )}
             {classInfo.homeroom && (
               <div className="flex items-center gap-2">
                 <User className="h-4 w-4 text-muted-foreground" />
-                <span>Homeroom: {classInfo.homeroom}</span>
+                <span>{t("classDetail.homeroom", { homeroom: classInfo.homeroom })}</span>
               </div>
             )}
           </CardContent>
@@ -191,15 +194,15 @@ export default async function StudentClassDetailPage({
         <CardHeader>
           <CardTitle className="flex items-center gap-2">
             <CalendarDays className="h-5 w-5" />
-            Class Schedule
+            {t("classDetail.classSchedule")}
           </CardTitle>
         </CardHeader>
         <CardContent>
           {classSchedule.length === 0 ? (
             <EmptyState
               icon={CalendarDays}
-              title="No schedule"
+              title={t("classDetail.noSchedule")}
-              description="No timetable entries found for this class."
+              description={t("classDetail.noScheduleDesc")}
               className="border-none shadow-none"
             />
           ) : (
@@ -211,7 +214,7 @@ export default async function StudentClassDetailPage({
                 >
                   <div className="flex items-center gap-3">
                     <Badge variant="outline" className="w-12 justify-center">
-                      {WEEKDAYS[s.weekday]}
+                      {t(`weekdays.${WEEKDAY_KEYS[s.weekday]}`)}
                     </Badge>
                     <div>
                       <p className="font-medium">{s.course}</p>

src/app/(dashboard)/student/learning/courses/page.tsx

@@ -1,4 +1,5 @@
 import { UserX } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
 import { getStudentClasses } from "@/modules/classes/data-access"
 import { getCurrentStudentUser } from "@/modules/users/data-access"
@@ -14,17 +15,18 @@ export default async function StudentCoursesPage({
 }: {
   searchParams: Promise<SearchParams>
 }) {
+  const t = await getTranslations("student")
   const student = await getCurrentStudentUser()
   if (!student) {
     return (
       <div className="space-y-8">
         <div>
-          <h2 className="text-2xl font-bold tracking-tight">Courses</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("courses.title")}</h2>
-          <p className="text-muted-foreground">Your enrolled classes.</p>
+          <p className="text-muted-foreground">{t("courses.description")}</p>
         </div>
         <EmptyState
-          title="No user found"
+          title={t("courses.noUser")}
-          description="Create a student user to see courses."
+          description={t("courses.noUserDesc")}
           icon={UserX}
         />
       </div>
@@ -51,8 +53,8 @@ export default async function StudentCoursesPage({
   return (
     <div className="space-y-8">
       <div>
-        <h2 className="text-2xl font-bold tracking-tight">Courses</h2>
+        <h2 className="text-2xl font-bold tracking-tight">{t("courses.title")}</h2>
-        <p className="text-muted-foreground">Your enrolled classes.</p>
+        <p className="text-muted-foreground">{t("courses.description")}</p>
       </div>
       {classes.length > 0 && <CourseFilters />}
       <StudentCoursesView classes={filteredClasses} />

src/app/(dashboard)/student/learning/page.tsx

@@ -1,5 +1,6 @@
 import Link from "next/link"
-import { BookOpen, PenTool, Library, ArrowRight } from "lucide-react"
+import { BookOpen, PenTool, Library, ArrowRight, UserX } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
 import { getStudentClasses } from "@/modules/classes/data-access"
 import { getStudentHomeworkAssignments } from "@/modules/homework/data-access"
@@ -7,16 +8,16 @@ import { getCurrentStudentUser } from "@/modules/users/data-access"
 import { getTextbooks } from "@/modules/textbooks/data-access"
 import { Card, CardContent, CardHeader, CardTitle } from "@/shared/components/ui/card"
 import { EmptyState } from "@/shared/components/ui/empty-state"
-import { UserX } from "lucide-react"
 
 export const dynamic = "force-dynamic"
 
 export default async function StudentLearningPage() {
+  const t = await getTranslations("student")
   const student = await getCurrentStudentUser()
   if (!student) {
     return (
       <div className="space-y-8">
-        <EmptyState title="No user found" description="Create a student user to see learning." icon={UserX} />
+        <EmptyState title={t("learning.noUser")} description={t("learning.noUserDesc")} icon={UserX} />
       </div>
     )
   }
@@ -40,33 +41,33 @@ export default async function StudentLearningPage() {
 
   const cards = [
     {
-      title: "Courses",
+      title: t("learning.courses"),
-      description: "Your enrolled classes.",
+      description: t("learning.coursesDesc"),
       icon: BookOpen,
       href: "/student/learning/courses",
-      stat: `${classes.length} enrolled`,
+      stat: t("learning.enrolled", { count: classes.length }),
     },
     {
-      title: "Assignments",
+      title: t("learning.assignments"),
-      description: "Homework and practice.",
+      description: t("learning.assignmentsDesc"),
       icon: PenTool,
       href: "/student/learning/assignments",
-      stat: `${pendingCount} pending${dueSoonCount > 0 ? ` · ${dueSoonCount} due soon` : ""}`,
+      stat: t("learning.pending", { count: pendingCount }) + (dueSoonCount > 0 ? t("learning.dueSoon", { count: dueSoonCount }) : ""),
     },
     {
-      title: "Textbooks",
+      title: t("learning.textbooks"),
-      description: "Browse course materials.",
+      description: t("learning.textbooksDesc"),
       icon: Library,
       href: "/student/learning/textbooks",
-      stat: `${textbooks.length} available`,
+      stat: t("learning.available", { count: textbooks.length }),
     },
   ]
 
   return (
     <div className="space-y-8">
       <div>
-        <h2 className="text-2xl font-bold tracking-tight">My Learning</h2>
+        <h2 className="text-2xl font-bold tracking-tight">{t("learning.title")}</h2>
-        <p className="text-muted-foreground">Your learning hub: courses, assignments, and textbooks.</p>
+        <p className="text-muted-foreground">{t("learning.description")}</p>
       </div>
 
       <div className="grid gap-6 md:grid-cols-2 lg:grid-cols-3">

src/app/(dashboard)/student/lesson-plans/[planId]/view/error.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { BookOpen } from "lucide-react"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function StudentLessonPlanViewError() {
+  const t = useTranslations("lessonPreparation")
+  return (
+    <div className="p-8">
+      <EmptyState
+        icon={BookOpen}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
+        className="border-none shadow-none"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/student/lesson-plans/[planId]/view/loading.tsx

@@ -0,0 +1,11 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function StudentLessonPlanViewLoading() {
+  return (
+    <div className="h-[calc(100vh-4rem)]">
+      <div className="flex h-full items-center justify-center">
+        <Skeleton className="h-[80%] w-[80%]" />
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/student/lesson-plans/[planId]/view/page.tsx

