Here is a simple userscript that you could use until this functionality is implemented:
// ==UserScript==
// @name Stack Exchange, Improved Search From Profile
// @author Glorfindel
// @version 0.1
// @match *://*.stackexchange.com/users/*
// @match *://*.stackoverflow.com/users/*
// @match *://*.superuser.com/users/*
// @match *://*.serverfault.com/users/*
// @match *://*.askubuntu.com/users/*
// @match *://*.stackapps.com/users/*
// @match *://*.mathoverflow.net/users/*
// @exclude *://stackoverflow.com/c/*
// @exclude *://chat.stackexchange.com/*
// @exclude *://chat.stackoverflow.com/*
// @exclude *://chat.meta.stackexchange.com/*
// @exclude *://stackexchange.com/*
// @exclude *://api.stackexchange.com/*
// @exclude *://data.stackexchange.com/*
// @exclude *://winterbash*.stackexchange.com/*
// @grant none
// ==/UserScript==
/* global $ */
(function() {
"use strict";
let search = $("#search input")[0];
let params = new URLSearchParams(window.location.search);
switch (params.get('tab')) {
case 'answers':
search.value += ' is:a';
break;
case 'bookmarks':
search.value = search.value.replace('user:', 'inbookmarks:');
break;
case 'questions':
search.value += ' is:q';
break;
case 'tags':
// only works for own tags
if (search.value == 'user:' + StackExchange.options.user.userId) {
search.value = 'intags:mine';
}
break;
}
})();