@Bart FYI I'm working on a TUI app at the moment that allows you to remote control HISE and perform all kinds of actions - the same command set is also exposed as an CLI interface for the LLM to use (and you can use the TUI app as a "log viewer" to trace back what the LLM did).
This will include a feature complete builder mode with full undo support where you can add / remove modules and change parameters from the command line: