/**
 * ViewModel Builder Contract
 * 
 * Purpose: Transform API Transport DTOs into ViewModels
 * 
 * Rules:
 * - Deterministic and side-effect free
 * - No HTTP/API calls
 * - Input: API Transport DTO
 * - Output: ViewModel
 * - Must be in lib/builders/view-models/
 * - Must be named *ViewModelBuilder
 * - Must have 'use client' directive
 * - Must implement static build() method
 */

export interface ViewModelBuilder<TInput, TOutput> {
  /**
   * Transform DTO into ViewModel
   * 
   * @param dto - API Transport DTO
   * @returns ViewModel
   */
  build(dto: TInput): TOutput;
}