feat(editor): Add RAG starter template callouts experiment (#16282)

Co-authored-by: Charlie Kolb <charlie@n8n.io>

packages/workflow/src/interfaces.ts

@@ -1251,6 +1251,7 @@ export type NodePropertyTypes =
 	| 'fixedCollection'
 	| 'hidden'
 	| 'json'
+	| 'callout'
 	| 'notice'
 	| 'multiOptions'
 	| 'number'
@@ -1294,6 +1295,12 @@ export type NodePropertyAction = {
 	target?: string;
 };
 
+export type CalloutActionType = 'openRagStarterTemplate';
+export interface CalloutAction {
+	type: CalloutActionType;
+	label: string;
+}
+
 export interface INodePropertyTypeOptions {
 	// Supported by: button
 	buttonConfig?: {
@@ -1326,6 +1333,7 @@ export interface INodePropertyTypeOptions {
 	assignment?: AssignmentTypeOptions;
 	minRequiredFields?: number; // Supported by: fixedCollection
 	maxAllowedFields?: number; // Supported by: fixedCollection
+	calloutAction?: CalloutAction; // Supported by: callout
 	[key: string]: any;
 }
 
@@ -2835,6 +2843,7 @@ export interface IUserSettings {
 	npsSurvey?: NpsSurveyState;
 	easyAIWorkflowOnboarded?: boolean;
 	userClaimedAiCredits?: boolean;
+	dismissedCallouts?: Record<string, boolean>;
 }
 
 export interface IProcessedDataConfig {

packages/workflow/test/fixtures/WorkflowDataProxy/from_ai_multiple_items_workflow.json

@@ -69,7 +69,7 @@
 		},
 		{
 			"parameters": {
-				"notice_tip": "",
+				"aiAgentStarterCallout": "",
 				"agent": "toolsAgent",
 				"promptType": "define",
 				"text": "=Add this user to my Users sheet:\n{{ $json.toJsonString() }}",