You could use Node-Red for the front end to run a Python script to issue a remote service restart commands either with a native library or by leveraging PSService from SysInternals.

Raspberry Pi for Home Assistant. And a second hand engineering workstation off eBay for everything else. Take a look at the Lenovo P700.

Depends on the cost, and if chassis style it in (IE can you put more than one drive in it).