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

jest.setup.js

@@ -1,39 +1,41 @@
+import { jest } from '@jest/globals';
+
 // Mock Discord.js Client and other commonly used classes
 jest.mock('discord.js', () => ({
-    Client: jest.fn(() => ({
-        login: jest.fn().mockResolvedValue('token'),
-        destroy: jest.fn().mockResolvedValue(),
-        on: jest.fn(),
-        once: jest.fn(),
-        user: {
-            setActivity: jest.fn()
-        }
-    })),
-    Collection: jest.fn(() => ({
-        get: jest.fn(),
-        set: jest.fn(),
-        has: jest.fn(),
-        delete: jest.fn()
-    })),
-    GatewayIntentBits: {
-        Guilds: 1,
-        GuildMessages: 2,
-        MessageContent: 3
+  Client: jest.fn(() => ({
+    login: jest.fn().mockResolvedValue('token'),
+    destroy: jest.fn().mockResolvedValue(),
+    on: jest.fn(),
+    once: jest.fn(),
+    user: {
+      setActivity: jest.fn(),
     },
-    Events: {
-        ClientReady: 'ready',
-        InteractionCreate: 'interactionCreate'
-    },
-    SlashCommandBuilder: jest.fn().mockReturnValue({
-        setName: jest.fn().mockReturnThis(),
-        setDescription: jest.fn().mockReturnThis(),
-        addStringOption: jest.fn().mockReturnThis(),
-        addIntegerOption: jest.fn().mockReturnThis(),
-        addUserOption: jest.fn().mockReturnThis()
-    })
+  })),
+  Collection: jest.fn(() => ({
+    get: jest.fn(),
+    set: jest.fn(),
+    has: jest.fn(),
+    delete: jest.fn(),
+  })),
+  GatewayIntentBits: {
+    Guilds: 1,
+    GuildMessages: 2,
+    MessageContent: 3,
+  },
+  Events: {
+    ClientReady: 'ready',
+    InteractionCreate: 'interactionCreate',
+  },
+  SlashCommandBuilder: jest.fn().mockReturnValue({
+    setName: jest.fn().mockReturnThis(),
+    setDescription: jest.fn().mockReturnThis(),
+    addStringOption: jest.fn().mockReturnThis(),
+    addIntegerOption: jest.fn().mockReturnThis(),
+    addUserOption: jest.fn().mockReturnThis(),
+  }),
 }));
 
 // Mock environment variables
 process.env.DISCORD_TOKEN = 'mock-token';
 process.env.CLIENT_ID = 'mock-client-id';
-process.env.GUILD_ID = 'mock-guild-id';
+process.env.GUILD_ID = 'mock-guild-id';