perf(web): PluginCRUDPage columns 包裹 useMemo 避免重渲染

columns 依赖 fields/resolvedLabels/labelMeta，搜索输入时不再重建列定义。

apps/web/src/pages/PluginCRUDPage.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useState, useCallback } from 'react';
+import { useEffect, useState, useCallback, useMemo } from 'react';
 import { useParams } from 'react-router-dom';
 import {
   Table,
@@ -305,8 +305,8 @@ export default function PluginCRUDPage({
     }
   };
 
-  // 动态生成列
-  const columns = [
+  // 动态生成列（memo 化避免输入搜索时重建）
+  const columns = useMemo(() => [
     ...fields.slice(0, 5).map((f) => ({
       title: f.display_name || f.name,
       dataIndex: f.name,
@@ -315,7 +315,6 @@ export default function PluginCRUDPage({
       sorter: f.sortable ? true : undefined,
       render: (val: unknown) => {
         if (typeof val === 'boolean') return val ? <Tag color="green">是</Tag> : <Tag>否</Tag>;
-        // 引用字段 → 显示解析后的标签
         if (f.ref_entity) {
           const uuid = String(val ?? '');
           if (!uuid || uuid === '-') return '-';
@@ -366,7 +365,7 @@ export default function PluginCRUDPage({
         </Space>
       ),
     },
-  ];
+  ], [fields, resolvedLabels, labelMeta, hasDetailPage, handleDelete]);
 
   // 动态生成表单字段
   const renderFormField = (field: PluginFieldSchema) => {