You can use ACS Commons Query Packagehttps://adobe-consulting-services.github.io/acs-aem-commons/features/packagers/query-packager/index.html

The one you are referring is the summit lab session given by folks on 6.3.https://helpx.adobe.com/experience-manager/6-2/sites/deploying/using/best-practices-for-queries-and-indexing.html

You should correct that code with two changes1. Closing braces - line 72. and available browser objects for document and $ - line 9Updated code(function ($, $document) {    "use strict";    $document.on("dialog-ready", function() {        console.log("TEST");    }); })($, $(document));

Answer is No, if you are looking for text formatting features like photoshop.

If you know the path, make a request directly from browser with .json without servlet/service. I am assuming this is only author specific case.

Did you check hasProperty()https://docs.adobe.com/docs/en/spec/jsr170/javadocs/jcr-2.0/javax/jcr/Node.html#hasProperty(java.lang.String)

I haven't used this particularly for dialog but look at this Granitehttps://helpx.adobe.com/experience-manager/6-3/sites/developing/using/reference-materials/granite-ui/api/jcr_root/libs/granite/ui/docs/server/rendercondition.htmlhttps://helpx.adobe.com/experience-manager/6-3/sites/developing/using/...

Here is the session recording where it was shown in 6.3https://helpx.adobe.com/experience-manager/kt/eseminars/ask-the-expert/aem-content-services.html?cq_ck=1522190528810https://helpx.adobe.com/experience-manager/kt/eseminars/ask-the-expert/aem-content-services.html?cq_ck=1522190528810

It works with 6.3 as well provided all Feature packs has been installed properly.List of packages for 6.3 :- Dependencies and Downloads Note: The following AEM Packages must be installed on BOTH AEM Author and AEM Publish.     Installation on AEM 6.3 SP1      Using AEM's Package Manager install th...

1. Version for CF are stored in similar as it does for pages under /jcr:system/jcr:versionStorage2. You would have to revert to previous version.3. Specific version - API to get any particular version of CF https://helpx.adobe.com/experience-manager/6-3/sites/developing/using/reference-materials/jav...