Show Feishu app visibility and preserve sync toggle

frontend/src/locales/zh-CN.json

@@ -794,7 +794,7 @@
     "commonSetupTitle": "首次引导 · 通用网络环境", "commonSetupHint": "检查服务权限、默认出口和 IPv4 转发。仅按需开启通用转发；各专线协议的依赖在“创建专线”中分别安装。", "hostRoot": "运行权限", "hostRoute": "默认出口", "hostForward": "IPv4 转发", "enableForwarding": "开启 IPv4 转发", "forwardingEnabled": "IPv4 转发已开启"
   },
   "feishuSync": {
-    "title": "飞书组织与成员", "hint": "手动导入，或开启后每 30 分钟同步一次。导入不会自动开通 VPN 或授予专线权限；仅显示飞书返回的姓名。", "permissions": "需应用身份读取部门及直属成员（如 contact:department.base:readonly、contact:user.department:readonly）；发布应用，并设置通讯录可见范围。具体权限以飞书接口报错为准。", "auto": "自动同步（30 分钟）", "run": "立即同步", "lastSuccess": "上次成功", "counts": "部门 {departments} · 成员 {members}", "name": "姓名", "departments": "部门 ID", "firstMembers": "仅显示前 500 位成员", "saved": "同步设置已保存", "started": "已开始同步，可查看下方进度", "done": "通讯录同步完成", "failed": "通讯录同步失败"
+    "title": "飞书组织与成员", "hint": "手动导入，或开启后每 30 分钟同步一次。导入不会自动开通 VPN 或授予专线权限；仅显示飞书返回的姓名。", "permissions": "需应用身份读取部门及直属成员（如 contact:department.base:readonly、contact:user.department:readonly）；发布应用，并设置通讯录可见范围。具体权限以飞书接口报错为准。", "auto": "自动同步（30 分钟）", "run": "立即同步", "lastSuccess": "上次成功", "counts": "部门 {departments} · 成员 {members}", "visibility": "飞书应用当前可见范围：部门入口 {departments} · 单独成员 {users}（与企业通讯录总人数不同）", "noDepartments": "当前只读到单独授权的成员，没有可见部门。请在飞书配置应用的部门读取权限和通讯录可见范围，发布后重新同步。", "name": "姓名", "departments": "部门 ID", "firstMembers": "仅显示前 500 位成员", "saved": "同步设置已保存", "started": "已开始同步，可查看下方进度", "done": "通讯录同步完成", "failed": "通讯录同步失败"
   },
   "feishuDirectory": {
     "title": "飞书姓名查询",