export interface WbsNode {
  id: number;
  code: string;
  name: string;
  level: number;
  parentId?: number;
  children?: WbsNode[];
}

export interface WbsVersion {
  id: number;
  projectId: number;
  versionNumber: number;
  effectiveDate: string;
  status: string;
  nodeCount?: number;
}
