fix(wa): viewCustomers带channel query(原缺whatsapp致WA客户页默认微信tab)+tab query watch

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

yunkes/src/views/CustomerList.vue

@@ -367,6 +367,18 @@ const drawerAvatarSrc = computed<string | undefined>(() => {
 })
 const drawerCanChat = computed(() => !!drawerCustomer.value?.owner_account_id)
 
+// 路由 query tab 变化 → waSubTab 跟随(员工列表群聊按钮跳入时)
+watch(
+  () => route.query.tab,
+  (t) => {
+    const next = t === 'groups' ? 'groups' : 'friends'
+    if (next !== waSubTab.value) {
+      waSubTab.value = next
+      if (next === 'groups') loadWaGroups()
+    }
+  },
+)
+
 // 全局 channel 变化（别处 setChannel）→ activeTab 跟随 + lazy-load。
 // 当前所有外部 setChannel 入口（StaffList.viewCustomers/viewGroups）都同时带 owner_account_id query，
 // watch(dept/owner) 会 fire 兜底加载；但若未来出现「只 setChannel 不带 query」的入口，这里补的

yunkes/src/views/StaffList.vue

@@ -242,7 +242,7 @@ function viewCustomers(row: Account): void {
   channelStore.setChannel(row.channel)
   router.push({
     path: '/customers',
-    query: { owner_account_id: row.account_id },
+    query: { owner_account_id: row.account_id, channel: row.channel },
   })
 }