feat: Optimise langchain calls in batching mode (#15243)

packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/methods/config.ts

@@ -7,7 +7,7 @@ import type { IDataObject, INodeInputConfiguration, INodeProperties } from 'n8n-
 import { NodeConnectionTypes } from 'n8n-workflow';
 
 import { promptTypeOptions, textFromPreviousNode } from '@utils/descriptions';
-import { getTemplateNoticeField } from '@utils/sharedFields';
+import { getBatchingOptionFields, getTemplateNoticeField } from '@utils/sharedFields';
 
 /**
  * Dynamic input configuration generation based on node parameters
@@ -259,6 +259,11 @@ export const nodeProperties: INodeProperties[] = [
 			},
 		],
 	},
+	getBatchingOptionFields({
+		show: {
+			'@version': [{ _cnd: { gte: 1.7 } }],
+		},
+	}),
 	{
 		displayName: `Connect an <a data-action='openSelectiveNodeCreator' data-action-parameter-connectiontype='${NodeConnectionTypes.AiOutputParser}'>output parser</a> on the canvas to specify the output format you require`,
 		name: 'notice',