JEI Structures(EMI/JEI)

English:
Reissued for version 1.7 with persistent natural-spawn markers and filtering of naturally spawned mobs during structure capture. Added automatic structure index export when the cache is missing, empty, or invalid.

中文：
重新发布 1.7：新增自然生成生物持久化标记，结构采集跳过自然生成生物；结构索引缓存缺失、为空或损坏时，服务器启动后自动导出。