bug: Data retention (TTL) deletes traces referenced by annotation queue items, leaving orphaned items

此 bug 发生在自托管 Langfuse 配置了数据保留 (TTL) 且项目存在标注队列(Annotation Queue)时。TTL 删除 trace 时不检查是否有 AnnotationQueueItem 引用,导致孤儿记录。核心英文报错: bug: Data retention (TTL)








