Feat: Add the JS code (or other) executor component to Agent. #4977 (#7677)

### What problem does this PR solve?

Feat: Add the JS code (or other) executor component to Agent. #4977

### Type of change


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

web/src/pages/flow/form/code-form/dynamic-input-variable.tsx

@@ -0,0 +1,66 @@
+import { RAGFlowNodeType } from '@/interfaces/database/flow';
+import { MinusCircleOutlined, PlusOutlined } from '@ant-design/icons';
+import { Button, Form, Input, Select } from 'antd';
+import { useTranslation } from 'react-i18next';
+import { useBuildComponentIdSelectOptions } from '../../hooks/use-get-begin-query';
+import { FormCollapse } from '../components/dynamic-input-variable';
+
+type DynamicInputVariableProps = {
+  name?: string;
+  node?: RAGFlowNodeType;
+};
+
+export const DynamicInputVariable = ({
+  name = 'arguments',
+  node,
+}: DynamicInputVariableProps) => {
+  const { t } = useTranslation();
+
+  const valueOptions = useBuildComponentIdSelectOptions(
+    node?.id,
+    node?.parentId,
+  );
+
+  return (
+    <FormCollapse title={t('flow.inputVariables')}>
+      <Form.List name={name}>
+        {(fields, { add, remove }) => (
+          <>
+            {fields.map(({ key, name, ...restField }) => (
+              <div key={key} className="flex items-center gap-2 pb-4">
+                <Form.Item
+                  {...restField}
+                  name={[name, 'name']}
+                  className="m-0 flex-1"
+                >
+                  <Input />
+                </Form.Item>
+                <Form.Item
+                  {...restField}
+                  name={[name, 'component_id']}
+                  className="m-0 flex-1"
+                >
+                  <Select
+                    placeholder={t('common.pleaseSelect')}
+                    options={valueOptions}
+                  ></Select>
+                </Form.Item>
+                <MinusCircleOutlined onClick={() => remove(name)} />
+              </div>
+            ))}
+            <Form.Item>
+              <Button
+                type="dashed"
+                onClick={() => add()}
+                block
+                icon={<PlusOutlined />}
+              >
+                {t('flow.addVariable')}
+              </Button>
+            </Form.Item>
+          </>
+        )}
+      </Form.List>
+    </FormCollapse>
+  );
+};

web/src/pages/flow/form/code-form/dynamic-output-variable.tsx

@@ -0,0 +1,66 @@
+import { MinusCircleOutlined, PlusOutlined } from '@ant-design/icons';
+import { Button, Form, Input, Select } from 'antd';
+import { useTranslation } from 'react-i18next';
+import { FormCollapse } from '../components/dynamic-input-variable';
+
+type DynamicOutputVariableProps = {
+  name?: string;
+};
+
+const options = [
+  'String',
+  'Number',
+  'Boolean',
+  'Array[String]',
+  'Array[Number]',
+  'Object',
+].map((x) => ({ label: x, value: x }));
+
+export const DynamicOutputVariable = ({
+  name = 'output',
+}: DynamicOutputVariableProps) => {
+  const { t } = useTranslation();
+
+  return (
+    <FormCollapse title={t('flow.output')}>
+      <Form.List name={name}>
+        {(fields, { add, remove }) => (
+          <>
+            {fields.map(({ key, name, ...restField }) => (
+              <div key={key} className="flex items-center gap-2 pb-4">
+                <Form.Item
+                  {...restField}
+                  name={[name, 'first']}
+                  className="m-0 flex-1"
+                >
+                  <Input />
+                </Form.Item>
+                <Form.Item
+                  {...restField}
+                  name={[name, 'last']}
+                  className="m-0 flex-1"
+                >
+                  <Select
+                    placeholder={t('common.pleaseSelect')}
+                    options={options}
+                  ></Select>
+                </Form.Item>
+                <MinusCircleOutlined onClick={() => remove(name)} />
+              </div>
+            ))}
+            <Form.Item>
+              <Button
+                type="dashed"
+                onClick={() => add()}
+                block
+                icon={<PlusOutlined />}
+              >
+                {t('flow.addVariable')}
+              </Button>
+            </Form.Item>
+          </>
+        )}
+      </Form.List>
+    </FormCollapse>
+  );
+};

