来源摘要：{"kind": "work", "provenance_status": "sanitized_existing_evidence", "raw_payload_persisted": false, "source": "FullScore Data Lab", "source_domain": "musicbrainz.org", "source_ref": "musicbrainz:eb50606ad926f3f0b469324e5c4a337c", "source_url": ""}
创作人员按事实角色显示，避免把配器、改编或转写误标为作曲家。旧作曲家字段只作为兼容回退。