Update your Discord app/bot is profile for global/server specific.

update.js

import { Client, Events, GatewayIntentBits } from "discord.js";

const BOT_TOKEN = "";	// Your Discord bot token
const GUILD_ID = ""; 	// Optional: target guild to clear overrides

const APP_AVATAR = "";	// Application avatar
const BOT_AVATAR = "";	// Bot avatar
const BANNER_URL = "";	// Application banner

const APP_BIO = ""; 	// App description
const APP_TAGS = [];	// App tags

if (!TOKEN) {
	throw new Error("BOT_TOKEN is required in env.");
}

const client = new Client({ intents: [GatewayIntentBits.Guilds] });

client.once(Events.ClientReady, async () => {
	console.log(`Logged in as ${client.user?.tag}`);

	try {
		// Ensure application is fetched to access edit()
		await client.application?.fetch();

		if (!client.application) {
			throw new Error("client.application is not available.");
		}

		// Update global application profile
		// You can pass URL strings or a Buffer for avatar/banner.
		await client.application.edit({
			icon: APP_AVATAR_URL,
			// description: APP_BIO,
			// tags: APP_TAGS
		});

		client.user.setAvatar(BOT_AVATAR);
		client.user.setBanner(BANNER_URL);

		console.log("✅ Application profile updated.");

		// Optionally clear guild-specific member profile overrides so global avatar shows
		if (GUILD_ID) {
			const guild = await client.guilds.fetch(GUILD_ID);
			const me = await guild.members.fetchMe();

			if (!me) throw new Error("Bot is not in the guild or fetchMe failed.");

			// Clear guild profile overrides (nick/avatar/banner/bio)
			await me.edit({
				nick: null,
				avatar: null,
				banner: null,
				bio: null,
			});

			console.log("✅ Cleared guild-specific profile overrides.");
		}
	} catch (err) {
		console.error("❌ Failed to update profile:", err);
	} finally {
		// Give Discord a moment to accept changes, then destroy the client
		setTimeout(() => client.destroy(), 1000);
	}
});

client.login(TOKEN);