@@ -0,0 +1,83 @@
+import type { JSX } from "react"
+import { Suspense } from "react"
+import { getTranslations } from "next-intl/server"
+import { getAuthContext } from "@/shared/lib/auth-guard"
+import { getLessonPlanById } from "@/modules/lesson-preparation/data-access"
+import { getTextbookById, getChaptersByTextbookId } from "@/modules/textbooks/data-access"
+import { LessonPlanReadonlyView } from "@/modules/lesson-preparation/components/lesson-plan-readonly-view"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export const dynamic = "force-dynamic"
+
+export default async function StudentLessonPlanViewPage({
+  params,
+}: {
+  params: Promise<{ planId: string }>
+}): Promise<JSX.Element> {
+  const { planId } = await params
+  const t = await getTranslations("lessonPreparation")
+  const ctx = await getAuthContext()
+
+  const plan = await getLessonPlanById(planId, ctx.userId)
+  if (!plan) {
+    return (
+      <div className="p-6">
+        <div className="rounded-md border border-outline-variant bg-surface-container-low p-4 text-on-surface-variant">
+          {t("readonly.notFound")}
+        </div>
+      </div>
+    )
+  }
+
+  // 学生只能查看已发布的课案
+  if (plan.status !== "published") {
+    return (
+      <div className="p-6">
+        <div className="rounded-md border border-outline-variant bg-surface-container-low p-4 text-on-surface-variant">
+          {t("readonly.notPublished")}
+        </div>
+      </div>
+    )
+  }
+
+  // 拉取教材/章节标题
+  let textbookTitle: string | undefined
+  let chapterTitle: string | undefined
+  if (plan.textbookId) {
+    const textbook = await getTextbookById(plan.textbookId)
+    textbookTitle = textbook?.title
+    if (plan.chapterId) {
+      const chapters = await getChaptersByTextbookId(plan.textbookId)
+      const findChapter = (list: typeof chapters): typeof chapters[number] | undefined => {
+        for (const ch of list) {
+          if (ch.id === plan.chapterId) return ch
+          if (ch.children && ch.children.length > 0) {
+            const found = findChapter(ch.children as typeof chapters)
+            if (found) return found
+          }
+        }
+        return undefined
+      }
+      const chapter = findChapter(chapters)
+      chapterTitle = chapter?.title
+    }
+  }
+
+  return (
+    <div className="h-[calc(100vh-4rem)]">
+      <Suspense
+        fallback={
+          <div className="flex h-full items-center justify-center">
+            <Skeleton className="h-[80%] w-[80%]" />
+          </div>
+        }
+      >
+        <LessonPlanReadonlyView
+          doc={plan.content}
+          textbookTitle={textbookTitle}
+          chapterTitle={chapterTitle}
+        />
+      </Suspense>
+    </div>
+  )
+}

src/app/(dashboard)/student/lesson-plans/error.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { BookOpen } from "lucide-react"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function StudentLessonPlansError() {
+  const t = useTranslations("lessonPreparation")
+  return (
+    <div className="p-8">
+      <EmptyState
+        icon={BookOpen}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
+        className="border-none shadow-none"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/student/lesson-plans/loading.tsx

@@ -0,0 +1,17 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function StudentLessonPlansLoading() {
+  return (
+    <div className="p-6 space-y-4">
+      <div className="space-y-2">
+        <Skeleton className="h-8 w-[180px]" />
+        <Skeleton className="h-4 w-[300px]" />
+      </div>
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+        {Array.from({ length: 6 }).map((_, i) => (
+          <Skeleton key={i} className="h-[180px] w-full" />
+        ))}
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/student/lesson-plans/page.tsx

@@ -0,0 +1,44 @@
+import type { JSX } from "react"
+import { Suspense } from "react"
+import { getTranslations } from "next-intl/server"
+import { getAuthContext } from "@/shared/lib/auth-guard"
+import { getLessonPlans } from "@/modules/lesson-preparation/data-access"
+import { getSubjectOptions } from "@/modules/school/data-access"
+import { LessonPlanList } from "@/modules/lesson-preparation/components/lesson-plan-list"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export const dynamic = "force-dynamic"
+
+export default async function StudentLessonPlansPage(): Promise<JSX.Element> {
+  const t = await getTranslations("lessonPreparation")
+  const ctx = await getAuthContext()
+
+  const [items, subjects] = await Promise.all([
+    getLessonPlans({ status: "published" }, ctx.dataScope, ctx.userId),
+    getSubjectOptions(),
+  ])
+
+  return (
+    <div className="p-6 space-y-4">
+      <div>
+        <h1 className="text-2xl font-bold tracking-tight">{t("student.title")}</h1>
+        <p className="text-muted-foreground">{t("student.description")}</p>
+      </div>
+      <Suspense
+        fallback={
+          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+            {Array.from({ length: 6 }).map((_, i) => (
+              <Skeleton key={i} className="h-[180px] w-full" />
+            ))}
+          </div>
+        }
+      >
+        <LessonPlanList
+          initialItems={items}
+          subjects={subjects}
+          viewMode="student"
+        />
+      </Suspense>
+    </div>
+  )
+}

src/app/(dashboard)/student/practice/[sessionId]/error.tsx

@@ -0,0 +1,32 @@
+"use client"
+
+import { useEffect } from "react"
+import Link from "next/link"
+import { useTranslations } from "next-intl"
+import { Button } from "@/shared/components/ui/button"
+
+export default function PracticeSessionError({
+  error,
+  reset,
+}: {
+  error: Error & { digest?: string }
+  reset: () => void
+}): React.ReactNode {
+  const t = useTranslations("student")
+  useEffect(() => {
+    console.error("Practice session error:", error)
+  }, [error])
+
+  return (
+    <div className="flex h-full flex-col items-center justify-center space-y-4 p-8">
+      <h2 className="text-xl font-semibold">{t("error.title")}</h2>
+      <p className="text-sm text-muted-foreground">{error.message}</p>
+      <div className="flex gap-2">
+        <Button onClick={reset}>{t("error.retry")}</Button>
+        <Button variant="outline" asChild>
+          <Link href="/student/practice">{t("classDetail.backToCourses")}</Link>
+        </Button>
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/student/practice/[sessionId]/loading.tsx

@@ -0,0 +1,14 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function PracticeSessionLoading(): React.ReactNode {
+  return (
+    <div className="flex h-full flex-col space-y-6 p-8">
+      <Skeleton className="h-20 w-full rounded-md" />
+      <Skeleton className="h-96 w-full rounded-md" />
+      <div className="flex justify-between">
+        <Skeleton className="h-10 w-24 rounded-md" />
+        <Skeleton className="h-10 w-24 rounded-md" />
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/student/practice/[sessionId]/page.tsx

