Habitica Due Default Tampermonkey script. Make sure to run on `document-idle` in settings

script.js

// ==UserScript==
// @name         Habitica Due Default
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Automatically switch to Due tab in Dailies section
// @author       ElnuDev
// @match        https://habitica.com/
// @icon         https://www.google.com/s2/favicons?sz=64&domain=habitica.com
// @grant        none
// ==/UserScript==

document.onreadystatechange = () => {
    if (document.readyState == "complete") {
        document.querySelector(".daily .filters :nth-child(2)").click();
    }
};