评阅与成绩：老师看代码、运行学生程序、打分、写评语；成绩表与导出

- 评阅页：全班学生列表（提交状态、得分、是否已评阅）；选中学生的代码（只读）、自动评分结果、
  规范提示（代码里用到的默认名字控件、注释行数）、老师评分项打分和评语，"保存并看下一个"
- "运行他的程序"：新标签页里打开学生的提交，可以操作实训台，改动不保存
- 学生能看到老师的各项得分和评语；作业列表显示总分
- 班级管理页"成绩"标签页：学生 × 作业的总分，点分数进入评阅；单个作业和全班成绩导出 CSV
- 老师增删评分项后，已打的分按新的评分项对齐

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

web/src/teacher/AssignmentsPanel.vue

@@ -1,23 +1,22 @@
 <script setup lang="ts">
-// 一个班的作业列表：布置、修改、删除作业，查看提交情况。
+// 一个班的作业列表：布置、修改、删除作业；点"已提交"进入评阅页。
 import { h, ref, watch } from 'vue'
+import { useRouter } from 'vue-router'
 import { NButton, NDataTable, NEmpty, useDialog, useMessage, type DataTableColumns } from 'naive-ui'
 import type { Assignment } from '@iot/shared'
 import { api } from '../api'
 import AssignmentDialog from './AssignmentDialog.vue'
-import SubmissionsDialog from './SubmissionsDialog.vue'
 
 type Row = Assignment & { studentCount: number; submittedCount: number }
 
 const props = defineProps<{ classId: number }>()
+const router = useRouter()
 const message = useMessage()
 const dialog = useDialog()
 
 const rows = ref<Row[]>([])
 const editorOpen = ref(false)
 const editing = ref<Assignment | null>(null)
-const submissionsOpen = ref(false)
-const viewing = ref<Assignment | null>(null)
 
 async function load() {
   rows.value = await api<Row[]>('GET', `/api/teacher/classes/${props.classId}/assignments`).catch((e: Error) => {
@@ -50,9 +49,8 @@ function remove(row: Row) {
   })
 }
 
-function showSubmissions(row: Row) {
-  viewing.value = row
-  submissionsOpen.value = true
+function review(row: Row) {
+  void router.push(`/teacher/assignments/${row.id}`)
 }
 
 const formatTime = (ms: number) =>
@@ -65,8 +63,9 @@ const columns: DataTableColumns<Row> = [
   {
     title: '已提交',
     key: 'submitted',
-    width: 120,
-    render: (r) => h(NButton, { text: true, type: 'primary', onClick: () => showSubmissions(r) }, () => `${r.submittedCount} / ${r.studentCount} 人`),
+    width: 150,
+    render: (r) =>
+      h(NButton, { text: true, type: 'primary', title: '查看提交、评阅', onClick: () => review(r) }, () => `${r.submittedCount} / ${r.studentCount} 人 · 评阅`),
   },
   {
     title: '操作',
@@ -89,7 +88,6 @@ const columns: DataTableColumns<Row> = [
     <NDataTable v-if="rows.length" :columns="columns" :data="rows" :row-key="(r: Row) => r.id" size="small" :bordered="false" />
     <NEmpty v-else description="还没有布置作业" class="empty" />
     <AssignmentDialog v-model:show="editorOpen" :class-id="classId" :editing="editing" @saved="load" />
-    <SubmissionsDialog v-model:show="submissionsOpen" :assignment="viewing" />
   </div>
 </template>