自动编排接口现在立即返回 202 + jobId，不会再等待 15 秒导致 Axios 超时。

任务参数、状态和结果持久化到 MySQL。
接入现有 outbox；配置 BackgroundJobs__Transport=RabbitMq 时使用 RabbitMQ 队列 exam.arrangement，否则使用 InMemory worker。
服务重启后可恢复未完成任务。
前端显示排队/执行/完成/失败状态，刷新页面可恢复正在执行的任务。
编排期间禁止修改、删除或发布对应计划。
补考原有“一键生成”保留，并与编排任务互斥。
运维后台增加“考试与补考编排”失败任务筛选。

web/src/views/MakeupExamsView.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, onMounted, reactive, ref } from 'vue'
+import { computed, onBeforeUnmount, onMounted, reactive, ref } from 'vue'
 import { Plus, Promotion, Refresh, UserFilled, Setting, Search, MagicStick } from '@element-plus/icons-vue'
 import http, { apiErrorMessage } from '../api/http'
 import { useAuthStore } from '../stores/auth'
@@ -25,6 +25,14 @@ const buildings = ref<any[]>([])
 const timeSlots = ref<any[]>([])
 const loading = ref(false)
 const arrangeLoading = ref(false)
+const arrangementJob = ref<any | null>(null)
+let arrangementPollTimer: ReturnType<typeof setTimeout> | null = null
+const arrangementJobRunning = computed(() =>
+  ['Queued', 'Running'].includes(arrangementJob.value?.status))
+const arrangementProgress = computed(() =>
+  arrangementJob.value?.status === 'Queued' ? 10
+    : arrangementJob.value?.status === 'Running' ? 60
+      : arrangementJob.value?.status === 'Succeeded' ? 100 : 0)
 const planDialog = ref(false)
 const sessionDialog = ref(false)
 const editingSession = ref<any | null>(null)
@@ -119,9 +127,13 @@ async function load() {
   finally { loading.value = false }
 }
 async function selectPlan(id: string) {
+  stopArrangementPolling()
   selected.value = (await http.get(`/makeup-exams/plans/${id}`)).data
   selectedSessionIds.value = []
-  await loadPlanResources(selected.value.academicTermId)
+  await Promise.all([
+    loadPlanResources(selected.value.academicTermId),
+    restoreArrangementJob(id),
+  ])
 }
 async function loadPlanResources(academicTermId: string) {
   const [taskRes, slotRes] = await Promise.all([
@@ -246,12 +258,77 @@ async function autoArrange(mode: 'rooms' | 'invigilators' | 'all') {
       assignClassrooms: mode !== 'invigilators',
       assignInvigilators: mode !== 'rooms',
     })
+    arrangementJob.value = {
+      id: res.data.jobId,
+      planId: selected.value.id,
+      status: res.data.status,
+      currentStep: '等待后台编排',
+    }
     ElMessage.success(res.data.message)
-    await selectPlan(selected.value.id)
+    scheduleArrangementPoll(true)
   } catch (error: any) {
     if (error !== 'cancel' && error !== 'close') ElMessage.error(apiErrorMessage(error))
   } finally { arrangeLoading.value = false }
 }
+async function restoreArrangementJob(planId: string) {
+  try {
+    const res = await http.get(
+      `/makeup-exams/plans/${planId}/arrangement-job`,
+    )
+    if (res.status === 204 || !res.data ||
+      !['Queued', 'Running'].includes(res.data.status)) {
+      arrangementJob.value = null
+      return
+    }
+    arrangementJob.value = res.data
+    scheduleArrangementPoll(false)
+  } catch {
+    arrangementJob.value = null
+  }
+}
+function scheduleArrangementPoll(notifyTerminal: boolean) {
+  stopArrangementPolling()
+  arrangementPollTimer = setTimeout(
+    () => pollArrangementJob(notifyTerminal),
+    1500,
+  )
+}
+async function pollArrangementJob(notifyTerminal: boolean) {
+  if (!arrangementJob.value?.id) return
+  const jobId = arrangementJob.value.id
+  const planId = selected.value?.id
+  try {
+    const { data: job } = await http.get(
+      `/makeup-exams/arrangement-jobs/${jobId}`,
+    )
+    if (selected.value?.id !== planId ||
+      arrangementJob.value?.id !== jobId) return
+    arrangementJob.value = job
+    if (['Queued', 'Running'].includes(job.status)) {
+      scheduleArrangementPoll(notifyTerminal)
+      return
+    }
+    stopArrangementPolling()
+    if (job.status === 'Succeeded') {
+      const planId = selected.value?.id
+      if (planId) await selectPlan(planId)
+      if (notifyTerminal) ElMessage.success(job.resultMessage || '补考编排完成')
+    } else if (notifyTerminal) {
+      ElMessage.error(job.errorMessage || '补考编排失败')
+    }
+  } catch {
+    if (selected.value?.id === planId &&
+      arrangementJob.value?.id === jobId) {
+      scheduleArrangementPoll(notifyTerminal)
+    }
+  }
+}
+function stopArrangementPolling() {
+  if (arrangementPollTimer) {
+    clearTimeout(arrangementPollTimer)
+    arrangementPollTimer = null
+  }
+}
 async function publishPlan() {
   try {
     await ElMessageBox.confirm('发布后考试时间、考场与监考安排将锁定。', '发布补考计划', {
@@ -431,6 +508,10 @@ onMounted(async () => {
     await load()
   } catch (error) { ElMessage.error(apiErrorMessage(error)) }
 })
+onBeforeUnmount(() => {
+  stopPolling()
+  stopArrangementPolling()
+})
 </script>
 