@@ -0,0 +1,31 @@
+import type { JSX } from "react"
+import { notFound } from "next/navigation"
+
+import { requirePermission } from "@/shared/lib/auth-guard"
+import { Permissions } from "@/shared/types/permissions"
+
+import { getPracticeSessionById } from "@/modules/adaptive-practice/data-access"
+import { PracticeSessionView } from "@/modules/adaptive-practice/components/practice-session-view"
+
+export const dynamic = "force-dynamic"
+
+export default async function PracticeSessionPage({
+  params,
+}: {
+  params: Promise<{ sessionId: string }>
+}): Promise<JSX.Element> {
+  const ctx = await requirePermission(Permissions.ADAPTIVE_PRACTICE_READ)
+  const { sessionId } = await params
+
+  const session = await getPracticeSessionById(sessionId, ctx.userId)
+
+  if (!session) {
+    notFound()
+  }
+
+  return (
+    <div className="flex h-full flex-col space-y-6 p-8">
+      <PracticeSessionView session={session} />
+    </div>
+  )
+}

src/app/(dashboard)/student/practice/error.tsx

@@ -0,0 +1,26 @@
+"use client"
+
+import { useEffect } from "react"
+import { useTranslations } from "next-intl"
+import { Button } from "@/shared/components/ui/button"
+
+export default function PracticeError({
+  error,
+  reset,
+}: {
+  error: Error & { digest?: string }
+  reset: () => void
+}): React.ReactNode {
+  const t = useTranslations("student")
+  useEffect(() => {
+    console.error("Practice page error:", error)
+  }, [error])
+
+  return (
+    <div className="flex h-full flex-col items-center justify-center space-y-4 p-8">
+      <h2 className="text-xl font-semibold">{t("error.title")}</h2>
+      <p className="text-sm text-muted-foreground">{error.message}</p>
+      <Button onClick={reset}>{t("error.retry")}</Button>
+    </div>
+  )
+}

src/app/(dashboard)/student/practice/loading.tsx

@@ -0,0 +1,25 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function PracticeLoading(): React.ReactNode {
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="space-y-2">
+        <Skeleton className="h-8 w-48" />
+        <Skeleton className="h-4 w-72" />
+      </div>
+      <div className="grid gap-4 md:grid-cols-4">
+        {Array.from({ length: 4 }).map((_, i) => (
+          <Skeleton key={i} className="h-24 w-full rounded-md" />
+        ))}
+      </div>
+      <div className="grid gap-6 lg:grid-cols-3">
+        <Skeleton className="h-96 w-full rounded-md" />
+        <div className="space-y-3 lg:col-span-2">
+          {Array.from({ length: 5 }).map((_, i) => (
+            <Skeleton key={i} className="h-20 w-full rounded-md" />
+          ))}
+        </div>
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/student/practice/page.tsx

@@ -0,0 +1,45 @@
+import type { JSX } from "react"
+import { getTranslations } from "next-intl/server"
+
+import { requirePermission } from "@/shared/lib/auth-guard"
+import { Permissions } from "@/shared/types/permissions"
+
+import { getPracticeSessions, getPracticeStats } from "@/modules/adaptive-practice/data-access"
+import { PracticeStarter } from "@/modules/adaptive-practice/components/practice-starter"
+import { PracticeHistory } from "@/modules/adaptive-practice/components/practice-history"
+import { PracticeStatsCards } from "@/modules/adaptive-practice/components/practice-stats-cards"
+import { getKnowledgePointOptions } from "@/modules/questions/data-access"
+
+export const dynamic = "force-dynamic"
+
+export default async function StudentPracticePage(): Promise<JSX.Element> {
+  const ctx = await requirePermission(Permissions.ADAPTIVE_PRACTICE_READ)
+  const t = await getTranslations("practice")
+
+  const [stats, sessionsResult, knowledgePoints] = await Promise.all([
+    getPracticeStats(ctx.userId),
+    getPracticeSessions(ctx.userId, { pageSize: 20 }),
+    getKnowledgePointOptions(),
+  ])
+
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div>
+        <h1 className="text-2xl font-bold tracking-tight">{t("page.title")}</h1>
+        <p className="text-muted-foreground">{t("page.description")}</p>
+      </div>
+
+      <PracticeStatsCards stats={stats} />
+
+      <div className="grid gap-6 lg:grid-cols-3">
+        <div className="lg:col-span-1">
+          <PracticeStarter knowledgePoints={knowledgePoints} />
+        </div>
+        <div className="lg:col-span-2 space-y-4">
+          <h2 className="text-lg font-semibold">{t("history.title")}</h2>
+          <PracticeHistory sessions={sessionsResult.data} />
+        </div>
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/student/schedule/page.tsx

@@ -1,4 +1,5 @@
 import { UserX } from "lucide-react"
+import { getTranslations } from "next-intl/server"
 
 import { getStudentClasses, getStudentSchedule } from "@/modules/classes/data-access"
 import { getCurrentStudentUser } from "@/modules/users/data-access"
@@ -14,15 +15,20 @@ export default async function StudentSchedulePage({
 }: {
   searchParams: Promise<SearchParams>
 }) {
+  const t = await getTranslations("student")
   const student = await getCurrentStudentUser()
   if (!student) {
     return (
       <div className="space-y-8">
         <div>
-          <h2 className="text-2xl font-bold tracking-tight">Schedule</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("schedule.title")}</h2>
-          <p className="text-muted-foreground">Your weekly timetable.</p>
+          <p className="text-muted-foreground">{t("schedule.description")}</p>
         </div>
-        <EmptyState title="No user found" description="Create a student user to see schedule." icon={UserX} />
+        <EmptyState
+          title={t("schedule.noUser")}
+          description={t("schedule.noUserDesc")}
+          icon={UserX}
+        />
       </div>
     )
   }
@@ -41,8 +47,8 @@ export default async function StudentSchedulePage({
     <div className="space-y-8">
       <div className="flex flex-col justify-between gap-4 md:flex-row md:items-center">
         <div>
-          <h2 className="text-2xl font-bold tracking-tight">Schedule</h2>
+          <h2 className="text-2xl font-bold tracking-tight">{t("schedule.title")}</h2>
-          <p className="text-muted-foreground">Your weekly timetable.</p>
+          <p className="text-muted-foreground">{t("schedule.description")}</p>
         </div>
         <StudentScheduleFilters classes={classes} />
       </div>

src/app/(dashboard)/teacher/error-book/page.tsx

@@ -1,36 +1,52 @@
 import type { JSX } from "react"
+import { Suspense } from "react"
 import { BarChart3 } from "lucide-react"
 
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
 import { EmptyState } from "@/shared/components/ui/empty-state"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+import { getParam, type SearchParams } from "@/shared/lib/search-params"
 import { getStudentIdsByClassIds, getClassIdsByGradeIds } from "@/modules/classes/data-access"
 
 import {
   getStudentErrorBookSummaries,
   getTopWrongQuestionsByStudentIds,
   getKnowledgePointWeakness,
-  getSubjectErrorDistribution,
   getStudentNameMap,
+  getSubjectErrorOverviews,
+  getClassErrorOverviews,
+  getChapterWeakness,
 } from "@/modules/error-book/data-access"
-import { ClassErrorBookOverview, StudentErrorTable } from "@/modules/error-book/components/class-error-overview"
 import { TopWrongQuestions } from "@/modules/error-book/components/top-wrong-questions"
+import { SubjectTabs } from "@/modules/error-book/components/subject-tabs"
+import { ClassFilter } from "@/modules/error-book/components/class-filter"
+import { AnalyticsStatsCards } from "@/modules/error-book/components/analytics-stats-cards"
+import { ClassErrorBarChart } from "@/modules/error-book/components/class-error-bar-chart"
+import { KnowledgePointWeaknessChart } from "@/modules/error-book/components/knowledge-point-weakness-chart"
+import { ChapterWeaknessChart } from "@/modules/error-book/components/chapter-weakness-chart"
+import { GroupedStudentErrorTable } from "@/modules/error-book/components/grouped-student-error-table"
 
 export const dynamic = "force-dynamic"
 
