feat: add governed nationwide AOI orchestration and CUDA enforcement

backend/tests/test_rc4_national_coverage.py

@@ -225,6 +225,26 @@ def test_bounded_api_materialization_only_covers_its_persisted_bbox() -> None:
     assert outside.items[0].materialized_dataset_ids == []
 
 
+def test_bounded_partition_union_can_be_operational() -> None:
+    project_id = uuid4()
+    left_id = uuid4()
+    right_id = uuid4()
+    datasets = [
+        SimpleNamespace(id=left_id, status="ready", source_name="spw_picc", reference_layer_name="buildings", source_metadata={"coverage_zones": ["wallonia"], "bbox_epsg4326": [4.50, 50.50, 4.60, 50.60]}),
+        SimpleNamespace(id=right_id, status="ready", source_name="spw_picc", reference_layer_name="buildings", source_metadata={"coverage_zones": ["wallonia"], "bbox_epsg4326": [4.60, 50.50, 4.70, 50.60]}),
+    ]
+    session = FakeSession(
+        project=SimpleNamespace(id=project_id),
+        areas=[scope_area("Belgium land", box(2.5, 49.5, 6.4, 51.5)), scope_area("Wallonia", box(2.5, 49.5, 6.4, 50.8))],
+        datasets=datasets,
+    )
+
+    result = CoverageRegistryService.resolve(session, project_id, CoverageBBox(minx=4.51, miny=50.51, maxx=4.69, maxy=50.59), ["buildings"])
+
+    assert result.items[0].status == "operational"
+    assert result.items[0].materialized_dataset_ids == [left_id, right_id]
+
+
 def test_spw_bathymetry_materialization_is_source_specific() -> None:
     project_id = uuid4()
     scope = [