Worked on stabilizing template event handling in the esphome/esphome repository, focusing on preventing web server crashes caused by null event data. Addressed a critical runtime issue by introducing defensive null checks before dereferencing event objects, both in event handling routines and the get_event_type function. This approach reduced the risk of null pointer exceptions during template-driven automation flows, directly improving system uptime and reliability for users interacting with the web interface. The work involved debugging and C++ development within embedded systems, demonstrating attention to robust error handling and system stability rather than feature expansion during the reported period.