feat(analytics): 前端板块骨架——echarts按需/useChart/路由/侧栏组/API模块

Co-Authored-By: Claude Code <noreply@anthropic.com>

yunkes/src/layouts/MainLayout.vue

@@ -98,6 +98,25 @@ function logout(): void {
           <el-menu-item index="/search" @click="goPlain('/search')">
             全局搜索
           </el-menu-item>
+
+          <!-- 数据分析 -->
+          <el-sub-menu index="analytics">
+            <template #title>
+              <span class="yk-sidenav__group">数据分析</span>
+            </template>
+            <el-menu-item index="/analytics/dashboard" @click="goPlain('/analytics/dashboard')">
+              数据看板
+            </el-menu-item>
+            <el-menu-item index="/analytics/churn" @click="goPlain('/analytics/churn')">
+              流失预警
+            </el-menu-item>
+            <el-menu-item index="/analytics/unreplied" @click="goPlain('/analytics/unreplied')">
+              该回未回
+            </el-menu-item>
+            <el-menu-item index="/analytics/sensitive" @click="goPlain('/analytics/sensitive')">
+              敏感词
+            </el-menu-item>
+          </el-sub-menu>
         </el-menu>
         <div class="yk-sidenav__footer">
           <el-button text class="yk-sidenav__logout" @click="logout">