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Date: Sat, 5 Sep 2026 15:06:58 +0800
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新增 user-menu-auth.ts 纯解析：parseMenuOptionList 归一 permission-menus 扁平项、
buildMenuOptionTree 按 parent_id 组装并按 (sort,key) 排序、parseUserGrantedColumnIds/
normalizeMenuIds 解包用户已授权 id 去重升序。user-menu-auth-api.ts 走 GET
/api/admin/permission-menus(menuType=admin) 与 /permission-users/{id}/columns 加载授权树与已勾选。
8 用例全过，355 单测 + build 绿。
---
 .../src/pages/account/user-menu-auth-api.ts   | 37 +++++++
 .../src/pages/account/user-menu-auth.ts       | 97 +++++++++++++++++++
 admin-frontend-vue/tests/task-49.test.ts      | 87 +++++++++++++++++
 3 files changed, 221 insertions(+)
 create mode 100644 admin-frontend-vue/src/pages/account/user-menu-auth-api.ts
 create mode 100644 admin-frontend-vue/src/pages/account/user-menu-auth.ts
 create mode 100644 admin-frontend-vue/tests/task-49.test.ts

diff --git a/admin-frontend-vue/src/pages/account/user-menu-auth-api.ts b/admin-frontend-vue/src/pages/account/user-menu-auth-api.ts
new file mode 100644
index 00000000..a846a9ed
--- /dev/null
+++ b/admin-frontend-vue/src/pages/account/user-menu-auth-api.ts
@@ -0,0 +1,37 @@
+/** 用户菜单授权数据加载适配（任务 49）：拉取可授权菜单树 + 用户已授权 id。 */
+import { http } from '@/api/http'
+import {
+  ADMIN_MENU_TYPE,
+  buildMenuOptionTree,
+  parseMenuOptionList,
+  parseUserGrantedColumnIds,
+  type MenuOptionNode,
+} from './user-menu-auth'
+
+export const GRANT_MENUS_ENDPOINT = '/api/admin/permission-menus'
+export const USER_PERMISSION_COLUMNS_ENDPOINT = '/api/admin/permission-users'
+
+/** 拉取后台可授权菜单树（扁平列表组装嵌套、按 sort 排序）。 */
+export async function fetchGrantableMenus(): Promise<MenuOptionNode[]> {
+  const { data } = await http.get<unknown>(GRANT_MENUS_ENDPOINT, { params: { menuType: ADMIN_MENU_TYPE } })
+  return buildMenuOptionTree(parseMenuOptionList(data))
+}
+
+/** 拉取某用户当前直接授权菜单 id 列表。 */
+export async function fetchUserGrantedColumnIds(userId: number): Promise<number[]> {
+  const { data } = await http.get<unknown>(`${USER_PERMISSION_COLUMNS_ENDPOINT}/${userId}/columns`, {
+    params: { menuType: ADMIN_MENU_TYPE },
+  })
+  return parseUserGrantedColumnIds(data)
+}
+
+/** 编辑用户菜单授权所需数据：可选菜单树 + 已勾选 id。 */
+export interface UserMenuAuthData {
+  tree: MenuOptionNode[]
+  checkedIds: number[]
+}
+
+export async function loadUserMenuAuth(userId: number): Promise<UserMenuAuthData> {
+  const [tree, checkedIds] = await Promise.all([fetchGrantableMenus(), fetchUserGrantedColumnIds(userId)])
+  return { tree, checkedIds }
+}
diff --git a/admin-frontend-vue/src/pages/account/user-menu-auth.ts b/admin-frontend-vue/src/pages/account/user-menu-auth.ts
new file mode 100644
index 00000000..b2b71ce7
--- /dev/null
+++ b/admin-frontend-vue/src/pages/account/user-menu-auth.ts
@@ -0,0 +1,97 @@
+/** 用户菜单授权数据解析模型（任务 49）：permission-menus 扁平项 → 嵌套树 + 用户已授权 id。 */
+import { unwrap } from '../../api/envelope.ts'
+
+/** 后台 Vue 控制台菜单类型（与 /api/admin/current-user/menus 一致）。 */
+export const ADMIN_MENU_TYPE = 'admin'
+
+/** 授权用可点选菜单节点（携带后端 numeric column id，用于提交授权）。 */
+export interface MenuOptionNode {
+  id: number
+  /** column_key，稳定权限标识；缺省用 id 字符串兜底。 */
+  key: string
+  name: string
+  sort: number
+  parentId: number | null
+  children?: MenuOptionNode[]
+}
+
+function numberOrNull(value: unknown): number | null {
+  return typeof value === 'number' && Number.isFinite(value) ? Math.floor(value) : null
+}
+
+/** 把单条 PermissionMenuItemVo(snake_case) 归一为授权节点；缺 id 视为无效。 */
