diff --git a/.ua/backlog.json b/.ua/backlog.json
index e4cad25..7aa48e9 100644
--- a/.ua/backlog.json
+++ b/.ua/backlog.json
@@ -698,8 +698,8 @@
       "title": "pagination 支持每页条数切换",
       "motivation": "分页器只能固定 pageSize，列表页要改条数得业务另做下拉并自算总页数；且每次翻页都在重建跳页输入框",
       "acceptance": "pagination({ pageSizes, onPageSizeChange }) 渲染条数切换器、切换后回第 1 页并按新条数重算总页数；跳页区只创建一次；npm run check 全绿",
-      "status": "open",
-      "notes": "自补：组件补充"
+      "status": "done",
+      "notes": "自补：组件补充；新增 sec-pagination 演示区块"
     }
   ]
 }
diff --git a/.ua/iterations.log b/.ua/iterations.log
index 483e163..1e7ac73 100644
--- a/.ua/iterations.log
+++ b/.ua/iterations.log
@@ -86,3 +86,4 @@
 {"ts":"2026-10-26T11:50:41+08:00","id":"g39","result":"done","commit":"fa8b0b8","summary":"ui.css 顶部统一 focus-visible 描边兜底（消费 --ua-color-accent），README 补可访问性约定章节"}
 {"ts":"2026-10-26T11:51:41+08:00","id":"g40","result":"done","commit":"d685f66","summary":"button 增 type（缺省 button）修掉表单内 click+submit 双触发，form 交按钮走原生 submit 并支持单行输入 Enter 提交"}
 {"ts":"2026-10-26T11:52:25+08:00","id":"g41","result":"done","commit":"cf25164","summary":"verify 新增 README「分组：」行校验：漏写/多写组件均报错（formItem 别名放行），负向测试通过"}
+{"ts":"2026-10-26T11:53:50+08:00","id":"g42","result":"done","commit":"314366a","summary":"pagination 支持 pageSizes 条数切换（切换回第 1 页并按新条数重算总页数），分页区与附加区分组避免重建跳页框"}