 <template>
@@ -460,15 +541,34 @@ onMounted(async () => {
             <p>{{ selected.termName }} · {{ selected.sessions.length }} 个补考场次</p>
           </div>
           <div class="exam-actions">
-            <el-button v-if="selected.status === 'Draft'" :icon="MagicStick" type="success" @click="startAutoCreate">一键生成</el-button>
-            <el-button v-if="selected.status === 'Draft'" @click="autoArrange('rooms')" :loading="arrangeLoading">一键分配考场</el-button>
-            <el-button v-if="selected.status === 'Draft'" @click="autoArrange('invigilators')" :loading="arrangeLoading">一键分配监考</el-button>
-            <el-button v-if="selected.status === 'Draft'" :icon="Setting" @click="autoArrange('all')" :loading="arrangeLoading">一键完成</el-button>
-            <el-button v-if="selected.status === 'Draft'" :icon="Plus" @click="openSession()">批量安排场次</el-button>
-            <el-button v-if="selected.status === 'Draft'" type="primary" :icon="Promotion" @click="publishPlan">发布计划</el-button>
+            <el-button v-if="selected.status === 'Draft'" :icon="MagicStick" type="success" :disabled="arrangementJobRunning" @click="startAutoCreate">一键生成</el-button>
+            <el-button v-if="selected.status === 'Draft'" @click="autoArrange('rooms')" :loading="arrangeLoading" :disabled="arrangementJobRunning || ['Queued', 'Running'].includes(autoJobStatus ?? '')">一键分配考场</el-button>
+            <el-button v-if="selected.status === 'Draft'" @click="autoArrange('invigilators')" :loading="arrangeLoading" :disabled="arrangementJobRunning || ['Queued', 'Running'].includes(autoJobStatus ?? '')">一键分配监考</el-button>
+            <el-button v-if="selected.status === 'Draft'" :icon="Setting" @click="autoArrange('all')" :loading="arrangeLoading" :disabled="arrangementJobRunning || ['Queued', 'Running'].includes(autoJobStatus ?? '')">一键完成</el-button>
+            <el-button v-if="selected.status === 'Draft'" :icon="Plus" :disabled="arrangementJobRunning" @click="openSession()">批量安排场次</el-button>
+            <el-button v-if="selected.status === 'Draft'" type="primary" :icon="Promotion" :disabled="arrangementJobRunning" @click="publishPlan">发布计划</el-button>
             <el-button v-if="selected.status === 'Published'" type="info" @click="archivePlan">归档</el-button>
           </div>
         </header>
+        <el-alert
+          v-if="arrangementJob"
+          :title="arrangementJob.status === 'Failed' ? '后台编排失败' : arrangementJob.status === 'Succeeded' ? '后台编排完成' : '后台正在编排补考'"
+          :type="arrangementJob.status === 'Failed' ? 'error' : arrangementJob.status === 'Succeeded' ? 'success' : 'info'"
+          :closable="false"
+          show-icon
+          style="margin-bottom: 16px"
+        >
+          <template #default>
+            <p>{{ arrangementJob.errorMessage || arrangementJob.resultMessage || arrangementJob.currentStep || '等待后台任务处理' }}</p>
+            <el-progress
+              v-if="arrangementJobRunning"
+              :percentage="arrangementProgress"
+              :show-text="false"
+              :stroke-width="6"
+              :indeterminate="arrangementJob.status === 'Running'"
+            />
+          </template>
+        </el-alert>
         <div v-if="autoJobId && autoJobStatus !== 'Succeeded' && autoJobStatus !== 'Failed'" style="margin-bottom: 16px">
           <el-alert :title="autoJobMessage" type="info" :closable="false">
             <template #default>