Worked on the meshtastic/firmware repository to enhance the robustness of Lora module configuration handling in embedded systems. Addressed a critical bug by implementing strict, fail-fast validation for module names during configuration loading, using C++ and YAML. The solution ensured that if an unknown module was specified, the system would log an explicit error and terminate, rather than defaulting to a simulation mode. This approach improved error visibility and reduced production risk by preventing devices from booting with invalid configurations. The work focused on increasing reliability and observability, enabling faster diagnosis and safer deployment in embedded environments.