The "Velja" app already lets you do pretty much what you are looking for. You can set rules like "If link is from [App], open in [Browser]". Since Orion profiles are setup to show as different applications, this does seem to work without any extra hassle.
Welcome to the club.
https://orionfeedback.org/d/4812-youtube-shorts-do-not-autoplay
Actually, I just realised that this only happens in keychain if the websites share the domain name. A better example would be bitwarden, where you can share logins between websites such as math.stackexchange.com and stackoverflow.com
try disabling this in settings:
you probably have diff behavior bc u changed settings on orion. the default is preventing autoplay with sound
