feat(前端)：AI 操作超时 + 加载提示

- axios 全局超时 5s → 180s（3 分钟），避免 AI 响应未到即断开
- 回忆对比按钮等待时显示旋转动画 + 已等待秒数 + 30s 后安抚文案
- 结束会话报告草稿生成时显示等待提示 + 秒数统计

src/components/ReviewRecall.vue

@@ -20,6 +20,8 @@ const taskNum = computed(() => route.params.taskNum as string);
 const loading = ref(false);
 const standard = ref<StandardMindMap | null>(null);
 const comparing = ref(false);
+const comparingSeconds = ref(0);
+let comparingTimer: ReturnType<typeof setInterval> | null = null;
 const lastResult = ref<any>(null);
 const hasCompared = ref(false);
 
@@ -139,6 +141,8 @@ const handleRecallCompare = async () => {
     return;
   }
   comparing.value = true;
+  comparingSeconds.value = 0;
+  comparingTimer = setInterval(() => { comparingSeconds.value++; }, 1000);
   try {
     const res = await recallCompare(taskNum.value, outline);
     standard.value = res?.data || null;
@@ -162,6 +166,7 @@ const handleRecallCompare = async () => {
     ElMessage.error(e.message || "对比失败");
   } finally {
     comparing.value = false;
+    if (comparingTimer) { clearInterval(comparingTimer); comparingTimer = null; }
   }
 };
 
@@ -328,6 +333,10 @@ onMounted(() => {
             清空重写
           </el-button>
         </div>
+        <p v-if="comparing" class="ai-waiting">
+          AI 正在对比分析中，已等待 {{ comparingSeconds }} 秒…
+          <template v-if="comparingSeconds > 30">内容较多，请耐心等待</template>
+        </p>
       </div>
       <p class="panel-hint">
         凭记忆在导图上补全该任务的知识点：选中节点后 Tab 加子节点、Enter 加同级节点、双击修改文字。
@@ -530,6 +539,29 @@ onMounted(() => {
   line-height: 1.5;
 }
 
+.ai-waiting {
+  font-size: 13px;
+  color: #e6a23c;
+  margin: 4px 0 0;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.ai-waiting::before {
+  content: "";
+  width: 14px;
+  height: 14px;
+  border: 2px solid #f3d19e;
+  border-top-color: #e6a23c;
+  border-radius: 50%;
+  animation: spin 0.8s linear infinite;
+}
+
+@keyframes spin {
+  to { transform: rotate(360deg); }
+}
+
 .standard-meta {
   display: flex;
   gap: 12px;

src/components/StartTask.vue

@@ -25,6 +25,8 @@ const {
 const summaryDialogVisible = ref(false);
 const summaryContent = ref("");
 const summaryLoading = ref(false);
+const summaryLoadingSeconds = ref(0);
+let summaryLoadingTimer: ReturnType<typeof setInterval> | null = null;
 
 // 学习预期
 const expectationDialogVisible = ref(false);
@@ -240,6 +242,8 @@ const openSummaryDialog = async () => {
   // 有残片且未填写过总结时，用 AI 聚合草稿作为编辑起点
   if (!summaryContent.value.trim() && fragmentsList.value.length > 0) {
     summaryLoading.value = true;
+    summaryLoadingSeconds.value = 0;
+    summaryLoadingTimer = setInterval(() => { summaryLoadingSeconds.value++; }, 1000);
     try {
       const res = await getReportDraft(taskInfo.value.sessionNum);
       if (res?.code === 200 && res.data) {
@@ -249,12 +253,14 @@ const openSummaryDialog = async () => {
       // 草稿失败不阻塞手写
     } finally {
       summaryLoading.value = false;
+      if (summaryLoadingTimer) { clearInterval(summaryLoadingTimer); summaryLoadingTimer = null; }
     }
   }
 };
 
 const closeSummaryDialog = () => {
   summaryDialogVisible.value = false;
+  if (summaryLoadingTimer) { clearInterval(summaryLoadingTimer); summaryLoadingTimer = null; }
 };
 
 const restTimer = async () => {
@@ -586,6 +592,9 @@ onUnmounted(() => {
       <span class="expectation-label">本次预期</span>
       <span>{{ expectationSaved }}</span>
     </div>
+    <p v-if="summaryLoading" class="ai-waiting">
+      AI 正在聚合残片生成草稿，已等待 {{ summaryLoadingSeconds }} 秒…
+    </p>
     <el-input
       v-loading="summaryLoading"
       type="textarea"
@@ -644,6 +653,29 @@ onUnmounted(() => {
   color: var(--text-secondary);
 }
 
+.ai-waiting {
+  font-size: 13px;
+  color: #e6a23c;
+  margin: 0 0 8px;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.ai-waiting::before {
+  content: "";
+  width: 14px;
+  height: 14px;
+  border: 2px solid #f3d19e;
+  border-top-color: #e6a23c;
+  border-radius: 50%;
+  animation: spin 0.8s linear infinite;
+}
+
+@keyframes spin {
+  to { transform: rotate(360deg); }
+}
+
 .summary-expectation {
   display: flex;
   align-items: flex-start;

src/utils/request.ts

@@ -6,7 +6,7 @@ const basic_url = import.meta.env.VITE_BASE_URL;
 
 const axiosInstance = axios.create({
     baseURL: basic_url,
-    timeout: 5000,
+    timeout: 180000,
     withCredentials: true
 });