Enable governed GRB evolution

backend/tests/test_sprint191_regional_grb_context.py

@@ -147,6 +147,38 @@ def test_mixed_water_partition_preserves_dimensions_and_source_identity() -> Non
     assert summary["reference_truncated"] is False
 
 
+def test_context_partition_rejects_missing_official_source_identity() -> None:
+    operator = load_operator()
+    scopes = __import__("geographic_scopes")
+    member = scopes.ScopeMember("Alpha", "10001")
+    scope = scopes.GeographicScope(
+        key="test-region",
+        display_name="Test region",
+        project_name="Test project",
+        project_region="Test",
+        area_name="Test boundary",
+        authority_name="Test",
+        authority_url="https://example.test/scope",
+        scope_type="policy_region",
+        limitation_message="Test only.",
+        members=(member,),
+    )
+    boundary = Polygon([(0, 0), (1, 0), (1, 1), (0, 1)])
+    definition = operator.LAYER_BY_KEY["roads"]
+    missing_identity = source_feature("", LineString([(0.1, 0.1), (0.2, 0.2)]))
+
+    with pytest.raises(RuntimeError, match="missing an official source identity"):
+        operator.build_partition_features(
+            [(definition.collections[0], {"type": "FeatureCollection", "features": [missing_identity]}, "https://example.test/roads")],
+            definition=definition,
+            member=member,
+            members=[(member, boundary)],
+            regional_boundary=boundary,
+            scope=scope,
+            max_features=10,
+        )
+
+
 def test_polygon_partition_assignment_does_not_duplicate_cross_boundary_parcel() -> None:
     operator = load_operator()
     scopes = __import__("geographic_scopes")
@@ -224,5 +256,7 @@ def test_context_operator_is_packaged_and_uses_existing_service_boundary() -> No
     assert "provision_regional_grb_context.py" in dockerfile
     assert "py_compile scripts/provision_regional_grb_context.py" in readiness
     assert "DatasetService.import_partitioned_vector_artifact" in operator
+    assert '"identity_stable": True' in operator
+    assert '"identity_scheme": "grb_ogc_feature_id"' in operator
     assert "insert into vector_features" not in operator.lower()
     assert "db.add(VectorFeature" not in operator