WhatsApp Business for iOS dies after 16 seconds when a companion device is linked

This is a writeup, mostly generated by AI and follows the writing style of good old MSDN forums and announcements. I've been blocked from using WhatsApp web for weeks now because of this, so I decided to release the writeup that somewhat unblocked me, if someone else is facing this too. It has been lightly edited, but mostly is the result of two independent investigation sessions conducted using…