成绩通知：仅在某门课程成绩正式发布后自动发送，按成绩单学生名单通知，不展示具体分数；发布状态与通知同一次提交。

手动发信：移除“成绩通知”选项，只能发送普通通知，原有角色与范围权限保持不变。
选课通知：管理员关闭一轮选课时，自动向每位参与学生发送一条汇总通知，包含最终选中课程及候补未成功课程；候补失效、轮次关闭和通知生成保持原子性。
关闭选课界面会明确提示发送通知，并显示实际通知人数。

web/src/views/CourseAdjustmentsView.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, onMounted, reactive, ref } from 'vue'
-import { Bell, Check, Plus, Refresh } from '@element-plus/icons-vue'
+import { Check, Plus, Refresh } from '@element-plus/icons-vue'
 import http, { apiErrorMessage } from '../api/http'
 import { useAuthStore } from '../stores/auth'
 import { academicTermLabel, academicTermOptionClass, defaultAcademicTermId } from '../utils/academicTerms'
@@ -12,8 +12,6 @@ const isTeacher = computed(() => auth.user?.roles.includes('Teacher') && !isMana
 
 const adjustments = ref<any[]>([])
 const pendingReviews = ref<any[]>([])
-const notifications = ref<any[]>([])
-const unreadCount = ref(0)
 const loading = ref(false)
 const reviewLoading = ref(false)
 const dialog = ref(false)
@@ -61,19 +59,10 @@ async function load() {
         params: { academicTermId: termId.value },
       })).data
     }
-    await loadNotifications()
   } catch (e) { ElMessage.error(apiErrorMessage(e)) }
   finally { loading.value = false }
 }
 
-async function loadNotifications() {
-  try {
-    const { data } = await http.get('/notifications', { params: { pageSize: 50 } })
-    notifications.value = data.items
-    unreadCount.value = data.unreadCount
-  } catch (_) { /* notifications are optional */ }
-}
-
 function openCreate() {
   Object.assign(form, {
     teachingTaskId: undefined,
@@ -146,23 +135,6 @@ async function doReject() {
   } catch (e) { ElMessage.error(apiErrorMessage(e)) }
 }
 
-async function markRead(n: any) {
-  if (n.isRead) return
-  try {
-    await http.post(`/notifications/${n.id}/read`)
-    n.isRead = true
-    unreadCount.value = Math.max(0, unreadCount.value - 1)
-  } catch (_) {}
-}
-
-async function markAllRead() {
-  try {
-    await http.post('/notifications/read-all')
-    notifications.value.forEach(n => n.isRead = true)
-    unreadCount.value = 0
-  } catch (_) {}
-}
-
 onMounted(async () => {
   try {
     const [termRes, taskRes] = await Promise.all([
@@ -195,9 +167,6 @@ function showCancel(type: string) { return type === 'Cancel' }
         <p>教师提交调课、停课、补课、代课申请，学院审核后生效并通知相关人员。</p>
       </div>
       <div style="display:flex;gap:8px;align-items:center">
-        <el-badge :value="unreadCount" :hidden="!unreadCount">
-          <el-button :icon="Bell" @click="tab = 'notifications'">消息</el-button>
-        </el-badge>
         <el-button v-if="isTeacher" type="primary" :icon="Plus" @click="openCreate">提交申请</el-button>
         <el-button :icon="Refresh" @click="load">刷新</el-button>
       </div>
@@ -210,7 +179,6 @@ function showCancel(type: string) { return type === 'Cancel' }
       <el-segmented v-model="tab" :options="[
         ...(isTeacher ? [{ label: '我的申请', value: 'mine' }] : []),
         ...(isManager ? [{ label: '待审核', value: 'reviews' }] : []),
-        { label: '消息通知', value: 'notifications' },
       ]" />
     </section>
 
@@ -284,22 +252,6 @@ function showCancel(type: string) { return type === 'Cancel' }
       <el-empty v-if="!pendingReviews.length" description="暂无待审核申请" />
     </section>
 
-    <!-- Notifications -->
-    <section v-if="tab === 'notifications'" class="adj-list">
-      <div v-if="unreadCount" class="notif-actions">
-        <el-button size="small" text @click="markAllRead">全部标为已读</el-button>
-      </div>
-      <article v-for="n in notifications" :key="n.id" class="notif-card" :class="{ unread: !n.isRead }" @click="markRead(n)">
-        <div class="notif-dot" v-if="!n.isRead" />
-        <div>
-          <b>{{ n.title }}</b>
-          <p>{{ n.content }}</p>
-          <small>{{ new Date(n.createdAt).toLocaleString('zh-CN') }}</small>
-        </div>
-      </article>
-      <el-empty v-if="!notifications.length" description="暂无消息通知" />
-    </section>
-
     <!-- Create dialog -->
     <el-dialog v-model="dialog" title="提交调停课申请" width="680px" top="5vh">
       <el-form label-position="top">
@@ -410,11 +362,4 @@ function showCancel(type: string) { return type === 'Cancel' }
 .adj-card.approved { border-left: 4px solid #67c23a; }
 .adj-card.rejected { border-left: 4px solid #f56c6c; }
 
-.notif-card { display: flex; align-items: flex-start; gap: 12px; padding: 14px 18px; background: #fff; border: 1px solid #e4e7ed; border-radius: 8px; cursor: pointer; }
-.notif-card.unread { background: #ecf5ff; border-color: #b3d8ff; }
-.notif-dot { width: 8px; height: 8px; border-radius: 50%; background: #409eff; flex-shrink: 0; margin-top: 6px; }
-.notif-card b { font-size: 14px; display: block; margin-bottom: 4px; }
-.notif-card p { font-size: 13px; color: #606266; margin: 0; }
-.notif-card small { font-size: 11px; color: var(--muted); }
-.notif-actions { display: flex; justify-content: flex-end; margin-bottom: 8px; }
 </style>