fix: 修复回忆页历史记录与重选节点交互

src/components/ReviewRecall.vue

@@ -51,6 +51,7 @@ const editViewer = ref<InstanceType<typeof MindMapViewer> | null>(null);
 // 回忆历史
 const historyRecords = ref<RecallRecord[]>([]);
 const showHistory = ref(false);
+const historyLoading = ref(false);
 
 // 解析标准导图 JSON 为树节点
 const standardTree = computed<MindMapTreeNode | null>(() => {
@@ -250,6 +251,8 @@ const resetComparison = () => {
   hasCompared.value = false;
   focusPath.value = "";
   recallTree.value = buildEmptyRecallTree();
+  standardExpanded.value = true;
+  editingStandard.value = false;
 };
 
 // 编辑标准导图
@@ -294,12 +297,19 @@ const cancelStandardEdit = () => {
 
 // 查看回忆历史
 const loadHistory = async () => {
+  if (showHistory.value) {
+    showHistory.value = false;
+    return;
+  }
+  historyLoading.value = true;
   try {
     const res = await listRecallRecords(taskNum.value);
     historyRecords.value = res?.data || [];
     showHistory.value = true;
   } catch {
     ElMessage.error("加载历史记录失败");
+  } finally {
+    historyLoading.value = false;
   }
 };
 
@@ -311,6 +321,8 @@ const selectHistoryRecord = (record: RecallRecord) => {
     const tree = parseOutlineToTree(record.recallContent);
     if (tree) recallTree.value = tree;
     hasCompared.value = true;
+    focusPath.value = record.focusPath || "";
+    standardExpanded.value = true;
   } catch {
     ElMessage.error("解析对比记录失败");
   }
@@ -375,8 +387,8 @@ onMounted(() => {
     <!-- 顶部操作栏 -->
     <div class="page-header">
       <h2>回忆复习</h2>
-      <el-button size="small" @click="loadHistory" v-if="!showHistory">
-        历史记录
+      <el-button size="small" :loading="historyLoading" @click="loadHistory">
+        {{ showHistory ? "收起历史" : "历史记录" }}
       </el-button>
     </div>
 
@@ -384,7 +396,7 @@ onMounted(() => {
     <div class="review-scope surface-card" v-if="focusPath">
       <span class="scope-label">复习起点</span>
       <el-tag size="small" type="success" effect="light">{{ focusPath }}</el-tag>
-      <el-button size="small" text @click="focusPath = ''">重选节点</el-button>
+      <el-button size="small" text @click="resetComparison">重选节点</el-button>
     </div>
 
     <!-- 节点选择确认弹窗 -->
@@ -420,9 +432,9 @@ onMounted(() => {
     </div>
 
     <!-- 回忆历史 -->
-    <article class="surface-card" v-if="showHistory && historyRecords.length > 0">
+    <article class="surface-card" v-if="showHistory">
       <h3>回忆历史</h3>
-      <div class="history-list">
+      <div v-if="historyRecords.length > 0" class="history-list">
         <div
           v-for="record in historyRecords"
           :key="record.id"
@@ -436,6 +448,7 @@ onMounted(() => {
           <span class="history-detail">✅{{ record.matchedCount }} ❌{{ record.missedCount }} ➕{{ record.extraCount }}</span>
         </div>
       </div>
+      <el-empty v-else description="暂无回忆记录" :image-size="48" />
     </article>
 
     <!-- 折叠时引导：告知用户展开标准导图 -->