chore(backlog): 记录 g88 完成

.ua/backlog.json

@@ -1067,7 +1067,7 @@
       "motivation": "表格能筛能排却导不出来，用户只能截图或手抄；导出还必须导「筛选+排序后的全量行」而不是当前页，但内核只有 getVisibleRows()（已分页裁剪），UI 层拿不到全量派生行",
       "acceptance": "内核 getVisibleRows(paged=false) 跳过 pagination 阶段并新增 getAllRows()，派生上下文带 paged 标记（缺省分页），分页快照不受影响；dataTable 新增 exportable / exportName，工具栏按钮导出筛选+排序后的全量行、单元格走 format；CSV 带 BOM + CRLF、逗号引号换行正确转义；冒烟补 4 条不变量；npm run check 全绿",
       "notes": "自补：功能缺口；核心只加可选参数与一个实例方法，不动既有签名",
-      "status": "open"
+      "status": "done"
     }
   ]
 }

.ua/iterations.log

@@ -132,3 +132,4 @@
 {"ts":"2026-10-26T13:03:44+08:00","id":"g85","result":"done","commit":"bd64e43","summary":"progress 新增 label 可访问名与 variant 语义色，满格不回退 success"}
 {"ts":"2026-10-26T13:05:35+08:00","id":"g86","result":"done","commit":"a123140","summary":"overlay 新增 bindOutside，8 个弹层改用它，popover 删空 keydown"}
 {"ts":"2026-10-26T13:06:13+08:00","id":"g87","result":"done","commit":"cf4ec96","summary":"轮播 focusin/focusout 也暂停自动播放，区域与幻灯片补 aria-roledescription"}
+{"ts":"2026-10-26T13:08:26+08:00","id":"g88","result":"done","commit":"9a7c46a","summary":"内核 getAllRows 跳过分页取全量派生行，表格 exportable 导出 CSV（BOM+转义），冒烟补 4 条"}