I run audio and video through tunnels just fine. Last I checked they dropped the requirements for HTML only content and as long as you don’t abuse the service and cache too much data you’re OK with video and audio content.

I have those exact micros and that exact keyboard

You can run Bazarr alongside Sonarr to automatically search for subs if they aren’t encoded in the file.

https://www.bazarr.media/

Quite a lot of work went into your program, I bet you learned some good code while writing it. I’ve used a simple Windows program called Easy Net Monitor. You can specify IP address or hostname connectivity tracking with email alerts.

https://easynetmonitor.en.lo4d.com/windows