Over a two-month period, this developer focused on infrastructure improvements and API modernization across multiple repositories. In Mbed-TLS/mbedtls-framework and zephyrproject-rtos/mbedtls, they refactored and reorganized shell-based test tooling, relocating scripts to improve maintainability and streamline repository structure without affecting runtime behavior. Their work reduced maintenance overhead and clarified test ownership, laying groundwork for scalable automation. In espressif/TF-PSA-Crypto, they updated documentation to guide users through the migration from low-level crypto functions to the PSA API and modernized the benchmark suite for compatibility with current MBEDTLS standards, leveraging C, shell scripting, and documentation best practices throughout.