SITUATION EXPLAINED: Meta will pay up to $16.7 billion over claims it designed Instagram to addict children. • The deal landed mid-trial in Oakland, in the second week, after Instagram head Adam Mosseri testified Monday and Tuesday and before Zuckerberg could be called • At least $12.1 billion over ten years, plus another $5 billion if other major social media companies don't adopt comparable child-safety measures • Meta's own pre-trial filing put its exposure at $1.4 trillion. The states said…