phantom cookies: now cookies are PERSISTENT as expected

script-FIXED.js

var page = require('webpage').create();
phantom.cookiesEnabled = true;
console.log('\n\n cookies we know about => \n\n' + JSON.stringify(phantom.cookies, null, 2));

// spoof user-agent
page.settings.userAgent = 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20100101 Firefox/12.0';

const USER = 'cvUg338yQa';
const PASS = 'GNyoqNKJK5';

page.onLoadFinished = function() {
  var user = page.evaluate(function () {
    return $('span.user').children('a').html();
  });

  if (user !== USER) {
    console.log('Need to Login...');
    page.evaluate(function(username, password) {
      $('input[name="user"]:first').attr('value', username);
      $('input[name="passwd"]:first').attr('value', password);
      document.querySelector("#rem-login-main").checked="checked";      //<------- this is what you need to make Cookies persiste beyond the Session
      $("form#login_login-main").submit();
    }, USER, PASS);
  } else {
    console.log('Logged in!');
    phantom.exit();
  }
};

page.open('http://www.reddit.com');