A corporate HR system needs to track intern attendance, manage leave requests, and route approvals through supervisors. The diagram provides a structural blueprint for persistence and business logic.
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Modeled AttendanceRecord as composition from Intern, with a directed association to AttendanceStatus enumeration.
Separated Approval as an entity linked to both AttendanceRecord and Supervisor, with its own decision enumeration.
Included Department and InternshipProgram as aggregate containers for organizational context.
Used an interface ITimeTrackable to abstract clock-in/out behavior for future reuse.
Suitable for designing database schemas, implementing ORM mappings, or serving as a communication artifact between developers and stakeholders for internship attendance software.