export interface CanvasNode {
    type: 'group' | 'text';
    id: string;
    x: number;
    y: number;
    width: number;
    height: number;
    color?: string;
    label?: string;
    text?: any;
};
export interface CanvasEdge {
    id: string;
    fromNode: string;
    fromSide: 'bottom' | 'top' | 'left' | 'right';
    toNode: string;
    toSide: 'bottom' | 'top' | 'left' | 'right';
    color?: string;
    label?: string;
};