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

Yeah, it’s not FOSS, but sleep as android is great. You can set various “captchas” that need to be completed to turn the alarm off, you can connect it to smart home stuff to turn on/off lights or open curtains and the general customisability for the alarm settings is extensive.