chore(backlog): 记录 g140 完成

.ua/backlog.json

@@ -1483,7 +1483,7 @@
       "motivation": "「点行进详情」是表格最常用交互，dataTable 只能把跳转塞进某一列的按钮：点击区域小、键盘不可达，行本身对读屏也只是文本",
       "acceptance": "dataTable 新增 onRowClick：传了则该行 tabindex=0 并响应点击 / Enter / 空格，未传时行为与现在完全一致（不进 Tab 序列）；文档 props/steps 与演示同步；单文件仍 ≤200 行；npm run check 全绿",
       "notes": "自补：既有组件可用性细节（行数恰好压到 200 行上限，靠合并注释行达标）",
-      "status": "open"
+      "status": "done"
     }
   ]
 }

.ua/iterations.log

@@ -184,3 +184,4 @@
 {"ts":"2026-10-26T15:29:51+08:00","id":"g137","result":"done","commit":"55da08f","summary":"演示页头部加暗色主题开关（data-theme + localStorage 记忆，初值跟随系统），--page-* 变量改为响应显式主题、媒体查询仅兜未指定时"}
 {"ts":"2026-10-26T15:31:27+08:00","id":"g138","result":"done","commit":"1af4e57","summary":"datePicker 新增 range/end/onRangeChange：首点定起点不收弹层、次点定终点并自动排序，区间内部低比重底色连成一条"}
 {"ts":"2026-10-26T15:32:47+08:00","id":"g139","result":"done","commit":"08ceb8f","summary":"position 新增 flipSide 四向判定，tooltip 支持 left/right 并自动翻转；气泡定位与出场位移拆成两条规则，避免通用 .ua-open 覆盖方位"}
+{"ts":"2026-10-26T15:35:04+08:00","id":"g140","result":"done","commit":"e40cd2c","summary":"dataTable 新增 onRowClick：传了行变 tabindex=0 并响应点击/Enter/空格，未传保持纯展示；文件压到 199 行"}