feat(seller): 调整商家菜单布局与商品列表展示

seller/scripts/test-seller-navigation.mjs

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+/**
+ * 商家导航回归：覆盖权限裁剪、详情归属和跨分组检索，使用 Node 内置测试运行器。
+ * @author Bulbasaur
+ * @since 2026-11-08
+ */
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { flattenNavigation, findNavigationItem, searchNavigation } from '../src/libs/seller-navigation.js';
+
+const component = () => {};
+const menus = [
+  { name: 'goods', title: '商品', children: [{ title: '商品管理', children: [
+    { name: 'goods', title: '商品列表', component },
+    { name: 'disabled', title: '不可用页面', component: null },
+  ] }] },
+  { name: 'order', title: '订单', children: [{ title: '订单管理', children: [
+    { name: 'orderList', title: '商品订单', component },
+  ] }] },
+];
+const items = flattenNavigation(menus);
+
+test('搜索不补出未授权入口，也不展示无法加载的菜单', () => {
+  assert.equal(searchNavigation(items, '优惠券').length, 0);
+  assert.equal(searchNavigation(items, '不可用页面').length, 0);
+});
+test('详情页刷新可定位已授权业务入口', () => {
+  assert.equal(findNavigationItem(items, 'goods-operation-edit')?.topName, 'goods');
+  assert.equal(findNavigationItem(items, 'order-detail')?.name, 'orderList');
+});
+test('详情页对应入口被撤权后不能沿用旧账号菜单', () => {
+  const restricted = flattenNavigation(menus.slice(0, 1));
+  assert.equal(findNavigationItem(restricted, 'order-detail'), null);
+  assert.equal(findNavigationItem([], 'goods-operation-edit'), null);
+});
+test('详情本身是授权菜单时优先使用精确入口', () => {
+  const exact = { name: 'order-detail', topName: 'custom' };
+  assert.equal(findNavigationItem([...items, exact], 'order-detail'), exact);
+});
+test('关键词同时匹配栏目及名称，避免同名商品功能混淆', () => {
+  assert.deepEqual(searchNavigation(items, '  订单  商品 ').map(item => item.name), ['orderList']);
+  assert.deepEqual(searchNavigation(items, '商品 列表').map(item => item.name), ['goods']);
+});
+test('搜索清空与空权限账号正确处理', () => {
+  assert.equal(searchNavigation(items, '   ').length, 2);
+  assert.deepEqual(searchNavigation(flattenNavigation([]), ''), []);
+  assert.equal(findNavigationItem(items, 'unknown-detail'), null);
+});