Add reviewer, artifact store, and paginated queries

tests/unit/test_worker_gateway.py

@@ -10,6 +10,7 @@ from ai_orchestrator.application.services.workers import (
     WorkerService,
 )
 from ai_orchestrator.infrastructure.storage.memory import (
+    InMemoryArtifactStore,
     InMemoryEventStore,
     InMemoryInvocationStore,
     InMemoryWorkerRepository,
@@ -22,22 +23,25 @@ def _build_gateway() -> tuple[
     InMemoryWorkerRepository,
     InMemoryEventStore,
     InMemoryInvocationStore,
+    InMemoryArtifactStore,
 ]:
     worker_repository = InMemoryWorkerRepository()
     event_store = InMemoryEventStore()
     invocation_store = InMemoryInvocationStore()
+    artifact_store = InMemoryArtifactStore()
     service = WorkerService(worker_repository=worker_repository, event_store=event_store)
     gateway = CapabilityAwareWorkerGateway(
         worker_repository=worker_repository,
         event_store=event_store,
         invocation_store=invocation_store,
+        artifact_store=artifact_store,
         connection_manager=InMemoryWorkerConnectionManager(),
     )
-    return gateway, service, worker_repository, event_store, invocation_store
+    return gateway, service, worker_repository, event_store, invocation_store, artifact_store
 
 
 def test_worker_gateway_dispatches_and_completes_command() -> None:
-    gateway, service, worker_repository, event_store, invocation_store = _build_gateway()
+    gateway, service, worker_repository, event_store, invocation_store, _ = _build_gateway()
     response = service.register(
         RegisterWorkerRequest(
             worker_id="worker_home_pc",
@@ -80,7 +84,7 @@ def test_worker_gateway_dispatches_and_completes_command() -> None:
 
 
 def test_worker_gateway_rejects_unsupported_capability() -> None:
-    gateway, service, _, _, _ = _build_gateway()
+    gateway, service, _, _, _, _ = _build_gateway()
     response = service.register(
         RegisterWorkerRequest(
             worker_id="worker_home_pc",
@@ -103,7 +107,7 @@ def test_worker_gateway_rejects_unsupported_capability() -> None:
 
 
 def test_worker_service_heartbeat_and_stale_tracking() -> None:
-    _, service, worker_repository, event_store, _ = _build_gateway()
+    _, service, worker_repository, event_store, _, _ = _build_gateway()
     response = service.register(
         RegisterWorkerRequest(
             worker_id="worker_home_pc",