SCIPitchforkCreationState

NS_ENUM(NSInteger, SCIPitchforkCreationState) {
    /// Idle — waiting for the first pan gesture.
    SCIPitchforkCreationStateIdle = 0,
    /// Pan 1 active — A is locked, user is dragging toward B.
    SCIPitchforkCreationStateDrawingAB,
    /// Pan 1 finished — A & B locked, waiting for the second pan.
    SCIPitchforkCreationStateWaitingForC,
    /// Pan 2 active — pitchfork renders live as the user drags C.
    SCIPitchforkCreationStateDrawingC,
}