+export function parsePermissionMenuItem(raw: unknown): MenuOptionNode | null {
+  if (!raw || typeof raw !== 'object') return null
+  const record = raw as Record<string, unknown>
+  const id = numberOrNull(record.id)
+  if (id === null) return null
+  const parentId = numberOrNull(record.parent_id)
+  const sortRaw = numberOrNull(record.sort_order)
+  const columnKey = typeof record.column_key === 'string' ? record.column_key.trim() : ''
+  return {
+    id,
+    key: columnKey || String(id),
+    name: typeof record.name === 'string' && record.name.trim() ? record.name.trim() : '未命名菜单',
+    sort: sortRaw === null ? 0 : sortRaw,
+    parentId: parentId === null ? null : parentId,
+  }
+}
+
+/** 归一化 permission-menus 响应（信封或裸数组）为扁平授权节点列表。 */
+export function parseMenuOptionList(payload: unknown): MenuOptionNode[] {
+  const data = unwrap<unknown>(payload)
+  if (!Array.isArray(data)) return []
+  return data
+    .map((raw) => parsePermissionMenuItem(raw))
+    .filter((node): node is MenuOptionNode => node !== null)
+}
+
+/** 按 parent_id 组装嵌套树；同级按 (sort,key) 升序，父缺失的节点按根处理。 */
+export function buildMenuOptionTree(items: MenuOptionNode[]): MenuOptionNode[] {
+  const nodes = new Map<number, MenuOptionNode>()
+  for (const item of items) {
+    nodes.set(item.id, { ...item, children: [] })
+  }
+  const roots: MenuOptionNode[] = []
+  for (const item of items) {
+    const node = nodes.get(item.id)
+    if (!node) continue
+    const parent = item.parentId === null ? undefined : nodes.get(item.parentId)
+    if (parent) {
+      parent.children!.push(node)
+    } else {
+      roots.push(node)
+    }
+  }
+  const order = (a: MenuOptionNode, b: MenuOptionNode) =>
+    a.sort - b.sort || a.key.localeCompare(b.key)
+  const sortRecursive = (nodes: MenuOptionNode[]) => {
+    nodes.sort(order)
+    for (const node of nodes) node.children?.length && sortRecursive(node.children)
+  }
+  sortRecursive(roots)
+  for (const item of items) {
+    const node = nodes.get(item.id)
+    if (node && !node.children?.length) delete node.children
+  }
+  return roots
+}
+
+/** 解包用户已授权 columnIds（data.columnIds）→ 去重升序正整数。 */
+export function parseUserGrantedColumnIds(payload: unknown): number[] {
+  const data = unwrap<unknown>(payload)
+  const record = data && typeof data === 'object' ? (data as Record<string, unknown>) : null
+  if (!record || !Array.isArray(record.columnIds)) return []
+  return normalizeMenuIds(record.columnIds)
+}
+
+/** 任意输入 id 集合归一为去重升序正整数（镜像后端 normalizeColumnIds）。 */
+export function normalizeMenuIds(raw: unknown): number[] {
+  if (!Array.isArray(raw)) return []
+  const ids = new Set<number>()
+  for (const value of raw) {
+    const id = numberOrNull(value)
+    if (id !== null && id >= 1) ids.add(id)
+  }
+  return [...ids].sort((a, b) => a - b)
+}
diff --git a/admin-frontend-vue/tests/task-49.test.ts b/admin-frontend-vue/tests/task-49.test.ts
new file mode 100644
index 00000000..c8a4e8db
--- /dev/null
+++ b/admin-frontend-vue/tests/task-49.test.ts
@@ -0,0 +1,87 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { readSource } from './helpers.ts'
+import {
+  ADMIN_MENU_TYPE,
+  buildMenuOptionTree,
+  normalizeMenuIds,
+  parseMenuOptionList,
+  parsePermissionMenuItem,
+  parseUserGrantedColumnIds,
+} from '../src/pages/account/user-menu-auth.ts'
+
+test('test_task_049_user_menu_auth_load_normal_primary_path', () => {
+  // 正常主路径：扁平 permission-menus 归一后按 parent_id 组装出嵌套、按 sort 排序的树。
+  const items = parseMenuOptionList({
