Federate official Belgium data sources

backend/tests/test_rc4_national_coverage.py

@@ -12,6 +12,7 @@ from app.main import app
 from app.models import Area, Dataset, Project
 from app.schemas.coverage import CoverageBBox
 from app.services.coverage_registry_service import CoverageRegistryService, THEMES, ZONES
+from app.services.vector_feature_service import VectorFeatureService
 
 
 class FakeQuery:
@@ -72,6 +73,44 @@ def test_coverage_catalog_uses_normalized_contracts_and_does_not_change_provider
     assert response.json()["data"]["themes"] == list(THEMES)
 
 
+def test_national_and_maritime_reference_layers_are_selection_analyzable() -> None:
+    cases = (
+        ("ngi_adminvector", "belgium_municipalities", "administrative"),
+        ("rbins_marine_reporting_units", "marine_legal_scopes", "marine_environment"),
+        ("rbins_msp_2026", "marine_spatial_plan_2026", "maritime_planning"),
+    )
+    for source_name, layer_name, expected_theme in cases:
+        dataset = Dataset(
+            id=uuid4(),
+            project_id=uuid4(),
+            name=f"{layer_name}.geojson",
+            dataset_type="vector",
+            source="operator_official_import",
+            source_name=source_name,
+            reference_layer_name=layer_name,
+            source_metadata={"authority_level": "authoritative"},
+            status="ready",
+        )
+
+        assert VectorFeatureService._dataset_theme(dataset) == expected_theme
+        assert VectorFeatureService.supports_selection_summary(dataset) is True
+
+
+def test_national_scope_operator_assigns_explicit_map_themes() -> None:
+    root = Path(__file__).resolve().parents[2]
+    operator = (root / "scripts" / "provision_belgium_north_sea_scope.py").read_text(encoding="utf-8")
+    map_workspace = (root / "frontend" / "src" / "components" / "map" / "MapWorkspace.tsx").read_text(
+        encoding="utf-8"
+    )
+
+    assert '"belgium_municipalities": "administrative"' in operator
+    assert '"marine_legal_scopes": "marine_environment"' in operator
+    assert '"marine_spatial_plan_2026": "maritime_planning"' in operator
+    assert "id: 'administrative'" in map_workspace
+    assert "id: 'maritime_planning'" in map_workspace
+    assert "id: 'marine_environment'" in map_workspace
+
+
 def test_coverage_resolver_only_reports_operational_for_materialized_ready_dataset() -> None:
     project_id = uuid4()
     project = SimpleNamespace(id=project_id)