Lishuai delivered a Wi-Fi sleep current optimization feature for the ESP32C5 chip in the espressif/esp32-wifi-lib repository, targeting both eco1 and beta3 hardware revisions. The work involved applying binary-level updates across multiple ESP32 variants to reduce sleep current, directly addressing power management challenges in low-power IoT applications. Using expertise in embedded systems and Wi-Fi optimization, Lishuai ensured consistent power efficiency improvements through cross-variant library updates and commit-driven development. The solution enhanced device battery life potential and provided a stronger value proposition for energy-constrained deployments, with ongoing monitoring planned to quantify real-world power savings and validate the engineering approach.