It runs on the mini but through the rPi.  Using the rPi as server to Mac kstars client the internal guider works fine.  I have a wired Ethernet connection so the lag for guide camera image files is not really a problem.  My wording was a little ambiguous kstars and ekos run on the Mac and control everything (including auto guide).   The rPi serves up the devices (mount, cameras, etc) to the Mac.

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