fix(admin-vue): 编辑用户菜单权限已授权回显失效——树数据就绪后 await nextTick 再 setCheckedKeys（el-tree store 异步同步 props.data，旧实现作用在空 store 上勾选丢失），补源码断言防回归测试

admin-frontend-vue/src/pages/account/UserMenuAuthTree.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, onMounted, ref, watch } from 'vue'
+import { computed, nextTick, onMounted, ref, watch } from 'vue'
 import type { MenuOptionNode } from './user-menu-auth'
 import { compactDirectGrantIds } from './user-menu-auth'
 import { fetchGrantableMenus } from './user-menu-auth-api'
@@ -43,8 +43,11 @@ async function load(): Promise<void> {
   try {
     data.value = await fetchGrantableMenus()
     loaded.value = true
-    applyChecked()
     emit('load', true)
+    // el-tree 的 store 通过异步 watch 同步 props.data，setCheckedKeys 必须等树
+    // 渲染完成后再应用已勾选 id，否则作用在空 store 上导致已授权不回显。
+    await nextTick()
+    applyChecked()
   } catch {
     loaded.value = false
     emit('load', false)

admin-frontend-vue/tests/align-user-menu-auth-app.test.ts

@@ -36,3 +36,15 @@ test('align_user_menu_auth_both_types_fetch_and_submit_source', () => {
   const auth = readSource('src/pages/account/user-menu-auth.ts')
   assert.match(auth, /type: string/, '授权节点携带 type')
 })
+
+test('align_user_menu_auth_echo_waits_tree_render', () => {
+  // 验收反馈：编辑用户时已授权菜单无回显——load() 在 data 赋值后同步 setCheckedKeys，
+  // el-tree 的 store 异步同步 props.data，勾选作用在空 store 上丢失。
+  // 修复：data 就绪后先 await nextTick() 再 applyChecked()。
+  const tree = readSource('src/pages/account/UserMenuAuthTree.vue')
+  const loadBlock = tree.slice(tree.indexOf('async function load'), tree.indexOf('catch {', tree.indexOf('async function load')))
+  assert.match(loadBlock, /await nextTick\(\).*applyChecked\(\)/s, '树数据就绪后等渲染完成再应用已勾选 id')
+  assert.ok(loadBlock.indexOf('await nextTick') < loadBlock.indexOf('applyChecked()'), 'nextTick 先于 applyChecked')
+  assert.match(tree, /watch\(/, 'checked 变化时仍兜底回显')
+  assert.match(tree, /if \(loaded\.value\) applyChecked\(\)/, '兜底回显仅在树加载完成后')
+})