It’s an M2. I’m using asahi alarm. Wifi, audio, webcam etc all working. External devices like docks and dongle support saw great improvements compared to MacOS. You now have the option to use an external wifi dongle, it will work out of the box.

I installed Arch on my macbook pro and simply write the maximum charge value to a file and it worked flawlessly. The macbook has great hardware. MacOS is holding it back

I’d recommend

https://github.com/roflcoopter/viseron

Checks all the boxes: local storage and streaming, detection, recognition.

Should work fine with most cameras, but configuration is via YAML only, no GUI.

You can try a DDNS service to get a fixed domain name bound to your dynamic IP. Most modern routers support a few providers, try looking in the settings. They are mostly free for personal use.

I’m using one of these “shady” cameras that have good reviews. Yes they require an internet connection to set up but once you are done you can just wall them off from the internet and stream locally to your box ;)