-export default async function TeacherErrorBookPage(): Promise<JSX.Element> {
+async function TeacherErrorBookContent({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>
+}): Promise<JSX.Element> {
   const ctx = await requirePermission(Permissions.ERROR_BOOK_ANALYTICS_READ)
 
-  // 教师的 dataScope 为 class_taught，年级主任/教研组长为 grade_managed，管理员为 all
+  const params = await searchParams
   const classIds = ctx.dataScope.type === "class_taught" ? ctx.dataScope.classIds : []
   const gradeIds = ctx.dataScope.type === "grade_managed" ? ctx.dataScope.gradeIds : []
+  const teacherSubjectIds = ctx.dataScope.type === "class_taught" ? (ctx.dataScope.subjectIds ?? []) : []
 
   if (classIds.length === 0 && gradeIds.length === 0 && ctx.dataScope.type !== "all") {
     return (
       <div className="flex h-full flex-col space-y-8 p-8">
         <div>
           <h1 className="text-2xl font-bold tracking-tight">错题分析</h1>
-          <p className="text-muted-foreground">查看班级学生的错题统计与薄弱知识点。</p>
+          <p className="text-muted-foreground">按学科、班级查看学生的错题统计与薄弱知识点。</p>
         </div>
         <EmptyState
           icon={BarChart3}
@@ -42,21 +58,22 @@ export default async function TeacherErrorBookPage(): Promise<JSX.Element> {
     )
   }
 
-  // 年级主任/教研组长：先根据 gradeIds 查询班级，再查询学生
+  // 年级主任/教研组长：展开年级为班级
   let targetClassIds = classIds
   if (gradeIds.length > 0) {
     const gradeClassIds = await getClassIdsByGradeIds(gradeIds)
     targetClassIds = [...new Set([...classIds, ...gradeClassIds])]
   }
 
-  const studentIds = await getStudentIdsByClassIds(targetClassIds)
+  // 获取所有学生 ID（用于学科概览查询）
+  const allStudentIds = await getStudentIdsByClassIds(targetClassIds)
 
-  if (studentIds.length === 0) {
+  if (allStudentIds.length === 0) {
     return (
       <div className="flex h-full flex-col space-y-8 p-8">
         <div>
           <h1 className="text-2xl font-bold tracking-tight">错题分析</h1>
-          <p className="text-muted-foreground">查看班级学生的错题统计与薄弱知识点。</p>
+          <p className="text-muted-foreground">按学科、班级查看学生的错题统计与薄弱知识点。</p>
         </div>
         <EmptyState
           icon={BarChart3}
@@ -68,52 +85,168 @@ export default async function TeacherErrorBookPage(): Promise<JSX.Element> {
     )
   }
 
-  // 并行查询所有统计数据
+  // 解析 URL 参数：学科筛选 + 班级筛选
-  const [summaries, topWrongQuestions, weakKps, subjectDist, nameMap] = await Promise.all([
+  const subjectParam = getParam(params, "subject")
-    getStudentErrorBookSummaries(studentIds),
+  const classParam = getParam(params, "classId")
-    getTopWrongQuestionsByStudentIds(studentIds, 10),
+
-    getKnowledgePointWeakness(studentIds, 10),
+  // 学科概览（用于 Tab 显示，不受学科筛选影响）
-    getSubjectErrorDistribution(studentIds),
+  const subjectOverviews = await getSubjectErrorOverviews(allStudentIds)
-    getStudentNameMap(studentIds),
+
+  // 班级概览（用于班级筛选器显示，受学科筛选影响）
+  const classOverviews = await getClassErrorOverviews(targetClassIds, subjectParam)
+
+  // 确定实际查询的学科和班级
+  // 如果教师有所教学科，默认只显示所教学科；否则显示全部
+  const effectiveSubjectId =
+    subjectParam ?? (teacherSubjectIds.length === 1 ? teacherSubjectIds[0] : null)
+  const effectiveClassId = classParam ?? "all"
+
+  // 确定查询的学生范围（按班级筛选）
+  const queryClassIds = effectiveClassId === "all" ? targetClassIds : [effectiveClassId]
+  const queryStudentIds = await getStudentIdsByClassIds(queryClassIds)
+
+  // 并行查询所有统计数据（按学科+班级过滤）
+  const [summaries, topWrongQuestions, weakKps, chapterWeakness, nameMap] = await Promise.all([
+    getStudentErrorBookSummaries(queryStudentIds, effectiveSubjectId),
+    getTopWrongQuestionsByStudentIds(queryStudentIds, 10, effectiveSubjectId),
+    getKnowledgePointWeakness(queryStudentIds, 10, effectiveSubjectId),
+    getChapterWeakness(queryStudentIds, 10, effectiveSubjectId),
+    getStudentNameMap(queryStudentIds),
   ])
 
   const studentsWithErrorBook = summaries.filter((s) => s.totalCount > 0)
   const totalErrorItems = summaries.reduce((sum, s) => sum + s.totalCount, 0)
+  const totalDueReview = summaries.reduce((sum, s) => sum + s.dueReviewCount, 0)
   const averageMasteryRate = studentsWithErrorBook.length > 0
     ? studentsWithErrorBook.reduce((sum, s) => sum + s.masteredRate, 0) / studentsWithErrorBook.length
     : 0
+  const knowledgePointCount = weakKps.length
 
   // 按错题数降序排列
   const sortedSummaries = [...summaries].sort((a, b) => b.totalCount - a.totalCount)
 
   return (
-    <div className="flex h-full flex-col space-y-8 p-8">
+    <div className="flex h-full flex-col space-y-6 p-8">
       <div>
         <h1 className="text-2xl font-bold tracking-tight">错题分析</h1>
         <p className="text-muted-foreground">
-          查看班级学生的错题统计与薄弱知识点，辅助精准教学。
+          按学科、班级查看学生的错题统计与薄弱知识点，辅助精准教学。
         </p>
       </div>
 
-      <ClassErrorBookOverview
+      {/* 学科 Tab */}
-        totalStudents={studentIds.length}
+      {subjectOverviews.length > 0 ? (
+        <Suspense fallback={<Skeleton className="h-10 w-full" />}>
+          <SubjectTabs
+            subjects={subjectOverviews}
+            currentSubjectId={effectiveSubjectId}
+          />
+        </Suspense>
+      ) : null}
+
+      {/* 班级筛选器 */}
+      {classOverviews.length > 0 ? (
+        <Suspense fallback={<Skeleton className="h-10 w-full" />}>
+          <ClassFilter
+            classes={classOverviews}
+            currentClassId={effectiveClassId}
+          />
+        </Suspense>
+      ) : null}
+
+      {/* 统计卡片 */}
+      <AnalyticsStatsCards
+        totalStudents={queryStudentIds.length}
         studentsWithErrorBook={studentsWithErrorBook.length}
         totalErrorItems={totalErrorItems}
         averageMasteryRate={averageMasteryRate}
-        topWeakKnowledgePoints={weakKps}
+        dueReviewCount={totalDueReview}
-        subjectDistribution={subjectDist}
+        knowledgePointCount={knowledgePointCount}
       />
 
