feat(Chat Trigger Node): Add support for file uploads & harmonize public and development chat (#9802)

Signed-off-by: Oleg Ivaniv <me@olegivaniv.com>

packages/@n8n/nodes-langchain/nodes/trigger/ChatTrigger/templates.ts

@@ -8,6 +8,8 @@ export function createPage({
 	i18n: { en },
 	initialMessages,
 	authentication,
+	allowFileUploads,
+	allowedFilesMimeTypes,
 }: {
 	instanceId: string;
 	webhookUrl?: string;
@@ -19,6 +21,8 @@ export function createPage({
 	initialMessages: string[];
 	mode: 'test' | 'production';
 	authentication: AuthenticationChatOption;
+	allowFileUploads?: boolean;
+	allowedFilesMimeTypes?: string;
 }) {
 	const validAuthenticationOptions: AuthenticationChatOption[] = [
 		'none',
@@ -35,6 +39,8 @@ export function createPage({
 		? authentication
 		: 'none';
 	const sanitizedShowWelcomeScreen = !!showWelcomeScreen;
+	const sanitizedAllowFileUploads = !!allowFileUploads;
+	const sanitizedAllowedFilesMimeTypes = allowedFilesMimeTypes?.toString() ?? '';
 	const sanitizedLoadPreviousSession = validLoadPreviousSessionOptions.includes(
 		loadPreviousSession as LoadPreviousSessionChatOption,
 	)
@@ -103,6 +109,8 @@ export function createPage({
 								'X-Instance-Id': '${instanceId}',
 							}
 						},
+						allowFileUploads: ${sanitizedAllowFileUploads},
+						allowedFilesMimeTypes: '${sanitizedAllowedFilesMimeTypes}',
 						i18n: {
 							${en ? `en: ${JSON.stringify(en)},` : ''}
 						},