feat(exams,homework,parent): V3 审计深度修复 — 批量批改/考试分析/提交反馈/家长视图/移动端优化

V3-5: exam-actions.tsx 集成 useExamHomeworkFeatures hook，按角色控制菜单项可见性
V3-7: 批量批改 — 新增 batchAutoGradeSubmissions data-access + Server Action + HomeworkBatchGradingView 组件
V3-8: 考试分析仪表盘 — 新增 getExamAnalytics stats-service + ExamAnalyticsDashboard 组件 + /teacher/exams/[id]/analytics 路由
V3-9: 提交后即时反馈页 — 新增 HomeworkSubmissionResult 组件 + /student/learning/assignments/[id]/result 路由
V3-11: 家长考试详情 — 新增 ChildExamDetail 组件 + getStudentExamResults data-access + child-detail-panel exams Tab
V3-12: 移动端触控优化 — 题目导航与考试操作按钮 44px 最小触控目标

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

同步更新 004/005 架构文档

src/app/(dashboard)/teacher/homework/assignments/[id]/submissions/page.tsx

@@ -2,18 +2,9 @@ import type { JSX } from "react"
 import Link from "next/link"
 import { notFound } from "next/navigation"
 import { getTranslations } from "next-intl/server"
-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 { formatDate } from "@/shared/lib/utils"
 import { getHomeworkAssignmentById, getHomeworkSubmissions } from "@/modules/homework/data-access"
+import { HomeworkBatchGradingView } from "@/modules/homework/components/homework-batch-grading-view"
 
 export const dynamic = "force-dynamic"
 
@@ -52,39 +43,7 @@ export default async function HomeworkAssignmentSubmissionsPage({ params }: { pa
         </div>
       </div>
 
-      <div className="rounded-md border bg-card">
-        <Table>
-          <TableHeader>
-            <TableRow>
-              <TableHead>{t("homework.grade.student")}</TableHead>
-              <TableHead>{t("homework.grade.status")}</TableHead>
-              <TableHead>{t("homework.grade.submitted")}</TableHead>
-              <TableHead>{t("homework.grade.score")}</TableHead>
-              <TableHead>{t("homework.grade.action")}</TableHead>
-            </TableRow>
-          </TableHeader>
-          <TableBody>
-            {submissions.map((s) => (
-              <TableRow key={s.id}>
-                <TableCell className="font-medium truncate max-w-[160px]">{s.studentName}</TableCell>
-                <TableCell>
-                  <Badge variant="outline" className="capitalize">
-                    {s.status}
-                  </Badge>
-                  {s.isLate ? <span className="ml-2 text-xs text-destructive">{t("homework.grade.late")}</span> : null}
-                </TableCell>
-                <TableCell className="text-muted-foreground tabular-nums">{s.submittedAt ? formatDate(s.submittedAt) : "-"}</TableCell>
-                <TableCell className="tabular-nums">{typeof s.score === "number" ? s.score : "-"}</TableCell>
-                <TableCell>
-                  <Link href={`/teacher/homework/submissions/${s.id}`} className="text-sm underline-offset-4 hover:underline">
-                    {t("homework.grade.title")}
-                  </Link>
-                </TableCell>
-              </TableRow>
-            ))}
-          </TableBody>
-        </Table>
-      </div>
+      <HomeworkBatchGradingView submissions={submissions} />
     </div>
   )
 }