feat(销售时间轴): 添加子时间轴阶段选择功能

实现子时间轴各阶段的点击选择功能，将筛选后的客户数据转换为统一格式并传递给父组件

my-vue-app/src/views/person/sale.vue

@@ -42,6 +42,7 @@
           v-else
           :data="timelineData" 
           @stage-select="handleStageSelect" 
+          @sub-stage-select="handleSubStageSelect"
           :selected-stage="selectedStage"
           :contacts="filteredContacts"
           :selected-contact-id="selectedContactId"
@@ -772,6 +773,44 @@ const handleStageSelect = (stage, extraData = null) => {
     currentFilteredCustomers.value = [];
   }
 };
+
+// 处理子时间轴阶段选择
+const handleSubStageSelect = (eventData) => {
+  console.log('子时间轴选择事件:', eventData);
+  
+  // 将筛选后的客户数据转换为contacts格式
+  const filteredContacts = eventData.filteredCustomers.map(customer => ({
+    id: customer.customer_name || customer.id,
+    name: customer.customer_name || customer.name,
+    phone: customer.phone,
+    profession: customer.customer_occupation || customer.profession,
+    education: customer.customer_child_education || customer.education,
+    lastMessageTime: customer.latest_message_time || customer.time,
+    avatarUrl: customer.customer_avatar_url || customer.avatar,
+    avatar: customer.customer_avatar_url || customer.avatar || '/default-avatar.svg',
+    type: customer.type || eventData.originalStageType,
+    classNum: customer.class_num,
+    class_num: customer.class_num,
+    salesStage: eventData.stageType,
+    priority: customer.type === '待联系' ? 'high' : 'normal',
+    time: customer.latest_message_time || customer.time || '未知',
+    health: customer.health || 75,
+    // 保留原始数据
+    customer_name: customer.customer_name,
+    customer_occupation: customer.customer_occupation,
+    customer_child_education: customer.customer_child_education,
+    scrm_user_main_code: customer.scrm_user_main_code,
+    weChat_avatar: customer.weChat_avatar,
+    class_situation: customer.class_situation,
+    records: customer.records
+  }));
+  
+  // 更新当前筛选的客户数据，但保持selectedStage不变（保持子时间轴显示）
+  currentFilteredCustomers.value = filteredContacts;
+  
+  console.log(`已筛选出${eventData.originalStageType}阶段的${filteredContacts.length}位客户`);
+};
+
 const handleViewFormData = async (contact) => {
   // 获取客户表单数据
   await getCustomerForm();