fix(admin): 列设置靠右并支持订单状态多选

HQ 列表主操作居右、列设置贴最右侧；订单筛选状态可多选，导出同步过滤。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/admin-web/src/pages/KnowledgeBasesPage.tsx

@@ -26,6 +26,7 @@ import { fmtTime } from '../lib/constants';
 import { useAdminList } from '../lib/useAdminList';
 import { uploadFileToOss } from '../lib/upload';
 import { useAdminListColumns } from '../lib/useAdminListColumns';
+import { AdminListHeader } from '../components/AdminListHeader';
 import { AdminPrimaryLink } from '../components/AdminPrimaryLink';
 
 
@@ -264,15 +265,11 @@ export default function KnowledgeBasesPage() {
   return (
     <div>
       {settingsModal}
-      <Space style={{ marginBottom: 16 }} wrap>
-        <Typography.Title level={4} style={{ margin: 0 }}>
-          知识库
-        </Typography.Title>
-          {settingsButton}
-        <Typography.Text type="secondary">
-          支持粘贴文本或上传 .txt/.md；可绑定到企微机器人供 AI 检索
-        </Typography.Text>
-      </Space>
+      <AdminListHeader
+        title="知识库"
+        settings={settingsButton}
+        description="支持粘贴文本或上传 .txt/.md；可绑定到企微机器人供 AI 检索"
+      />
 
       <Form
         form={filterForm}