feat: CodeMirror6代码编辑器替代textarea，暗色主题+语法高亮

web/src/views/AccessResultCheck.vue

@@ -34,13 +34,14 @@
     <!-- 主体：脚本 + 结果 -->
     <div style="display:flex;gap:12px;flex:1;min-height:0">
       <!-- 左侧：脚本编辑器 -->
-      <div style="flex:0 0 420px;display:flex;flex-direction:column;min-height:0">
+      <div style="flex:0 0 440px;display:flex;flex-direction:column;min-height:0">
         <div style="font-size:13px;font-weight:500;margin-bottom:4px;display:flex;justify-content:space-between;align-items:center">
           <span>Groovy 脚本</span>
           <el-button size="small" type="primary" @click="saveScript" :loading="saving" v-if="selectedConfigId">保存</el-button>
         </div>
-        <el-input v-model="scriptContent" type="textarea" :rows="1" style="flex:1;font-family:monospace;font-size:11px;line-height:1.4"
-          placeholder="// 先选配置版本，再编辑脚本&#10;// 内置变量: content, url, jsoup, json, utils" />
+        <div style="flex:1;min-height:0;border-radius:4px;overflow:hidden">
+          <CodeEditor v-model="scriptContent" />
+        </div>
         <div style="font-size:10px;color:#909399;margin-top:2px">
           内置: <code>content</code> <code>url</code> <code>jsoup</code> <code>json</code> <code>utils</code>
           · 返回 Map{pageName,extracted} 或 List
@@ -111,6 +112,7 @@
 <script setup>
 import { useRoute } from 'vue-router'
 import api from '../api'
+import CodeEditor from '../components/CodeEditor.vue'
 import { Loading } from '@element-plus/icons-vue'
 
 const route = useRoute()