feat(core): Update LLM applications building support (no-changelog) (#7710)

extracted out of #7336

---------

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>
Co-authored-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Alex Grozav <alex@grozav.com>

packages/editor-ui/src/__tests__/defaults.ts

@@ -0,0 +1,47 @@
+import type { INodeTypeData, INodeTypeDescription } from 'n8n-workflow';
+import {
+	AGENT_NODE_TYPE,
+	MANUAL_CHAT_TRIGGER_NODE_TYPE,
+	MANUAL_TRIGGER_NODE_TYPE,
+} from '@/constants';
+import nodeTypesJson from '../../../nodes-base/dist/types/nodes.json';
+
+const allNodeTypes = [...nodeTypesJson];
+
+function findNodeWithName(name: string): INodeTypeDescription {
+	return allNodeTypes.find((node) => node.name === name) as INodeTypeDescription;
+}
+
+export const testingNodeTypes: INodeTypeData = {
+	[MANUAL_TRIGGER_NODE_TYPE]: {
+		sourcePath: '',
+		type: {
+			description: findNodeWithName(MANUAL_TRIGGER_NODE_TYPE),
+		},
+	},
+	[MANUAL_CHAT_TRIGGER_NODE_TYPE]: {
+		sourcePath: '',
+		type: {
+			description: findNodeWithName(MANUAL_CHAT_TRIGGER_NODE_TYPE),
+		},
+	},
+	[AGENT_NODE_TYPE]: {
+		sourcePath: '',
+		type: {
+			description: findNodeWithName(AGENT_NODE_TYPE),
+		},
+	},
+};
+
+export const defaultMockNodeTypes: INodeTypeData = {
+	[MANUAL_TRIGGER_NODE_TYPE]: testingNodeTypes[MANUAL_TRIGGER_NODE_TYPE],
+};
+
+export function mockNodeTypesToArray(nodeTypes: INodeTypeData): INodeTypeDescription[] {
+	return Object.values(nodeTypes).map(
+		(nodeType) => nodeType.type.description as INodeTypeDescription,
+	);
+}
+
+export const defaultMockNodeTypesArray: INodeTypeDescription[] =
+	mockNodeTypesToArray(defaultMockNodeTypes);