refactor: Update command registration to v14

deploy-commands.js

@@ -1,7 +1,6 @@
 const fs = require('node:fs');
 const path = require('node:path');
-const { REST } = require('@discordjs/rest');
-const { Routes } = require('discord-api-types/v9');
+const { REST, Routes } = require('discord.js');
 const { clientId, guildId, token, local } = require('./config.json');
 
 const commands = [];
@@ -11,10 +10,14 @@ const commandFiles = fs.readdirSync(commandsPath).filter(file => file.endsWith('
 for (const file of commandFiles) {
     const filePath = path.join(commandsPath, file);
     const command = require(filePath);
-    commands.push(command.data.toJSON());
+    if ('data' in command && 'execute' in command) {
+        commands.push(command.data.toJSON());
+    } else {
+        console.log(`[WARNING] The command at ${filePath} is missing a required "data" or "execute" property.`);
+    }
 }
 
-const rest = new REST({ version: '9' }).setToken(token);
+const rest = new REST().setToken(token);
 
 if (local === true) {
     rest.put(Routes.applicationGuildCommands(clientId, guildId), { body: commands })