Hi,
I have reviewed the Tests.py file and learned a whole lot more about the Orthanc REST API capabilities. :)
Also, I checked Aditya's GitHub repo and I believe I have covered what was already there and in the new OpenApi v3 format.
Here's an enhanced version of the schema attached to this post. I will look at creating a BitBucket/hg patch request if that's preferred.
I know that it's still missing areas such as media, archive, protected, orthanc metadata, attachments, all the tools, shared tags, modules, XML content types and instance reconstruction. If I have time, I can take a look at those. Alternatively, I could raise an issue to track these.
Cheers,
Chris