feat(销售管理): 实现团队业绩排名和客户问题统计功能

- 添加团队业绩排名和客户迫切问题API接口
- 重构ProblemRanking组件以使用真实API数据
- 修改GroupComparison组件以支持团队排名数据展示
- 优化样式和移除调试日志
- 添加数据默认值处理防止渲染错误

my-vue-app/src/views/senorManger/components/StatisticalIndicators.vue

@@ -5,35 +5,35 @@
         <div class="stat-icon customer-rate">
           <i class="el-icon-chat-dot-round"></i>
         </div>
-        <div class="kpi-value">{{ customerCommunicationRate.active_customer_communication_rate }}</div>
+        <div class="kpi-value">{{ customerCommunicationRate.active_customer_communication_rate||0 }}</div>
         <p>活跃客户沟通率</p>
       </div>
       <div class="kpi-item stat-item">
         <div class="stat-icon response-time">
           <i class="el-icon-timer"></i>
         </div>
-        <div class="kpi-value">{{ averageResponseTime.average_answer_time }}<span class="kpi-unit">分钟</span></div>
+        <div class="kpi-value">{{ averageResponseTime.average_answer_time||0 }}<span class="kpi-unit">分钟</span></div>
         <p>平均应答时间</p>
       </div>
       <div class="kpi-item stat-item">
         <div class="stat-icon timeout-rate">
           <i class="el-icon-warning"></i>
         </div>
-        <div class="kpi-value">{{ timeoutResponseRate.timeout_rate }}</div>
+        <div class="kpi-value">{{ timeoutResponseRate.timeout_rate||0 }}</div>
         <p>超时应答率</p>
       </div>
       <div class="kpi-item stat-item">
         <div class="stat-icon severe-timeout-rate">
           <i class="el-icon-warning-outline"></i>
         </div>
-        <div class="kpi-value">{{ timeoutResponseRate.serious_timeout_rate }}</div>
+        <div class="kpi-value">{{ timeoutResponseRate.serious_timeout_rate||0 }}</div>
         <p>严重超时应答率</p>
       </div>
       <div class="kpi-item stat-item">
         <div class="stat-icon form-rate">
           <i class="el-icon-document"></i>
         </div>
-        <div class="kpi-value">{{ formCompletionRate.table_filling_rate }}</div>
+        <div class="kpi-value">{{ formCompletionRate.table_filling_rate||0 }}</div>
         <p>表格填写率</p>
       </div>
     </div>