vscode-extension-samples/chat-sample/src/extension.ts

import * as vscode from 'vscode';
import { registerChatLibChatParticipant } from './chatUtilsSample';
import { registerSimpleParticipant } from './simple';
import { registerToolUserChatParticipant } from './toolParticipant';
import { registerChatTools } from './tools';

export function activate(context: vscode.ExtensionContext) {
	registerSimpleParticipant(context);
	registerToolUserChatParticipant(context);
	registerChatLibChatParticipant(context);

	registerChatTools(context);
}

export function deactivate() { }