feat: ( payment ) create payment microservice

packages/payment-providers/src/index.ts

@@ -0,0 +1,50 @@
+// Re-export the shared, ORM-agnostic payment contract from @edr/types so consumers can
+// import enums, interfaces, and providers from a single entry point.
+export {
+  ProviderPaymentStatus,
+  ProviderMethod,
+} from '@edr/types';
+export type {
+  PaymentProvider,
+  ProviderInitiationInput,
+  ProviderInitiationResult,
+  ProviderStatus,
+  ClientAction,
+  PaymentPlatform,
+} from '@edr/types';
+
+// Providers
+export { TelebirrProvider } from './providers/telebirr/telebirr.provider';
+export { CbeBirrProvider } from './providers/cbe-birr/cbe-birr.provider';
+export { EBirrProvider } from './providers/ebirr/ebirr.provider';
+export { CardProvider } from './providers/card/card.provider';
+export { WaafiProvider } from './providers/waafi/waafi.provider';
+
+// Telebirr crypto + types (exported for apps that build/verify signatures directly)
+export {
+  buildCanonicalString,
+  signRequestObject,
+  verifyRequestObject,
+  signString,
+  verifySignature,
+  createTimestamp,
+  createNonceStr,
+  createMerchantOrderId,
+} from './providers/telebirr/telebirr.crypto';
+export type {
+  FabricTokenResponse,
+  CreateOrderRequest,
+  CreateOrderResponse,
+  QueryOrderResponse,
+  TelebirrTradeStatus,
+} from './providers/telebirr/telebirr.types';
+
+// Webhook payload types
+export type { TelebirrWebhookPayload } from './webhooks/telebirr-webhook.types';
+export type { CbeBirrWebhookPayload } from './webhooks/cbe-birr-webhook.types';
+export type { EBirrWebhookPayload } from './webhooks/ebirr-webhook.types';
+export type { CardWebhookPayload } from './webhooks/card-webhook.types';
+export type { WaafiWebhookPayload } from './webhooks/waafi-webhook.types';
+
+// DI token for injecting all providers as an array (future multi-provider wiring)
+export const PAYMENT_PROVIDERS = Symbol('PAYMENT_PROVIDERS');