分页：规范
定义了具有稳定排序、作用域不透明游标、有界页面大小、变更语义、错误处理和导航链接的游标分页，适用于偏移量漂移不可接受的 API。
Maintains bulk selection across paginated or virtualized lists with explicit select-all semantics, exclusion tracking, action confirmation, and recovery when the underlying dataset changes.