Over a two-month period, this developer enhanced the build infrastructure for the au-ts/lionsos and au-ts/sddf repositories, focusing on modularity, maintainability, and network capability. They refactored FAT and MicroPython build processes into reusable Makefile snippets, streamlined memory management, and integrated lwIP networking for sDDF clients. Their work included header guard improvements, dependency management, and stabilization of the build pipeline using C, Makefile, and Python. By addressing build reliability and MUSL integration, they reduced duplication and build failures, enabling more deterministic cross-repo builds. These efforts improved system integration, accelerated iteration cycles, and facilitated smoother continuous integration workflows.