fix(replay): serve admitted AI overlays without revalidation

tests/test_session_api.py

@@ -1313,6 +1313,16 @@ def test_recorded_perception_endpoint_returns_one_complete_optional_overlay(
             calls.append((session_id, application_id, recording_id))
             return b"RRF2perception"
 
+        def status(self, session_id: str, *, recording_id: str) -> dict[str, object]:
+            assert session_id == session.name
+            assert recording_id == "recording-001"
+            return {
+                "state": "preparing",
+                "phase": "artifact-validation",
+                "elapsed_seconds": 2.5,
+                "byte_length": None,
+            }
+
     router = build_session_router(store, perception_overlay_provider=Provider())
     perception_route = endpoint(
         router,
@@ -1334,6 +1344,26 @@ def test_recorded_perception_endpoint_returns_one_complete_optional_overlay(
     assert calls == [
         (session.name, "nodedc_mission_core_recorded", "recording-001")
     ]
+    status_route = endpoint(
+        router,
+        "/api/v1/observation-sessions/{session_id}/perception/status",
+        "GET",
+    )
+    status_response = Response()
+    status = asyncio.run(
+        status_route(
+            session_id=session.name,
+            response=status_response,
+            recording_id="recording-001",
+        )
+    )
+    assert status == {
+        "state": "preparing",
+        "phase": "artifact-validation",
+        "elapsed_seconds": 2.5,
+        "byte_length": None,
+    }
+    assert status_response.headers["cache-control"] == "no-store"
 
     empty_router = build_session_router(store)
     empty_route = endpoint(