Lair Beast Lyre Embigginator

// ==UserScript==
// @name         Lair Beast Lyre Embigginator
// @namespace    http://tampermonkey.net/
// @version      22/6/26
// @description  Increases the size of the lyre and moves it to the middle of the screen. Allows you to go straight to the Lair Beast from the entrance and auto mutes the tab.
// @author       Rippy
// @match        http*://*.neopets.com/prehistoric/thebeast.phtml*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=neopets.com
// @grant        GM_audio
// ==/UserScript==

(function() {
    'use strict';

    // Change true to false if you don't want the tab to automatically mute
    const MUTE = true;

    if (MUTE) {
        GM_audio.setMute({ isMuted: true }, function(err) { // just copied wholesale from the documentation
            if (err) console.error('mute failed:', err);
            else console.log('tab muted');
        });
    }

    if (!$(".lair-beast-timer").length) { // if not on cooldown
        let clickCount = 0;
        $("#LairBeastStep1 > .button-grid2__2020").before(`<div style="display:grid; grid-template: auto; grid-gap:10px; margin:10px auto; width: 90%; max-width:480px;"><button class="button-default__2020 button-green__2020"  onclick="proceedForward('4')" onkeyup="clickElement(event)">Go straight to the Lair Beast!</button></div>`);
        $($("#LairBeastStep1 > p")[1]).append(`<br><br><b>Note: </b>If you have not completed The Void Within's Epilogue yet, click on "Enter the Cave" just to be safe!`);
        $("#LairBeastLyre").append("<div id='lyrecount' style='position:relative;'></div>");
        const updateDisplay = () => {
            if ($("#LairBeastLyre").is(":visible")) {
                $("#LairBeastLyre").css({ width: "200px", height: "200px", position: "absolute", top: "50%", left: "50%", transform: "translate(-50%, -50%)"});
                $("#lyrecount").html(`<p style='color:white; font-size:25px; font-family:Cafeteria;'>Clicked ${clickCount}/5 times</p>`);
            }
        };
        const _clickLyre = clickLyre;
        clickLyre = () => {
            _clickLyre();
            clickCount++;
            updateDisplay();
        };
        if ($("#LairBeastLyre")) {
            setInterval(updateDisplay, 10); // mutation observer doesn't seem to fire reliably on LairBeastStep4, cba to investigate since you get like 1 attempt per day
        }
    }
})();