e.g.: https://github.com/northword/zotero-format-metadata/blob/cf870a73ab6b272697526e5064c431ed706e2b69/addon/locale/zh-CN/rules.ftl#L142-L146 <img width="994" height="108" alt="Image" src="https://github.com/user-attachments/assets/43244a47-5d23-4d02-9cf1-1e99ab10c75d" /> we should log a warn during building.
e.g.:
https://github.com/northword/zotero-format-metadata/blob/cf870a73ab6b272697526e5064c431ed706e2b69/addon/locale/zh-CN/rules.ftl#L142-L146
we should log a warn during building.