The tech world holds its breath as a 12-person jury reached a verdict in a landmark trial that could reshape how social media giants design their apps.The case, K.G.M. v. Meta & YouTube, pits a 20-year-old woman against two of the world’s most powerful platforms, claiming their products were deliberately built to be addictive.The plaintiff says features like infinite scroll and autoplay hooked her from childhood, fueling depression, anxiety and mental health struggles.For weeks, jurors heard firsthand how K.G.M.