-      <div className="space-y-4">
+      {/* 班级错题对比图（仅在"全部班级"视图下显示） */}
+      {effectiveClassId === "all" && classOverviews.length > 1 ? (
+        <ClassErrorBarChart data={classOverviews} />
+      ) : null}
+
+      {/* 章节错题分布 + 知识点薄弱度（并排） */}
+      <div className="grid gap-4 lg:grid-cols-2">
+        {chapterWeakness.length > 0 ? (
+          <ChapterWeaknessChart data={chapterWeakness} />
+        ) : (
+          <EmptyState
+            icon={BarChart3}
+            title="暂无章节错题数据"
+            description="尚未关联知识点到章节，无法显示章节维度统计。"
+            className="h-[300px] bg-card"
+          />
+        )}
+        {weakKps.length > 0 ? (
+          <KnowledgePointWeaknessChart data={weakKps} />
+        ) : (
+          <EmptyState
+            icon={BarChart3}
+            title="暂无知识点数据"
+            description="错题尚未关联知识点，无法显示薄弱知识点统计。"
+            className="h-[300px] bg-card"
+          />
+        )}
+      </div>
+
+      {/* 学生错题详情（按班级分组） */}
+      <div className="space-y-3">
+        <div className="flex items-center justify-between">
           <h2 className="text-lg font-semibold">学生错题详情</h2>
-        <StudentErrorTable
+          <span className="text-sm text-muted-foreground">
+            共 {queryStudentIds.length} 名学生，{studentsWithErrorBook.length} 名有错题
+          </span>
+        </div>
+        {sortedSummaries.length > 0 ? (
+          <GroupedStudentErrorTable
             students={sortedSummaries}
             studentNames={nameMap}
             basePath="/teacher/error-book"
           />
+        ) : (
+          <EmptyState
+            icon={BarChart3}
+            title="暂无学生错题"
+            description="所选范围内没有学生错题数据。"
+            className="h-[200px] bg-card"
+          />
+        )}
       </div>
 
+      {/* 高频错题 Top 10 */}
+      {topWrongQuestions.length > 0 ? (
         <TopWrongQuestions questions={topWrongQuestions} />
+      ) : null}
     </div>
   )
 }
+
+export default async function TeacherErrorBookPage({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>
+}): Promise<JSX.Element> {
+  return (
+    <Suspense
+      fallback={
+        <div className="flex h-full flex-col space-y-8 p-8">
+          <Skeleton className="h-10 w-48" />
+          <Skeleton className="h-10 w-full" />
+          <Skeleton className="h-10 w-full" />
+          <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-5">
+            {Array.from({ length: 5 }).map((_, i) => (
+              <Skeleton key={i} className="h-[100px]" />
+            ))}
+          </div>
+          <Skeleton className="h-[300px] w-full" />
+        </div>
+      }
+    >
+      <TeacherErrorBookContent searchParams={searchParams} />
+    </Suspense>
+  )
+}

src/app/(dashboard)/teacher/grades/entry/page.tsx

@@ -1,8 +1,8 @@
 import type { JSX } from "react"
-import { getTeacherClasses } from "@/modules/classes/data-access"
+import { getTeacherClasses, getClassGradeIdsByClassIds } from "@/modules/classes/data-access"
 import { getClassStudentsForEntry } from "@/modules/grades/data-access"
-import { getSubjectOptions } from "@/modules/school/data-access"
+import { getExamsForGradeEntry, getExamForGradeEntry } from "@/modules/exams/data-access"
-import { BatchGradeEntry } from "@/modules/grades/components/batch-grade-entry"
+import { BatchGradeEntryByExam } from "@/modules/grades/components/batch-grade-entry"
 import { requirePermission } from "@/shared/lib/auth-guard"
 import { Permissions } from "@/shared/types/permissions"
 import { getParam, type SearchParams } from "@/shared/lib/search-params"
@@ -19,63 +19,73 @@ export default async function BatchEntryPage({
   const ctx = await requirePermission(Permissions.GRADE_RECORD_MANAGE)
   const sp = await searchParams
 
-  const defaultClassId = getParam(sp, "classId")
+  const examId = getParam(sp, "examId")
-  const defaultSubjectId = getParam(sp, "subjectId")
+  const classId = getParam(sp, "classId")
 
-  // P3 修复：添加 scope 校验，对 class_taught scope 限制可录入的班级
+  // 获取试卷列表 + 班级列表
-  const [classes, allSubjects, students] = await Promise.all([
+  const [exams, teacherClasses] = await Promise.all([
+    getExamsForGradeEntry(ctx.dataScope),
     getTeacherClasses(),
-    getSubjectOptions(),
-    defaultClassId
-      ? getClassStudentsForEntry(defaultClassId, ctx.dataScope)
-      : Promise.resolve([] as Awaited<ReturnType<typeof getClassStudentsForEntry>>),
   ])
 
-  // 对 class_taught scope，过滤掉不在 scope 中的班级
+  // scope 过滤班级
   const allowedClassIds =
     ctx.dataScope.type === "class_taught" ? ctx.dataScope.classIds : null
   const scopedClasses = allowedClassIds
-    ? classes.filter((c) => allowedClassIds.includes(c.id))
+    ? teacherClasses.filter((c) => allowedClassIds.includes(c.id))
-    : classes
+    : teacherClasses
 
   const classOptions = scopedClasses.map((c) => ({ id: c.id, name: c.name }))
-  const subjectOptions = allSubjects.map((s) => ({ id: s.id, name: s.name }))
 
-  // 如果指定了 classId 但 scope 不允许，显示提示
+  // 获取 classId → gradeId 映射（用于客户端按试卷年级过滤班级）
-  if (defaultClassId && students.length === 0 && scopedClasses.length > 0) {
+  const classGradeMap: Record<string, string> = {}
-    const classExists = scopedClasses.some((c) => c.id === defaultClassId)
+  if (scopedClasses.length > 0) {
-    if (!classExists) {
+    const gradeMap = await getClassGradeIdsByClassIds(
+      scopedClasses.map((c) => c.id)
+    )
+    for (const [cid, gid] of gradeMap.entries()) {
+      classGradeMap[cid] = gid
+    }
+  }
+
+  // 如果有 examId，获取试卷详情（含题目列表）
+  const exam = examId
+    ? await getExamForGradeEntry(examId, ctx.dataScope)
+    : null
+
+  // 如果有 examId + classId，获取学生列表
+  const students =
+    examId && classId
+      ? await getClassStudentsForEntry(classId, ctx.dataScope)
+      : []
+
   return (
     <div className="h-full flex-1 flex-col space-y-8 p-8 md:flex">
       <div>
-            <h1 className="text-2xl font-bold tracking-tight">Batch Grade Entry</h1>
+        <h1 className="text-2xl font-bold tracking-tight">批量录入成绩</h1>
-            <p className="text-muted-foreground">Enter grades for all students in a class at once.</p>
+        <p className="text-muted-foreground">
+          从试卷库选择试卷，按每题得分录入，像填 Excel 表格一样。
+        </p>
       </div>
+
+      {exams.length === 0 ? (
         <EmptyState
-            title="无权访问该班级"
+          title="没有可用的试卷"
-            description="您没有权限为该班级录入成绩。"
+          description="请先在试卷管理中创建试卷并添加题目，才能录入成绩。"
           icon={ClipboardList}
           className="border-none shadow-none"
         />
-        </div>
+      ) : (
-      )
+        <BatchGradeEntryByExam
-    }
+          exams={exams}
-  }
-
-  return (
-    <div className="h-full flex-1 flex-col space-y-8 p-8 md:flex">
-      <div>
-        <h1 className="text-2xl font-bold tracking-tight">Batch Grade Entry</h1>
-        <p className="text-muted-foreground">Enter grades for all students in a class at once.</p>
-      </div>
-
-      <BatchGradeEntry
           classes={classOptions}
-        subjects={subjectOptions}
+          classGradeMap={classGradeMap}
+          exam={exam}
           students={students}
-        defaultClassId={defaultClassId}
+          defaultExamId={examId}
-        defaultSubjectId={defaultSubjectId}
+          defaultClassId={classId}
         />
+      )}
     </div>
   )
 }

