You could look at setting up a discord bridge on the matrix server to bridge messages between the two. Pine64 have had something like that for quite a while on their discord & matrix.
Also echoing what’s been said already, I did initially think this was some air pods style product from Pine64, as they prefix almost anything they make with Pine
Why even bother having swap at that point?
I use Arch on a Framework 13 and 125% scaling in KDE. It works fine and I honestly forget that it’s not at 100% scale. The only big issue I’ve seen is when you have multiple monitors with different scaling, some applications can get a bit confused, especially if the edge of the window is touching the edge between two monitors with different scaling.
You should be able to update the config file for SearXNG to add the port to the URL. Then just restart SearXNG; removing and re-adding the search engine to Firefox should make sure it’s updated to use the correct port.
In the settings.yml file, under the server: section is the setting you want to change:
base_url: http://192.168.1.65:8887/
Leave port: unchanged
Is the stove located somewhere with a decent WiFi connection? It seems like it would be easier to use ESPHome and an ESP32 board to integrate a complicated one-off device
Arch Linux is the same as the other day I think I will be in the office tomorrow so I can do it for you and you will be able to get it on the way to the office