Tesla Inc. sued a former engineer with the company’s highly secretive Optimus program, accusing him of stealing confidential information about the humanoid robot and setting up a rival startup in Silicon Valley. Zhongjie “Jay” Li worked at Tesla between August 2022 and September 2024, according to a complaint filed in a San Francisco Federal Court late on Wednesday. Li worked on “advanced robotic hand sensors—and was entrusted with some of the most sensitive technical data in the program,” Tesla...