Yes, its possible One of the finest docs for SPA with AEM with details by Sivaramhttp://www.computepatterns.com/1066/building-single-page-application-spa-with-adobe-experience-manager-aem/

You can log it I guess console.log(SCFConsole)Being Initialized in this file /libs/social/console/components/clientlibs/consoleinit/clientlibs/console.js

Can you log the value of title variable inside setTitle() when using settimeout, I doubt if DOM element you are using is ready when it execute.

is this the fresh instance of load18?

Possible to share screenshot?Can you reproduce this in 6.3 we retail OOTB component?

You can refer to the code here, it shows this use casehttp://www.adobeaemclub.com/touch-ui-dynamic-selection-of-multiple-drop-downs-in-aem-6-1/

Jackrabbit API provide method ismemberof which can you tell which group is current user part of.https://jackrabbit.apache.org/api/2.8/org/apache/jackrabbit/api/security/user/Authorizable.html#memberOf() Also worth taking a look athttps://jackrabbit.apache.org/oak/docs/security/user.html

AFAIK, there is no issue with login for load18 Though you might be hitting AEM 6.4 beta, default login is not working Make sure you do not have any space in path to jar file else it will through an crypto exception in stderr.logReferences from Windows OSPath with spaces - C:\AEM Stuff\aem 6.4 - will...

Major challenges would be component, script, dependencies, api difference.When a API is deprecated, it's easy to make it available in future version so that at least upgrading a product does not break anything.But what you are referring is backport a lot of component, script, dependencies, api diffe...

I am not sure why you are complicating it.Treat it as one of the configuration page. Build a search component, (should be able to leverage from OOTB)Put it on a template for author. Restrict the access to it and don't publish this page.Thanks