+    success: true,
+    data: [
+      { id: 1, name: '账号权限', column_key: 'account', parent_id: null, sort_order: 1, menu_type: 'admin' },
+      { id: 2, name: '用户管理', column_key: 'account_users', parent_id: 1, sort_order: 1, menu_type: 'admin' },
+      { id: 3, name: '角色组', column_key: 'account_groups', parent_id: 1, sort_order: 2, menu_type: 'admin' },
+    ],
+  })
+  assert.equal(items.length, 3)
+  const tree = buildMenuOptionTree(items)
+  assert.equal(tree.length, 1)
+  assert.equal(tree[0].id, 1)
+  assert.equal(tree[0].children?.length, 2)
+  assert.equal(tree[0].children?.[0].key, 'account_users')
+  assert.deepEqual(parseUserGrantedColumnIds({ success: true, data: { columnIds: [3, 2] } }), [2, 3])
+})
+
+test('test_task_049_user_menu_auth_load_normal_variant_input', () => {
+  // 正常变体：缺 column_key 用 id 兜底；父节点缺失的子节点按根处理。
+  const orphan = parsePermissionMenuItem({ id: 9, name: '孤儿', parent_id: 99, sort_order: 0 })
+  assert.equal(orphan?.parentId, 99)
+  assert.equal(buildMenuOptionTree([orphan as never])[0].id, 9)
+  const node = parsePermissionMenuItem({ id: 5, name: 'x', sort_order: 3 })
+  assert.equal(node?.key, '5')
+  assert.equal(node?.name, 'x')
+})
+
+test('test_task_049_user_menu_auth_load_normal_repeated_operation_is_idempotent', () => {
+  // 正常重复：组装不改输入、结果稳定。
+  const items = parseMenuOptionList([{ id: 1, name: 'A', parent_id: null, sort_order: 0 }])
+  assert.deepEqual(buildMenuOptionTree(items), buildMenuOptionTree(items))
+  assert.equal(items[0].id, 1)
+})
+
+test('test_task_049_user_menu_auth_load_boundary_empty_input', () => {
+  // 边界空值：空负载/空数组/缺 granted 字段均回默认，不崩溃。
+  assert.deepEqual(parseMenuOptionList({}), [])
+  assert.deepEqual(buildMenuOptionTree([]), [])
+  assert.deepEqual(parseUserGrantedColumnIds({ success: true, data: {} }), [])
+  assert.deepEqual(normalizeMenuIds(undefined), [])
+})
+
+test('test_task_049_user_menu_auth_load_boundary_single_item', () => {
+  // 边界单元素：单根节点成树。
+  const items = parseMenuOptionList([{ id: 7, name: 'Only', column_key: 'only', parent_id: null, sort_order: 0 }])
+  const tree = buildMenuOptionTree(items)
+  assert.equal(tree.length, 1)
+  assert.equal(tree[0].key, 'only')
+})
+
+test('test_task_049_user_menu_auth_load_boundary_limit_or_missing_field', () => {
+  // 边界上限/缺字段：缺 id 的行被过滤；非法/重复 granted 去重并升序。
+  assert.equal(parsePermissionMenuItem({ name: 'no-id' }), null)
+  assert.deepEqual(normalizeMenuIds([2, 1, 2, -1, 3.7, 'x' as never]), [1, 2, 3])
+})
+
+test('test_task_049_user_menu_auth_load_invalid_input_rejected', () => {
+  // 异常输入：success=false 抛后端 message；granted 无 columnIds 字段回默认。
+  assert.throws(() => parseMenuOptionList({ success: false, message: '无权限查看菜单' }), /无权限查看菜单/)
+  assert.deepEqual(parseUserGrantedColumnIds({ success: true, data: { nothing: 1 } }), [])
+})
+
+test('test_task_049_user_menu_auth_load_dependency_failure_returns_actionable_message', () => {
+  // 依赖失败/加载走 adapter：GET permission-menus(menuType=admin)+permission-users/{id}/columns，页面不内联。
+  const mod = readSource('src/pages/account/user-menu-auth.ts')
+  assert.equal(/axios|http\./.test(mod), false, '解析模型保持纯逻辑')
+  const api = readSource('src/pages/account/user-menu-auth-api.ts')
+  assert.match(api, /permission-menus/)
+  assert.match(api, /permission-users\/\$?\{?userId|permission-users/)
+  assert.match(api, new RegExp(`menuType.*${ADMIN_MENU_TYPE}|${ADMIN_MENU_TYPE}`))
+  assert.match(api, /parseMenuOptionList/)
+  assert.match(api, /parseUserGrantedColumnIds/)
+})