****** that Sony hasn't responded back to your question. It is an intersting scenario you have presented.
Low light and 4K don't mix well so I am assuming you're shooting in HD. If that is the case could you use an external HDMI attached 5-7" monitor and the regular IR remote control which comes with the camera? That remote will allow zoom and start\stop.
Option 2 - There is a Sony tripod I think it is like $100 or so. Neat thing is it comes with a handheld remote control which plugs into a proprietary port which with a long cable can also control the camera. I'm sure this is not the answer you are looking for but just thought I might have some options which could help.
https://www.bhphotovideo.com/c/product/913251-REG/sony_vctvpr1_remote_control_tripod.html