The source for the WIP authoring tool is here. https://github.com/adaptlearning/adapt_authoring/tree/develop

I don't know if there is a guide to getting going on it since it's got a password screen? Brian do you have advice on that?

As a small mercy, to help with JSON copy pasting I made a fork that would compile a folder structure containing JSON partials and auto assign id and parents to them To create final structures. You might prefer it as an interim? I do need to merge the latest updates but it's stable as is.

https://community.adaptlearning.org/mod/forum/discuss.php?d=331