feat(staff): 微信员工沟通数 3 数字 → 明细 modal（补 Plan1 误判漏做的操作）

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

yunkes/src/views/StaffList.vue

@@ -271,6 +271,21 @@ function openTalkedModal(row: Account) {
   detailOpen.value = true
 }
 
+/** 微信员工「沟通数」3 数字 → 明细 modal（数据源：该员工客户列表，度量精确区分见 plan 数据源说明）。 */
+function openWechatCommModal(row: Account, title: string, withMsgCols: boolean): void {
+  detailTitle.value = `${title} · ${row.user_name ?? row.account_id}`
+  detailCols.value = withMsgCols
+    ? [
+        { prop: 'friend_nickname', label: '客户微信', minWidth: 160 },
+        { prop: 'send_num', label: '发送消息数', width: 110, align: 'center' },
+        { prop: 'receive_num', label: '接收消息数', width: 110, align: 'center' },
+      ]
+    : [{ prop: 'friend_nickname', label: '客户微信', minWidth: 160 }]
+  detailFetcher.value = async (page: number, page_size: number) =>
+    getCustomers({ channel: 'wechat', owner_account_id: row.account_id, page, page_size })
+  detailOpen.value = true
+}
+
 // ---------------------------------------------------------------------------
 // Per-tab loading
 // ---------------------------------------------------------------------------
@@ -490,15 +505,15 @@ onMounted(() => {
             <template #default="{ row }">
               <div class="yk-pair">
                 <span class="yk-pair__k">沟通人数</span>
-                <span class="yk-pair__v">{{ cellNum(row, 'chatCount') }}</span>
+                <el-button link type="primary" size="small" class="yk-pair__v" @click.stop="openWechatCommModal(row, '沟通人数(已去重)', false)">{{ cellNum(row, 'chatCount') }}</el-button>
               </div>
               <div class="yk-pair">
                 <span class="yk-pair__k">有效沟通数</span>
-                <span class="yk-pair__v">{{ cellNum(row, 'contactCount') }}</span>
+                <el-button link type="primary" size="small" class="yk-pair__v" @click.stop="openWechatCommModal(row, '有效沟通数(已去重)', true)">{{ cellNum(row, 'contactCount') }}</el-button>
               </div>
               <div class="yk-pair">
                 <span class="yk-pair__k">跟进客户数</span>
-                <span class="yk-pair__v">{{ cellNum(row, 'followCount') }}</span>
+                <el-button link type="primary" size="small" class="yk-pair__v" @click.stop="openWechatCommModal(row, '跟进客户数', false)">{{ cellNum(row, 'followCount') }}</el-button>
               </div>
             </template>
           </el-table-column>