Not at the moment. But it sounds interesting, I’ve been thinking about trying to implement interprocess communication for a long time.
For a user, it might look like this obsnotifier.exe custom_toast "My title" "My notification text".
Definitely! I've made myself a little yt-dlp script that downloads in the background whatever is in my clipboard and I was looking for some toast options but realized I had everything windows related disabled due to bloat and sound effects aren't always audible depending on the situation.
Figured I might as well make use of obs-n since it's always running anyways. For OBS I always kept the default icon and just changed the color, but I believe when it comes to other toasts, being able to have the text and icons replaced by said command would be pretty nice.
Either way, great to see you're considering it, I'm looking forward to what might come :)