Type Alias Command

Command:
    | { entity: NewEntity; id?: EntityId; op: "createEntity" }
    | { id: EntityId; op: "updateEntity"; patch: EntityPatch }
    | { mode?: EditMode; op: "setParams"; values: ParamValue[] }
    | {
        ids: EntityId[];
        op: "transform";
        policy?: TransformPolicy;
        transform: Affine;
    }
    | { ids: EntityId[]; op: "delete"; policy?: DeletePolicy }
    | { id: EntityId; index: number; op: "reorder" }
    | { constraint: ConstraintSpec; id?: ConstraintId; op: "addConstraint" }
    | {
        id: ConstraintId;
        op: "updateConstraint";
        patch: {
            enabled?: boolean;
            label?: string;
            rule?: RuleSpec;
            strength?: Strength;
        };
    }
    | { id: ConstraintId; op: "removeConstraint" }
    | { id?: LayerId; name: string; op: "addLayer" }
    | {
        id: LayerId;
        op: "updateLayer";
        patch: {
            color?: Color;
            locked?: boolean;
            name?: string;
            visible?: boolean;
        };
    }
    | { id: LayerId; op: "removeLayer" }
    | { id: LayerId; index: number; op: "moveLayer" }
    | { id?: GroupId; members: EntityId[]; name?: string; op: "group" }
    | { id: GroupId; op: "ungroup" }
    | { clipboard: Clipboard; offset: Point; op: "paste" }
    | { at: Point; at2?: Point; id: EntityId; op: "split" }
    | { cutters: EntityId[]; id: EntityId; op: "trim"; pick: Point }
    | { boundaries: EntityId[]; end: CurveEnd; id: EntityId; op: "extend" }
    | {
        op: "setSettings";
        patch: {
            displayUnit?: LengthUnit;
            gridSpacing?: number;
            timeAxis?: TimeAxis;
            title?: string;
        };
    }