상황
Models the core interactions between university stakeholders (students, instructors, library staff) and the course reserves system for searching, placing, checking out, returning, and managing reserve items.
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01
Actors are separated into Student, Instructor, and Library Staff to mirror real roles.
02
Library Staff actor uses an alias to avoid identifier issues.
03
Only direct associations are used, avoiding unnecessary complexity from include/extend relationships.
Suitable for academic library systems design documentation, requirements gathering, and training materials.