lami/backend/src/shared/errors/app-error.ts

export class AppError extends Error {
  public readonly statusCode: number;
  public readonly errorCode: string;
  public readonly details?: unknown;

  constructor(statusCode: number, errorCode: string, message: string, details?: unknown) {
    super(message);
    this.name = 'AppError';
    this.statusCode = statusCode;
    this.errorCode = errorCode;
    this.details = details;
    Object.setPrototypeOf(this, AppError.prototype);
  }
}