{"case_id":"synthetic-required-field-removed","category":"missing_required_field","severity":"high","synthetic":true,"baseline_schema":{"type":"object","required":["account_id","email","phone_number"],"properties":{"account_id":{"type":"string"},"email":{"type":"string"},"phone_number":{"type":"string"}}},"candidate_schema":{"type":"object","required":["account_id","email"],"properties":{"account_id":{"type":"string"},"email":{"type":"string"}}},"expected_result":"block","rationale":"A required field present in the baseline is absent from the candidate contract."}
{"case_id":"synthetic-field-type-changed","category":"field_type_changed","severity":"high","synthetic":true,"baseline_schema":{"type":"object","required":["order_id","total_cents"],"properties":{"order_id":{"type":"string"},"total_cents":{"type":"integer"}}},"candidate_schema":{"type":"object","required":["order_id","total_cents"],"properties":{"order_id":{"type":"string"},"total_cents":{"type":"string"}}},"expected_result":"block","rationale":"The field name is stable but its declared type changes from integer to string."}
{"case_id":"synthetic-nested-field-moved","category":"nested_field_moved","severity":"medium","synthetic":true,"baseline_schema":{"type":"object","required":["sku","warehouse"],"properties":{"sku":{"type":"string"},"warehouse":{"type":"object","required":["region"],"properties":{"region":{"type":"string"}}}}},"candidate_schema":{"type":"object","required":["sku","fulfilment"],"properties":{"sku":{"type":"string"},"fulfilment":{"type":"object","required":["warehouse_region"],"properties":{"warehouse_region":{"type":"string"}}}}},"expected_result":"review","rationale":"The same conceptual value appears to have moved to a different object path; human mapping review is required."}