feat(core): Add support for building LLM applications (#7235)

This extracts all core and editor changes from #7246 and #7137, so that
we can get these changes merged first.

ADO-1120

[DB Tests](https://github.com/n8n-io/n8n/actions/runs/6379749011)
[E2E Tests](https://github.com/n8n-io/n8n/actions/runs/6379751480)
[Workflow Tests](https://github.com/n8n-io/n8n/actions/runs/6379752828)

---------

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>
Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/editor-ui/src/stores/ui.store.ts

@@ -5,6 +5,7 @@ import {
 } from '@/api/workflow-webhooks';
 import {
 	ABOUT_MODAL_KEY,
+	CHAT_EMBED_MODAL_KEY,
 	CHANGE_PASSWORD_MODAL_KEY,
 	COMMUNITY_PACKAGE_CONFIRM_MODAL_KEY,
 	COMMUNITY_PACKAGE_INSTALL_MODAL_KEY,
@@ -27,6 +28,7 @@ import {
 	VERSIONS_MODAL_KEY,
 	VIEWS,
 	WORKFLOW_ACTIVE_MODAL_KEY,
+	WORKFLOW_LM_CHAT_MODAL_KEY,
 	WORKFLOW_SETTINGS_MODAL_KEY,
 	WORKFLOW_SHARE_MODAL_KEY,
 	EXTERNAL_SECRETS_PROVIDER_MODAL_KEY,
@@ -69,6 +71,9 @@ export const useUIStore = defineStore(STORES.UI, {
 			[ABOUT_MODAL_KEY]: {
 				open: false,
 			},
+			[CHAT_EMBED_MODAL_KEY]: {
+				open: false,
+			},
 			[CHANGE_PASSWORD_MODAL_KEY]: {
 				open: false,
 			},
@@ -103,6 +108,9 @@ export const useUIStore = defineStore(STORES.UI, {
 			[VERSIONS_MODAL_KEY]: {
 				open: false,
 			},
+			[WORKFLOW_LM_CHAT_MODAL_KEY]: {
+				open: false,
+			},
 			[WORKFLOW_SETTINGS_MODAL_KEY]: {
 				open: false,
 			},