Over a two-month period, contributed to meta-llama/llama-stack and related repositories by modernizing CI/CD workflows, improving code quality, and strengthening security practices. Automated SDK builds and standardized generated file headers using Python and YAML, reducing manual intervention and conflicts. Enhanced CI reliability by consolidating branch name computation and introducing fork branch naming policies to prevent workflow collisions. Updated documentation and corrected Python version requirements for the llama-stack-client-python library, clarifying compatibility for users. In January, implemented security-first CI hardening, disabling caches and enforcing trusted action references to mitigate risks from untrusted pull requests, while maintaining standard development workflows and documentation clarity.