feat: Add Chat Trigger node (#7409)

Signed-off-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>
Co-authored-by: Jesper Bylund <mail@jesperbylund.com>
Co-authored-by: OlegIvaniv <me@olegivaniv.com>
Co-authored-by: Deborah <deborah@starfallprojects.co.uk>
Co-authored-by: Jan Oberhauser <janober@users.noreply.github.com>
Co-authored-by: Jon <jonathan.bennetts@gmail.com>
Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>
Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com>
Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Mason Geloso <Mason.geloso@gmail.com>
Co-authored-by: Mason Geloso <hone@Masons-Mac-mini.local>
Co-authored-by: Mutasem Aldmour <mutasem@n8n.io>

packages/@n8n/nodes-langchain/nodes/agents/Agent/Agent.node.ts

@@ -144,7 +144,7 @@ export class Agent implements INodeType {
 		name: 'agent',
 		icon: 'fa:robot',
 		group: ['transform'],
-		version: [1, 1.1],
+		version: [1, 1.1, 1.2],
 		description: 'Generates an action plan and executes it. Can use external tools.',
 		subtitle:
 			"={{ {	conversationalAgent: 'Conversational Agent', openAiFunctionsAgent: 'OpenAI Functions Agent', reactAgent: 'ReAct Agent', sqlAgent: 'SQL Agent' }[$parameter.agent] }}",

packages/@n8n/nodes-langchain/nodes/agents/Agent/agents/ConversationalAgent/description.ts

@@ -28,6 +28,19 @@ export const conversationalAgentProperties: INodeProperties[] = [
 		},
 		default: '={{ $json.chat_input }}',
 	},
+	{
+		displayName: 'Text',
+		name: 'text',
+		type: 'string',
+		required: true,
+		displayOptions: {
+			show: {
+				agent: ['conversationalAgent'],
+				'@version': [1.2],
+			},
+		},
+		default: '={{ $json.chatInput }}',
+	},
 	{
 		displayName: 'Options',
 		name: 'options',

packages/@n8n/nodes-langchain/nodes/agents/Agent/agents/OpenAiFunctionsAgent/description.ts

@@ -28,6 +28,19 @@ export const openAiFunctionsAgentProperties: INodeProperties[] = [
 		},
 		default: '={{ $json.chat_input }}',
 	},
+	{
+		displayName: 'Text',
+		name: 'text',
+		type: 'string',
+		required: true,
+		displayOptions: {
+			show: {
+				agent: ['openAiFunctionsAgent'],
+				'@version': [1.2],
+			},
+		},
+		default: '={{ $json.chatInput }}',
+	},
 	{
 		displayName: 'Options',
 		name: 'options',

packages/@n8n/nodes-langchain/nodes/agents/Agent/agents/PlanAndExecuteAgent/description.ts

@@ -28,6 +28,19 @@ export const planAndExecuteAgentProperties: INodeProperties[] = [
 		},
 		default: '={{ $json.chat_input }}',
 	},
+	{
+		displayName: 'Text',
+		name: 'text',
+		type: 'string',
+		required: true,
+		displayOptions: {
+			show: {
+				agent: ['planAndExecuteAgent'],
+				'@version': [1.2],
+			},
+		},
+		default: '={{ $json.chatInput } }',
+	},
 	{
 		displayName: 'Options',
 		name: 'options',

packages/@n8n/nodes-langchain/nodes/agents/Agent/agents/ReActAgent/description.ts

@@ -28,6 +28,19 @@ export const reActAgentAgentProperties: INodeProperties[] = [
 		},
 		default: '={{ $json.chat_input }}',
 	},
+	{
+		displayName: 'Text',
+		name: 'text',
+		type: 'string',
+		required: true,
+		displayOptions: {
+			show: {
+				agent: ['reActAgent'],
+				'@version': [1.2],
+			},
+		},
+		default: '={{ $json.chatInput }}',
+	},
 	{
 		displayName: 'Options',
 		name: 'options',

packages/@n8n/nodes-langchain/nodes/agents/OpenAiAssistant/OpenAiAssistant.node.ts

@@ -224,6 +224,23 @@ export class OpenAiAssistant implements INodeType {
 				type: 'string',
 				required: true,
 				default: '={{ $json.chat_input }}',
+				displayOptions: {
+					show: {
+						'@version': [1],
+					},
+				},
+			},
+			{
+				displayName: 'Text',
+				name: 'text',
+				type: 'string',
+				required: true,
+				default: '={{ $json.chatInput }}',
+				displayOptions: {
+					show: {
+						'@version': [1.1],
+					},
+				},
 			},
 			{
 				displayName: 'OpenAI Tools',