This (very rudimentary) script autodetects your default microphone and an app of your choosing's output into a virtual microphone. This allows you to both talk and play music in games or voice calls through your microphone.
Limitations:
- Chromium/Electron apps are really weird with PipeWire and all look the same in the output list.
- Pipewire will only list apps that are CURRENTLY playing audio. It would probably be possible to make it loop and collect multiple apps to pick from over a 5 second span, but this script was designed to be fast and easy.
Cool name credit goes to: Justin Li