Add reviewer, artifact store, and paginated queries

tests/smoke/test_smoke_suite.py

@@ -1,3 +1,5 @@
+from datetime import UTC, datetime
+
 import httpx
 
 from ai_orchestrator.application.services.execution import (
@@ -32,6 +34,7 @@ from ai_orchestrator.infrastructure.mcp_client import McpHttpClient, McpToolGate
 from ai_orchestrator.infrastructure.model_router import StaticMockModelProvider
 from ai_orchestrator.infrastructure.policy import StaticProjectPolicyEvaluator
 from ai_orchestrator.infrastructure.storage.memory import (
+    InMemoryArtifactStore,
     InMemoryConfirmationRepository,
     InMemoryEventStore,
     InMemoryGraphRepository,
@@ -223,6 +226,7 @@ def test_smoke_policy_confirm_and_full_auto() -> None:
 
 def test_smoke_mcp_and_worker_results_are_stored_and_finalizer_runs() -> None:
     invocation_store = InMemoryInvocationStore()
+    artifact_store = InMemoryArtifactStore()
 
     def handler(request: httpx.Request) -> httpx.Response:
         return httpx.Response(
@@ -244,6 +248,7 @@ def test_smoke_mcp_and_worker_results_are_stored_and_finalizer_runs() -> None:
         project_configs={"default": _project_config()},
         client=McpHttpClient(transport=httpx.MockTransport(handler)),
         invocation_store=invocation_store,
+        artifact_store=artifact_store,
     )
     worker_repository = InMemoryWorkerRepository()
     event_store = InMemoryEventStore()
@@ -252,6 +257,7 @@ def test_smoke_mcp_and_worker_results_are_stored_and_finalizer_runs() -> None:
         worker_repository=worker_repository,
         event_store=event_store,
         invocation_store=invocation_store,
+        artifact_store=artifact_store,
         connection_manager=InMemoryWorkerConnectionManager(),
     )
     worker = worker_service.register(
@@ -279,8 +285,8 @@ def test_smoke_mcp_and_worker_results_are_stored_and_finalizer_runs() -> None:
             task_id="task_1",
             tool="file.read",
             status="success",
-            started_at=__import__("datetime").datetime.now(__import__("datetime").UTC),
-            finished_at=__import__("datetime").datetime.now(__import__("datetime").UTC),
+            started_at=datetime.now(UTC),
+            finished_at=datetime.now(UTC),
             duration_ms=1,
             result={"content": "ok"},
         ),
@@ -318,4 +324,5 @@ def test_smoke_mcp_and_worker_results_are_stored_and_finalizer_runs() -> None:
     assert queued.status == "queued"
     assert tool_result.status == "success"
     assert len(invocation_store.list_tool_invocations("task_1")) >= 2
+    assert artifact_store.list_by_task("task_1") == []
     assert graph.nodes[-1].output_data["status"] == "completed"