chore(backlog): 记录 g70 完成

.ua/backlog.json

@@ -916,6 +916,14 @@
       "acceptance": "toggleSort 保留本列既有方向再循环 asc → desc → 取消（multi 保留全部列）；getPageInfo 内部先跑一次带 memo 的派生；冒烟补三条不变量（快照即时性、selection 跨筛选保留、三次点击回无序）；npm run check 全绿",
       "status": "done",
       "notes": "自补：核心正确性；state.pagination.page 保留调用方意图、仅视图钳制，这条既有语义未改"
+    },
+    {
+      "id": "g70",
+      "title": "冒烟补多列排序、页大小与 reset 重置断言",
+      "motivation": "冒烟只覆盖单列排序与越界钳制；multi 排序的规则优先级、setPageSize 回第 1 页、reset 回默认态都没有回归网，改动 patchState 时容易静默破功",
+      "acceptance": "smoke 新增三条不变量：multi 双列规则生成且按规则序生效（city 升序 + 同城 age 升序）、setPageSize 回第 1 页、reset 清空排序筛选并把分页回 1/20；npm run check 全绿",
+      "status": "done",
+      "notes": "自补：回归网；断言数 9 → 16"
     }
   ]
 }

.ua/iterations.log

@@ -114,3 +114,4 @@
 {"ts":"2026-10-26T12:36:19+08:00","id":"g67","result":"done","commit":"cc3c649","summary":"tag 增加 checkable 筛选片：button + aria-pressed 与信号双向绑定，选中态走 accent 淡底，不整块重渲染"}
 {"ts":"2026-10-26T12:37:22+08:00","id":"g68","result":"done","commit":"99981fe","summary":"alert 增加 showIcon/icon 语义图标（aria-hidden 纯装饰）与 banner 通栏形态，补齐文档与演示"}
 {"ts":"2026-10-26T12:38:50+08:00","id":"g69","result":"done","commit":"e6cf875","summary":"修正 toggleSort 非 multi 永远停在 asc 的循环 bug 与 getPageInfo 陈旧快照，冒烟补三条不变量"}
+{"ts":"2026-10-26T12:39:32+08:00","id":"g70","result":"done","commit":"5fb61e1","summary":"冒烟补多列排序优先级、setPageSize 回首页、reset 回默认态三条不变量，断言 9 → 16"}