Hmm. I don’t think that any editor will incorporate convenience methods for updating your discord status into its core. Let alone a deprecated API.
For editors that have a plugin architecture, this might make sense as a plugin – so you could look into creating a PDE Tool for this. However I’m not sure what kind of status info you want. PDE may not be architected in a way that much information about the editor itself is exposed to a tool.
An alternative: edit and run Processing sketches in Visual Studio / VS Code.
https://www.google.com/search?q=processing.org+visual+studio+code
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