Step 05 — Hardening

- CorrelationId VO pour le tracing inter-BC
- IdempotencyStore (interface + InMemory) pour garde d'idempotence
- correlationId ajouté aux contrats Published Language (retro-compatible par défaut)
- Consumers Invoicing et LegacyFulfillment idempotents avec logging
- MessengerSalesEventPublisher propage les correlationIds
- Tests unitaires idempotence + tests d'intégration consommateurs idempotents

tests/Integration/LegacyFulfillmentAclTest.php

@@ -11,6 +11,7 @@ use MiniShop\LegacyFulfillment\Infrastructure\AntiCorruption\LegacyShipmentAcl;
 use MiniShop\LegacyFulfillment\Infrastructure\Gateway\FakeLegacyFulfillmentGateway;
 use MiniShop\LegacyFulfillment\Infrastructure\Persistence\InMemoryShipmentRequestRepository;
 use MiniShop\LegacyFulfillment\Interfaces\Messaging\WhenOrderConfirmed;
+use MiniShop\Shared\Technical\InMemoryIdempotencyStore;
 use MiniShop\Shared\Technical\SystemClock;
 use PHPUnit\Framework\TestCase;
 
@@ -28,6 +29,7 @@ final class LegacyFulfillmentAclTest extends TestCase
         $consumer = new WhenOrderConfirmed(
             new LegacyShipmentAcl(),
             new RequestShipmentFromSalesOrderHandler($shipmentRepo, $gateway, new SystemClock()),
+            new InMemoryIdempotencyStore(),
         );
 
         $consumer(new OrderConfirmed(