/**
 * Order Events - Shared Contracts
 *
 * Shared event payloads for Server-Sent Events used by both the BFF
 * and the frontend. Keeping these definitions in the domain package
 * guarantees both layers stay in sync when the payload evolves.
 */

export type OrderUpdateStage = "started" | "in_progress" | "completed" | "failed";

export interface OrderStreamEvent<T extends string = string, P = unknown> {
  event: T;
  data: P;
}

export interface OrderUpdateEventPayload {
  orderId: string;
  status?: string;
  activationStatus?: string | null;
  message?: string;
  reason?: string;
  stage?: OrderUpdateStage;
  source?: string;
  timestamp: string;
  payload?: Record<string, unknown> | null;
}