feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/arch/bot-monaco-editor/stories/demo.stories.tsx

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import React, { useRef, useCallback } from 'react';
+
+import type { OnMount } from '../src/types';
+import { Editor, DiffEditor } from '../src';
+export function DemoComponent(): JSX.Element {
+  const editorRef = useRef({});
+
+  const handleEditorDidMount = useCallback<OnMount>(editor => {
+    editorRef.current = editor;
+  }, []);
+  return (
+    <div>
+      Editor:
+      <Editor
+        width="50vw"
+        height="90vh"
+        defaultLanguage="javascript"
+        defaultValue="// some comment"
+        onMount={handleEditorDidMount}
+      />
+      DiffEditor:
+      <DiffEditor
+        width="50vw"
+        height="90vh"
+        language="javascript"
+        original="// the original code"
+        modified="// the modified code"
+      />
+    </div>
+  );
+}
+
+export default {
+  title: 'MonacoEditorDemo',
+  component: DemoComponent,
+  parameters: {
+    layout: 'centered',
+  },
+  argTypes: {},
+};
+
+export const Base = {
+  args: {},
+};