Worked on the eunbi-kim/24_2_W_SeProj repository to establish foundational planning artifacts for upcoming Student Portal features. Focused on creating detailed diagramming and documentation using draw.io and XML, the work centered around visualizing the Student To-Do List and Course Registration flow. No functional code changes were made during this period; instead, the emphasis was on producing clear, traceable diagrams to guide future development and improve team alignment. By committing these planning diagrams with explicit messages, the repository’s documentation was enhanced, providing structured references that will accelerate subsequent implementation and support cross-team understanding of the planned feature architecture.