Feat: Add FormDrawer to agent page. #3221 (#5323)

### What problem does this PR solve?

Feat: Add FormDrawer to agent page. #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agent/form/keyword-extract-form/index.tsx

@@ -0,0 +1,32 @@
+import LLMSelect from '@/components/llm-select';
+import TopNItem from '@/components/top-n-item';
+import { useTranslate } from '@/hooks/common-hooks';
+import { Form } from 'antd';
+import { IOperatorForm } from '../../interface';
+import DynamicInputVariable from '../components/dynamic-input-variable';
+
+const KeywordExtractForm = ({ onValuesChange, form, node }: IOperatorForm) => {
+  const { t } = useTranslate('flow');
+
+  return (
+    <Form
+      name="basic"
+      autoComplete="off"
+      form={form}
+      onValuesChange={onValuesChange}
+      layout={'vertical'}
+    >
+      <DynamicInputVariable node={node}></DynamicInputVariable>
+      <Form.Item
+        name={'llm_id'}
+        label={t('model', { keyPrefix: 'chat' })}
+        tooltip={t('modelTip', { keyPrefix: 'chat' })}
+      >
+        <LLMSelect></LLMSelect>
+      </Form.Item>
+      <TopNItem initialValue={3}></TopNItem>
+    </Form>
+  );
+};
+
+export default KeywordExtractForm;