Contributed to the sejongsmarcle/2025_Junior_ML_Study repository by developing two documentation-focused features aimed at improving onboarding and knowledge sharing. Delivered a self-introduction file in Markdown using a Q&A format, enabling contributors to present themselves within the project context. Also created structured weekly assignment documentation with integrated external resource links to support ongoing learning. Emphasized clean, maintainable commit history and consistent naming conventions to enhance traceability and review efficiency. Focused exclusively on documentation, leveraging Markdown and Git-based version control to produce discoverable artifacts that facilitate faster ramp-up for new contributors and clearer project alignment, without requiring any bug fixes.