web/src/pages/flow/form/code-form/index.less

@@ -0,0 +1,16 @@
+.languageItem {
+  margin: 0;
+  :global(.ant-select-selector) {
+    background: transparent !important;
+    border: none !important;
+    box-shadow: none !important;
+  }
+  :global(.ant-select-selector:hover) {
+    border: none !important;
+    box-shadow: none !important;
+  }
+  :global(.ant-select-focused .ant-select-selector) {
+    border: none !important;
+    box-shadow: none !important;
+  }
+}

web/src/pages/flow/form/code-form/index.tsx

@@ -0,0 +1,67 @@
+import Editor, { loader } from '@monaco-editor/react';
+import { Form, Select } from 'antd';
+import { IOperatorForm } from '../../interface';
+import { DynamicInputVariable } from './dynamic-input-variable';
+
+import { CodeTemplateStrMap, ProgrammingLanguage } from '@/constants/agent';
+import { ICodeForm } from '@/interfaces/database/flow';
+import { useEffect } from 'react';
+import styles from './index.less';
+
+loader.config({ paths: { vs: '/vs' } });
+
+const options = [
+  ProgrammingLanguage.Python,
+  ProgrammingLanguage.Javascript,
+].map((x) => ({ value: x, label: x }));
+
+const CodeForm = ({ onValuesChange, form, node }: IOperatorForm) => {
+  const formData = node?.data.form as ICodeForm;
+
+  useEffect(() => {
+    setTimeout(() => {
+      // TODO: Direct operation zustand is more elegant
+      form?.setFieldValue(
+        'script',
+        CodeTemplateStrMap[formData.lang as ProgrammingLanguage],
+      );
+    }, 0);
+  }, [form, formData.lang]);
+
+  return (
+    <Form
+      name="basic"
+      autoComplete="off"
+      form={form}
+      onValuesChange={onValuesChange}
+      layout={'vertical'}
+    >
+      <DynamicInputVariable node={node}></DynamicInputVariable>
+      <Form.Item
+        name={'script'}
+        label={
+          <Form.Item name={'lang'} className={styles.languageItem}>
+            <Select
+              defaultValue={'python'}
+              popupMatchSelectWidth={false}
+              options={options}
+            />
+          </Form.Item>
+        }
+        className="bg-gray-100 rounded dark:bg-gray-800"
+      >
+        <Editor
+          height={200}
+          theme="vs-dark"
+          language={formData.lang}
+          options={{
+            minimap: { enabled: false },
+            automaticLayout: true,
+          }}
+        />
+      </Form.Item>
+    </Form>
+  );
+};
+
+export default CodeForm;

web/src/pages/flow/form/components/dynamic-input-variable.tsx

@@ -22,7 +22,7 @@ const getVariableName = (type: string) =>
   type === VariableType.Reference ? 'component_id' : 'value';
 
 const DynamicVariableForm = ({ name: formName, node }: IProps) => {
-  formName = formName || 'query';
+  const nextFormName = formName || 'query';
   const { t } = useTranslation();
   const valueOptions = useBuildComponentIdSelectOptions(
     node?.id,
@@ -38,15 +38,15 @@ const DynamicVariableForm = ({ name: formName, node }: IProps) => {
   const handleTypeChange = useCallback(
     (name: number) => () => {
       setTimeout(() => {
-        form.setFieldValue([formName, name, 'component_id'], undefined);
-        form.setFieldValue([formName, name, 'value'], undefined);
+        form.setFieldValue([nextFormName, name, 'component_id'], undefined);
+        form.setFieldValue([nextFormName, name, 'value'], undefined);
       }, 0);
     },
-    [form],
+    [form, nextFormName],
   );
 
   return (
-    <Form.List name={formName}>
+    <Form.List name={nextFormName}>
       {(fields, { add, remove }) => (
         <>
           {fields.map(({ key, name, ...restField }) => (
@@ -63,7 +63,7 @@ const DynamicVariableForm = ({ name: formName, node }: IProps) => {
               </Form.Item>
               <Form.Item noStyle dependencies={[name, 'type']}>
                 {({ getFieldValue }) => {
-                  const type = getFieldValue([formName, name, 'type']);
+                  const type = getFieldValue([nextFormName, name, 'type']);
                   return (
                     <Form.Item
                       {...restField}