src/app/(dashboard)/teacher/lesson-plans/[planId]/edit/error.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { BookOpen } from "lucide-react"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function EditLessonPlanError() {
+  const t = useTranslations("lessonPreparation")
+  return (
+    <div className="p-8">
+      <EmptyState
+        icon={BookOpen}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
+        className="border-none shadow-none"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/lesson-plans/[planId]/edit/loading.tsx

@@ -0,0 +1,11 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function TeacherEditLessonPlanLoading() {
+  return (
+    <div className="h-[calc(100vh-4rem)]">
+      <div className="flex h-full items-center justify-center">
+        <Skeleton className="h-[80%] w-[80%]" />
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/teacher/lesson-plans/[planId]/edit/page.tsx

@@ -3,6 +3,7 @@ import { Suspense } from "react"
 import { notFound } from "next/navigation"
 import { getLessonPlanById } from "@/modules/lesson-preparation/data-access"
 import { LessonPlanEditor } from "@/modules/lesson-preparation/components/lesson-plan-editor"
+import { LessonPlanProviderSetup } from "@/modules/lesson-preparation/providers/lesson-plan-provider-setup"
 import { getTeacherClasses } from "@/modules/classes/data-access"
 import { getTextbookById, getChaptersByTextbookId } from "@/modules/textbooks/data-access"
 import { getAuthContext } from "@/shared/lib/auth-guard"
@@ -82,6 +83,7 @@ export default async function EditLessonPlanPage({
 
   return (
     <AiClientProvider service={aiClientService}>
+      <LessonPlanProviderSetup>
         <div className="h-[calc(100vh-4rem)]">
           <Suspense
             fallback={
@@ -94,6 +96,7 @@ export default async function EditLessonPlanPage({
               planId={plan.id}
               initialTitle={plan.title}
               initialDoc={plan.content}
+              initialStatus={plan.status}
               textbookId={plan.textbookId ?? undefined}
               chapterId={plan.chapterId ?? undefined}
               textbookTitle={textbookTitle}
@@ -102,6 +105,7 @@ export default async function EditLessonPlanPage({
             />
           </Suspense>
         </div>
+      </LessonPlanProviderSetup>
     </AiClientProvider>
   )
 }

src/app/(dashboard)/teacher/lesson-plans/error.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { BookOpen } from "lucide-react"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function LessonPlansError() {
+  const t = useTranslations("lessonPreparation")
+  return (
+    <div className="p-8">
+      <EmptyState
+        icon={BookOpen}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
+        className="border-none shadow-none"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/lesson-plans/loading.tsx

@@ -0,0 +1,25 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function TeacherLessonPlansLoading() {
+  return (
+    <div className="p-6 space-y-4">
+      <div className="flex justify-between items-center">
+        <div className="space-y-2">
+          <Skeleton className="h-8 w-[180px]" />
+          <Skeleton className="h-4 w-[300px]" />
+        </div>
+        <Skeleton className="h-9 w-[120px]" />
+      </div>
+      <div className="flex gap-2 flex-wrap items-center">
+        <Skeleton className="h-9 w-[240px]" />
+        <Skeleton className="h-9 w-[160px]" />
+        <Skeleton className="h-9 w-[160px]" />
+      </div>
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+        {Array.from({ length: 6 }).map((_, i) => (
+          <Skeleton key={i} className="h-[180px] w-full" />
+        ))}
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/teacher/lesson-plans/new/error.tsx

@@ -0,0 +1,20 @@
+"use client"
+
+import { useTranslations } from "next-intl"
+import { BookOpen } from "lucide-react"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function NewLessonPlanError() {
+  const t = useTranslations("lessonPreparation")
+  return (
+    <div className="p-8">
+      <EmptyState
+        icon={BookOpen}
+        title={t("error.loadFailed")}
+        description={t("error.loadFailedDesc")}
+        action={{ label: t("error.retry"), onClick: () => window.location.reload() }}
+        className="border-none shadow-none"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/lesson-plans/new/loading.tsx

@@ -0,0 +1,20 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function TeacherNewLessonPlanLoading() {
+  return (
+    <div className="p-6">
+      <div className="mb-6 flex items-center gap-4">
+        <Skeleton className="h-9 w-[120px]" />
+        <Skeleton className="h-8 w-[180px]" />
+      </div>
+      <div className="max-w-3xl mx-auto p-6 space-y-6">
+        <Skeleton className="h-10 w-full" />
+        <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
+          {Array.from({ length: 4 }).map((_, i) => (
+            <Skeleton key={i} className="h-[100px] w-full" />
+          ))}
+        </div>
+      </div>
+    </div>
+  )
+}

src/app/(dashboard)/teacher/lesson-plans/new/page.tsx

@@ -6,6 +6,7 @@ import { getTranslations } from "next-intl/server"
 import { Button } from "@/shared/components/ui/button"
 import { Skeleton } from "@/shared/components/ui/skeleton"
 import { TemplatePicker } from "@/modules/lesson-preparation/components/template-picker"
+import { LessonPlanProviderSetup } from "@/modules/lesson-preparation/providers/lesson-plan-provider-setup"
 
 export const dynamic = "force-dynamic"
 
@@ -22,6 +23,7 @@ export default async function NewLessonPlanPage(): Promise<JSX.Element> {
         </Button>
         <h1 className="text-2xl font-bold tracking-tight">{t("title.new")}</h1>
       </div>
+      <LessonPlanProviderSetup>
         <Suspense
           fallback={
             <div className="max-w-3xl mx-auto p-6 space-y-6">
@@ -36,6 +38,7 @@ export default async function NewLessonPlanPage(): Promise<JSX.Element> {
         >
           <TemplatePicker />
         </Suspense>
+      </LessonPlanProviderSetup>
     </div>
   )
 }

src/app/(dashboard)/teacher/lesson-plans/page.tsx

@@ -9,6 +9,7 @@ import { getAuthContext } from "@/shared/lib/auth-guard"
 import { getLessonPlans } from "@/modules/lesson-preparation/data-access"
 import { getSubjectOptions } from "@/modules/school/data-access"
 import { LessonPlanList } from "@/modules/lesson-preparation/components/lesson-plan-list"
+import { LessonPlanProviderSetup } from "@/modules/lesson-preparation/providers/lesson-plan-provider-setup"
 
 export const dynamic = "force-dynamic"
 
