feat(团队指标): 为团队指标添加工具提示说明功能

为转化率、通话次数等团队指标添加工具提示功能，显示各指标的计算方式和定义
取消secondTop.vue中两处被注释的初始化数据加载调用

my-vue-app/src/views/senorManger/seniorManager.vue

@@ -112,13 +112,21 @@
                 
                 <div class="metric-row">
                   <div class="metric-item">
-                    <span class="metric-label">转化率</span>
+                    <span class="metric-label">转化率<i class="info-icon" @mouseenter="showTooltip($event, 'teamPerformance')" @mouseleave="hideTooltip">ⓘ</i></span>
                     <span class="metric-value">{{ member.conversion_rate_this_period }}</span>
                   </div>
                   <div class="metric-item">
                     <span class="metric-label">通话次数</span>
                     <span class="metric-value">{{ member.call_count_this_period }}</span>
                   </div>
+                  <!-- Tooltip 组件 -->
+                  <Tooltip 
+                    :visible="tooltip.visible"
+                    :x="tooltip.x"
+                    :y="tooltip.y"
+                    :title="tooltip.title"
+                    :description="tooltip.description"
+                  />
                 </div>
                 
                 <div class="metric-row">
@@ -149,7 +157,8 @@
 <script setup>
 import { ref, onMounted } from 'vue'
 import { useRouter } from 'vue-router'
-
+import { computed, reactive } from 'vue'
+import Tooltip from '@/components/Tooltip.vue'
 import CenterOverview from './components/CenterOverview.vue'
 import GroupComparison from './components/GroupComparison.vue'
 import GroupRanking from './components/GroupRanking.vue'
@@ -540,6 +549,41 @@ const getStatusText = (status) => {
   }
   return statusMap[status] || '未知'
 }
+
+
+// 工具提示状态
+const tooltip = reactive({
+  visible: false,
+  x: 0,
+  y: 0,
+  title: '',
+  description: ''
+})
+
+// 指标描述
+const metricDescriptions = {
+  teamPerformance: {
+    title: '转化率',
+    description: '本期最终成交/本期客户总数'
+  }
+}
+
+// 显示工具提示
+const showTooltip = (event, metricType) => {
+  const metric = metricDescriptions[metricType]
+  if (metric) {
+    tooltip.title = metric.title
+    tooltip.description = metric.description
+    tooltip.x = event.clientX
+    tooltip.y = event.clientY
+    tooltip.visible = true
+  }
+}
+
+// 隐藏工具提示
+const hideTooltip = () => {
+  tooltip.visible = false
+}
 </script>
 
 <style lang="scss" scoped>
@@ -924,7 +968,20 @@ const getStatusText = (status) => {
     }
   }
 }
-
+.info-icon {
+        color: #94a3b8;
+        font-size: 0.75rem;
+        cursor: pointer;
+        opacity: 0.7;
+        transition: all 0.2s ease;
+        margin-left: 0.25rem;
+        
+        &:hover {
+          opacity: 1;
+          color: #3b82f6;
+          transform: scale(1.1);
+        }
+      }
 // 客户详情区域
 .customer-detail-section {
   background: white;