/**
 * Billing Domain
 *
 * Exports billing contracts + schemas.
 *
 * Provider adapters (BFF-only) live under: `@customer-portal/domain/billing/providers`.
 *
 * Types are derived from Zod schemas (Schema-First Approach)
 */

// Constants
export { INVOICE_STATUS } from "./contract.js";
export * from "./constants.js";

// Schemas (includes derived types)
export * from "./schema.js";
