LiDAR Arms Race & Cost-Performance Trap: The Strategy Behind GAC S7 Upgrade

192-line LiDAR, a 38.8kWh battery pack, and a blue light for smart driving. These "upgrade" details for the Trumpchi Xiangwang S7 PHEV before its July 22 launch seem like routine annual model refreshes, but placed within the smart driving landscape of late 2025, they are a signal worth pondering.