definition employee {
    relation manager: employee
    
    permission view_feedback = manager + manager->manager
}

definition peer_feedback {
    relation assignee: employee
    relation review_subject: employee
    relation feedback_published_review_subject: peer_feedback#review_subject

    permission view_meta = review_subject + assignee + review_subject->view_feedback
    permission view_feedback = assignee + feedback_published_review_subject->view_feedback
    permission edit = assignee
}