fix: keep latest map dataset context

backend/tests/test_sprint186_map_first_geographic_explorer.py

@@ -40,6 +40,16 @@ def test_map_rectangle_drag_is_wired_to_automatic_analysis() -> None:
     assert "onMapBboxSelectRef.current?.(bbox)" in geomap
 
 
+def test_dataset_detail_responses_cannot_overwrite_the_latest_map_layer() -> None:
+    workflow = read("frontend/src/hooks/useDatasetWorkflow.ts")
+
+    assert "const datasetDetailRequestSequence = useRef(0)" in workflow
+    assert "const detailRequestId = ++datasetDetailRequestSequence.current" in workflow
+    assert "detailRequestId !== datasetDetailRequestSequence.current" in workflow
+    assert "detailRequestId === datasetDetailRequestSequence.current" in workflow
+    assert "datasetDetailRequestSequence.current += 1" in workflow
+
+
 def test_selection_contract_reports_total_intersections_separately_from_preview() -> None:
     schema = read("backend/app/schemas/operations.py")
     service = read("backend/app/services/vector_feature_service.py")