refactor: update ask command and test utilities to use ES modules; improve error handling and response formatting

__tests__/utils/testUtils.js

@@ -1,11 +1,13 @@
 // Test utilities for Discord.js bot testing
 
+import { jest } from '@jest/globals';
+
 /**
  * Creates a mock interaction object with common properties and methods
  * @param {Object} options - Customization options for the mock interaction
  * @returns {Object} Mock interaction object
  */
-const createMockInteraction = (options = {}) => ({
+export const createMockInteraction = (options = {}) => ({
   commandName: options.commandName || 'test-command',
   user: {
     id: options.userId || 'mock-user-id',
@@ -74,7 +76,7 @@ const createMockInteraction = (options = {}) => ({
  * @param {Object} options - Customization options for the mock client
  * @returns {Object} Mock client object
  */
-const createMockClient = (options = {}) => ({
+export const createMockClient = (options = {}) => ({
   user: {
     id: options.clientId || 'mock-client-id',
     username: options.clientUsername || 'MockBot',
@@ -89,8 +91,3 @@ const createMockClient = (options = {}) => ({
   login: jest.fn().mockResolvedValue('token'),
   destroy: jest.fn().mockResolvedValue(),
 });
-
-module.exports = {
-  createMockInteraction,
-  createMockClient,
-};