Worked on enhancing the liguodongiot/transformers repository by delivering a comprehensive documentation update for the Gemma3n Activation Sparsity feature. Focused on improving clarity and usability, the update provided engineers and data scientists with a precise reference for understanding activation sparsity within the model architecture. Emphasized documentation best practices using Markdown, ensuring alignment with project standards and facilitating smoother onboarding for new users. No bug fixes were addressed during this period, as the primary goal was to reduce support overhead and enable correct feature usage. Demonstrated disciplined version control and maintained high documentation quality throughout the development process.