stateDiagram-v2
    [*] --> Draft
    Draft --> Open: Officer opens signups
    Open --> Closed: Deadline reached or officer closes signups
    Closed --> Open: Officer reopens before raid start
    Open --> InProgress: Raid begins
    Closed --> InProgress: Raid begins
    InProgress --> Completed: Officer finalizes attendance
    Draft --> Cancelled: Officer cancels
    Open --> Cancelled: Officer cancels
    Closed --> Cancelled: Officer cancels
    Completed --> [*]
    Cancelled --> [*]