@@ -37,6 +38,7 @@ export default async function LessonPlansPage(): Promise<JSX.Element> {
           </Link>
         </Button>
       </div>
+      <LessonPlanProviderSetup>
         <Suspense
           fallback={
             <div className="space-y-4">
@@ -55,6 +57,7 @@ export default async function LessonPlansPage(): Promise<JSX.Element> {
         >
           <LessonPlanList initialItems={items} subjects={subjects} />
         </Suspense>
+      </LessonPlanProviderSetup>
     </div>
   )
 }

src/app/(dashboard)/teacher/practice/error.tsx

@@ -0,0 +1,27 @@
+"use client"
+
+import { useEffect } from "react"
+import { BarChart3 } from "lucide-react"
+
+import { EmptyState } from "@/shared/components/ui/empty-state"
+
+export default function Error() {
+  useEffect(() => {
+    console.error("Practice analytics page error")
+  }, [])
+
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div>
+        <h1 className="text-2xl font-bold tracking-tight">专项练习分析</h1>
+        <p className="text-muted-foreground">加载练习分析数据时发生错误</p>
+      </div>
+      <EmptyState
+        icon={BarChart3}
+        title="加载失败"
+        description="请刷新页面重试，或联系管理员检查数据访问权限。"
+        className="h-[360px] bg-card"
+      />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/practice/loading.tsx

@@ -0,0 +1,17 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function Loading() {
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <Skeleton className="h-10 w-48" />
+      <Skeleton className="h-10 w-full" />
+      <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-5">
+        {Array.from({ length: 5 }).map((_, i) => (
+          <Skeleton key={i} className="h-[100px]" />
+        ))}
+      </div>
+      <Skeleton className="h-[300px] w-full" />
+      <Skeleton className="h-[280px] w-full" />
+    </div>
+  )
+}

