feat(payments): add Order & Escrow entities with CQRS commands, Prisma schema

- Add Order entity with lifecycle (pending → paid → completed/cancelled/refunded)
- Add Escrow entity with hold/release/dispute flow for secure transactions
- Add PlatformFee value object with tiered commission calculation
- Implement CQRS: CreateOrder, CancelOrder, HoldEscrow, ReleaseEscrow commands
- Add GetOrderStatus query handler
- Add OrdersController with REST endpoints and DTOs
- Add Prisma models for Order, Escrow, EscrowStatusHistory
- Add domain event classes for order and escrow state changes
- Add unit tests for Order, Escrow entities and PlatformFee VO
- Update PROJECT_TRACKER to Wave 14 status

Co-Authored-By: Claude Opus 4 (1M context) <noreply@anthropic.com>

apps/api/src/modules/payments/payments.module.ts

@@ -1,32 +1,52 @@
 import { Module } from '@nestjs/common';
 import { CqrsModule } from '@nestjs/cqrs';
+import { CancelOrderHandler } from './application/commands/cancel-order/cancel-order.handler';
+import { CreateOrderHandler } from './application/commands/create-order/create-order.handler';
 import { CreatePaymentHandler } from './application/commands/create-payment/create-payment.handler';
 import { HandleCallbackHandler } from './application/commands/handle-callback/handle-callback.handler';
+import { HoldEscrowHandler } from './application/commands/hold-escrow/hold-escrow.handler';
 import { RefundPaymentHandler } from './application/commands/refund-payment/refund-payment.handler';
+import { ReleaseEscrowHandler } from './application/commands/release-escrow/release-escrow.handler';
+import { GetOrderStatusHandler } from './application/queries/get-order-status/get-order-status.handler';
 import { GetPaymentStatusHandler } from './application/queries/get-payment-status/get-payment-status.handler';
 import { ListTransactionsHandler } from './application/queries/list-transactions/list-transactions.handler';
+import { ESCROW_REPOSITORY } from './domain/repositories/escrow.repository';
+import { ORDER_REPOSITORY } from './domain/repositories/order.repository';
 import { PAYMENT_REPOSITORY } from './domain/repositories/payment.repository';
+import { PrismaEscrowRepository } from './infrastructure/repositories/prisma-escrow.repository';
+import { PrismaOrderRepository } from './infrastructure/repositories/prisma-order.repository';
 import { PrismaPaymentRepository } from './infrastructure/repositories/prisma-payment.repository';
 import { MomoService } from './infrastructure/services/momo.service';
 import { PaymentGatewayFactory } from './infrastructure/services/payment-gateway.factory';
 import { PAYMENT_GATEWAY_FACTORY } from './infrastructure/services/payment-gateway.interface';
 import { VnpayService } from './infrastructure/services/vnpay.service';
 import { ZalopayService } from './infrastructure/services/zalopay.service';
+import { OrdersController } from './presentation/controllers/orders.controller';
 import { PaymentsController } from './presentation/controllers/payments.controller';
 
 const CommandHandlers = [
+  CancelOrderHandler,
+  CreateOrderHandler,
   CreatePaymentHandler,
   HandleCallbackHandler,
+  HoldEscrowHandler,
   RefundPaymentHandler,
+  ReleaseEscrowHandler,
 ];
 
-const QueryHandlers = [GetPaymentStatusHandler, ListTransactionsHandler];
+const QueryHandlers = [
+  GetOrderStatusHandler,
+  GetPaymentStatusHandler,
+  ListTransactionsHandler,
+];
 
 @Module({
   imports: [CqrsModule],
-  controllers: [PaymentsController],
+  controllers: [OrdersController, PaymentsController],
   providers: [
     // Repositories
+    { provide: ESCROW_REPOSITORY, useClass: PrismaEscrowRepository },
+    { provide: ORDER_REPOSITORY, useClass: PrismaOrderRepository },
     { provide: PAYMENT_REPOSITORY, useClass: PrismaPaymentRepository },
 
     // Gateway Services
@@ -39,6 +59,6 @@ const QueryHandlers = [GetPaymentStatusHandler, ListTransactionsHandler];
     ...CommandHandlers,
     ...QueryHandlers,
   ],
-  exports: [PAYMENT_REPOSITORY, PAYMENT_GATEWAY_FACTORY],
+  exports: [ESCROW_REPOSITORY, ORDER_REPOSITORY, PAYMENT_REPOSITORY, PAYMENT_GATEWAY_FACTORY],
 })
 export class PaymentsModule {}