src/app/(dashboard)/teacher/practice/page.tsx

@@ -0,0 +1,273 @@
+import type { Metadata } from "next"
+import type { JSX } from "react"
+import { Suspense } from "react"
+import { BarChart3 } from "lucide-react"
+import { getTranslations } from "next-intl/server"
+
+import { requirePermission } from "@/shared/lib/auth-guard"
+import { Permissions } from "@/shared/types/permissions"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+import { getParam, type SearchParams } from "@/shared/lib/search-params"
+import {
+  getClassIdsByGradeIds,
+  getStudentIdsByClassIds,
+} from "@/modules/classes/data-access"
+
+import {
+  getTeacherClassPracticeOverviews,
+  getClassStudentPracticeSummaries,
+  getPracticeTypeBreakdown,
+  getClassKnowledgePointWeakness,
+  getStudentsWithoutPractice,
+  getStudentNameMap,
+} from "@/modules/adaptive-practice/data-access-analytics"
+import { PracticeOverviewStatsCards } from "@/modules/adaptive-practice/components/practice-overview-stats-cards"
+import { ClassPracticeComparisonTable } from "@/modules/adaptive-practice/components/class-practice-comparison-table"
+import { PracticeTypeBreakdownChart } from "@/modules/adaptive-practice/components/practice-type-breakdown-chart"
+import { ClassKnowledgePointWeaknessChart } from "@/modules/adaptive-practice/components/class-knowledge-point-weakness-chart"
+import { StudentPracticeRankingTable } from "@/modules/adaptive-practice/components/student-practice-ranking-table"
+import { InactiveStudentsAlert } from "@/modules/adaptive-practice/components/inactive-students-alert"
+import { ClassFilter } from "@/modules/error-book/components/class-filter"
+import type { ClassErrorOverview } from "@/modules/error-book/types"
+
+export const dynamic = "force-dynamic"
+
+export async function generateMetadata(): Promise<Metadata> {
+  const t = await getTranslations("practice")
+  return {
+    title: `${t("teacher.title")} - Next_Edu`,
+    description: t("teacher.description"),
+  }
+}
+
+async function TeacherPracticeContent({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>
+}): Promise<JSX.Element> {
+  const ctx = await requirePermission(Permissions.ADAPTIVE_PRACTICE_READ)
+  const t = await getTranslations("practice")
+
+  const params = await searchParams
+  const classIds = ctx.dataScope.type === "class_taught" ? ctx.dataScope.classIds : []
+  const gradeIds = ctx.dataScope.type === "grade_managed" ? ctx.dataScope.gradeIds : []
+
+  if (classIds.length === 0 && gradeIds.length === 0 && ctx.dataScope.type !== "all") {
+    return (
+      <div className="flex h-full flex-col space-y-8 p-8">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">{t("teacher.title")}</h1>
+          <p className="text-muted-foreground">{t("teacher.description")}</p>
+        </div>
+        <EmptyState
+          icon={BarChart3}
+          title={t("teacher.noClass")}
+          description={t("teacher.noClassDescription")}
+          className="h-[360px] bg-card"
+        />
+      </div>
+    )
+  }
+
+  // 年级主任/教研组长：展开年级为班级
+  let targetClassIds = classIds
+  if (gradeIds.length > 0) {
+    const gradeClassIds = await getClassIdsByGradeIds(gradeIds)
+    targetClassIds = [...new Set([...classIds, ...gradeClassIds])]
+  }
+
+  // 获取所有学生 ID
+  const allStudentIds = await getStudentIdsByClassIds(targetClassIds)
+
+  if (allStudentIds.length === 0) {
+    return (
+      <div className="flex h-full flex-col space-y-8 p-8">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">{t("teacher.title")}</h1>
+          <p className="text-muted-foreground">{t("teacher.description")}</p>
+        </div>
+        <EmptyState
+          icon={BarChart3}
+          title={t("teacher.noStudent")}
+          description={t("teacher.noStudentDescription")}
+          className="h-[360px] bg-card"
+        />
+      </div>
+    )
+  }
+
+  // 解析 URL 参数：班级筛选
+  const classParam = getParam(params, "classId")
+  const effectiveClassId = classParam ?? "all"
+
+  // 班级概览（用于班级筛选器显示）
+  const classOverviews = await getTeacherClassPracticeOverviews(targetClassIds)
+
+  // 构造 ClassFilter 所需的数据格式
+  const classFilterData: ClassErrorOverview[] = classOverviews.map((c) => ({
+    classId: c.classId,
+    className: c.className,
+    studentCount: c.totalStudents,
+    totalErrorItems: c.totalSessions,
+    dueReviewCount: 0,
+    averageErrorPerStudent: c.totalStudents > 0 ? c.totalSessions / c.totalStudents : 0,
+    averageMasteryRate: c.averageAccuracy,
+  }))
+
+  // 确定查询的班级范围
+  const queryClassIds = effectiveClassId === "all" ? targetClassIds : [effectiveClassId]
+  const queryStudentIds = await getStudentIdsByClassIds(queryClassIds)
+
+  // 并行查询所有统计数据
+  const [typeBreakdown, studentSummaries, nameMap, inactiveIds] = await Promise.all([
+    getPracticeTypeBreakdown(queryStudentIds),
+    // 按班级查询学生摘要（如果是单班级视图，直接查询；如果是全部视图，按班级逐个查询后合并）
+    effectiveClassId === "all"
+      ? getClassStudentPracticeSummariesForClasses(queryClassIds)
+      : getClassStudentPracticeSummaries(effectiveClassId),
+    getStudentNameMap(queryStudentIds),
+    effectiveClassId === "all"
+      ? getInactiveStudentsForClasses(queryClassIds)
+      : getStudentsWithoutPractice(effectiveClassId),
+  ])
+
+  // 聚合统计
+  const totalSessions = classOverviews.reduce((sum, c) => sum + c.totalSessions, 0)
+  const totalAnswered = classOverviews.reduce((sum, c) => sum + c.totalQuestionsAnswered, 0)
+  const totalCorrect = classOverviews.reduce((sum, c) => sum + c.totalCorrect, 0)
+  const totalActiveStudents = classOverviews.reduce((sum, c) => sum + c.activeStudents, 0)
+  const totalStudents = classOverviews.reduce((sum, c) => sum + c.totalStudents, 0)
+  const averageAccuracy = totalAnswered > 0 ? totalCorrect / totalAnswered : 0
+  const participationRate = totalStudents > 0 ? totalActiveStudents / totalStudents : 0
+
+  // 单班级视图：查询知识点薄弱度
+  const weakKps = effectiveClassId !== "all"
+    ? await getClassKnowledgePointWeakness(effectiveClassId, 10)
+    : []
+
+  const hasData = totalSessions > 0
+
+  if (!hasData) {
+    return (
+      <div className="flex h-full flex-col space-y-8 p-8">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">{t("teacher.title")}</h1>
+          <p className="text-muted-foreground">{t("teacher.description")}</p>
+        </div>
+        <EmptyState
+          icon={BarChart3}
+          title={t("teacher.noData")}
+          description={t("teacher.noDataDescription")}
+          className="h-[360px] bg-card"
+        />
+      </div>
+    )
+  }
+
+  return (
+    <div className="flex h-full flex-col space-y-6 p-8">
+      <div>
+        <h1 className="text-2xl font-bold tracking-tight">{t("teacher.title")}</h1>
+        <p className="text-muted-foreground">{t("teacher.description")}</p>
+      </div>
+
+      {/* 班级筛选器 */}
+      {classFilterData.length > 0 ? (
+        <Suspense fallback={<Skeleton className="h-10 w-full" />}>
+          <ClassFilter
+            classes={classFilterData}
+            currentClassId={effectiveClassId}
+          />
+        </Suspense>
+      ) : null}
+
+      {/* 统计卡片 */}
+      <PracticeOverviewStatsCards
+        totalClasses={classOverviews.length}
+        totalSessions={totalSessions}
+        totalAnswered={totalAnswered}
+        averageAccuracy={averageAccuracy}
+        participationRate={participationRate}
+      />
+
+      {/* 班级对比表（仅在"全部班级"视图下显示） */}
+      {effectiveClassId === "all" && classOverviews.length > 1 ? (
+        <ClassPracticeComparisonTable data={classOverviews} />
+      ) : null}
+
+      {/* 练习类型分布图 */}
+      {typeBreakdown.length > 0 ? (
+        <PracticeTypeBreakdownChart data={typeBreakdown} />
+      ) : null}
+
+      {/* 知识点薄弱度（仅在单班级视图下显示） */}
+      {effectiveClassId !== "all" ? (
+        <ClassKnowledgePointWeaknessChart data={weakKps} />
+      ) : null}
+
+      {/* 学生练习排名 */}
+      {studentSummaries.length > 0 ? (
+        <StudentPracticeRankingTable data={studentSummaries} studentNames={nameMap} />
+      ) : null}
+
+      {/* 未参与练习学生提醒 */}
+      <InactiveStudentsAlert
+        inactiveStudentIds={inactiveIds}
+        studentNames={nameMap}
+      />
+    </div>
+  )
+}
+
+/**
+ * 获取多个班级的学生练习摘要（合并结果）。
+ *
+ * 用于"全部班级"视图，按班级逐个查询后合并。
+ */
+async function getClassStudentPracticeSummariesForClasses(
+  classIds: string[],
+) {
+  const results = await Promise.all(
+    classIds.map((classId) => getClassStudentPracticeSummaries(classId)),
+  )
+  // 合并并按练习数降序排列
+  return results.flat().sort((a, b) => b.totalSessions - a.totalSessions)
+}
+
+/**
+ * 获取多个班级中未参与练习的学生 ID 列表（合并结果）。
+ */
+async function getInactiveStudentsForClasses(
+  classIds: string[],
+): Promise<string[]> {
+  const results = await Promise.all(
+    classIds.map((classId) => getStudentsWithoutPractice(classId)),
+  )
+  return results.flat()
+}
+
+export default async function TeacherPracticePage({
+  searchParams,
+}: {
+  searchParams: Promise<SearchParams>
+}): Promise<JSX.Element> {
+  return (
+    <Suspense
+      fallback={
+        <div className="flex h-full flex-col space-y-8 p-8">
+          <Skeleton className="h-10 w-48" />
+          <Skeleton className="h-10 w-full" />
+          <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-5">
+            {Array.from({ length: 5 }).map((_, i) => (
+              <Skeleton key={i} className="h-[100px]" />
+            ))}
+          </div>
+          <Skeleton className="h-[300px] w-full" />
+        </div>
+      }
+    >
+      <TeacherPracticeContent searchParams={searchParams} />
+    </Suspense>
+  )
+}

src/app/globals.css

@@ -149,6 +149,21 @@
   --color-sidebar-border: hsl(var(--sidebar-border));
   --color-sidebar-ring: hsl(var(--sidebar-ring));
 
+  /* Material Design 3 Surface 令牌映射（备课模块使用）*/
+  --color-surface: hsl(var(--card));
+  --color-on-surface: hsl(var(--foreground));
+  --color-on-surface-variant: hsl(var(--muted-foreground));
+  --color-surface-container-lowest: hsl(var(--background));
+  --color-surface-container-low: hsl(var(--muted));
+  --color-surface-container: hsl(var(--secondary));
+  --color-surface-container-high: hsl(var(--accent));
+  --color-surface-container-highest: hsl(var(--muted-foreground));
+  --color-outline-variant: hsl(var(--border));
+  --color-outline: hsl(var(--border));
+  --color-error: hsl(var(--destructive));
+  --color-tertiary: hsl(var(--chart-3));
+  --color-tertiary-container: hsl(var(--chart-3));
+
   --radius-lg: var(--radius);
   --radius-md: calc(var(--radius) - 2px);
   --radius-sm: calc(var(--radius) - 4px);
@@ -241,3 +256,9 @@
 .anchor-edge.active {
   opacity: 1;
 }
+
+/* 正文节点光标指示器闪烁 */
+@keyframes cursor-blink {
+  0%, 50% { opacity: 1; }
+  51%, 100% { opacity: 0; }
+}