chore(backlog): 记录 g103 完成

.ua/backlog.json

@@ -1187,7 +1187,7 @@
       "motivation": "dataTable 不论有没有筛选词，0 行时一律显示「暂无匹配数据」：数据本身就空的时候提示「匹配」让人以为筛选还在生效，而筛选筛空的时候又不给任何出口，用户只能手动删掉输入框里的字才发现原来有数据",
       "acceptance": "有筛选词时显示「没有符合「关键词」的行」并给「清除筛选」按钮（一次性清空关键字信号与内核筛选、回第 1 页）；无筛选词时显示「暂无数据」且不出现按钮；关键字用受控信号持有，与筛选框同源；每行文件仍 ≤ 200 行；npm run check 全绿",
       "notes": "自补：可用性；空状态行抽到 tableEmpty.ts，dataTable 顺手把 api 类型别名下沉到 types.ts 才没破 200 行",
-      "status": "open"
+      "status": "done"
     }
   ]
 }

.ua/iterations.log

@@ -147,3 +147,4 @@
 {"ts":"2026-10-26T13:17:42+08:00","id":"g100","result":"done","commit":"b190718","summary":"重新生成 CHANGELOG（273 提交），本次唤起 22 轮收尾"}
 {"ts":"2026-10-26T13:50:16+08:00","id":"g101","result":"done","commit":"265842e","summary":"新增 anchor 锚点导航：滚动高亮 + aria-current、offset 偏移定位、replaceState 写 hash，组件 57→58"}
 {"ts":"2026-10-26T13:51:46+08:00","id":"g102","result":"done","commit":"abfbb82","summary":"trapFocus 下沉到 overlay，modal/drawer 改调用，image 预览层补焦点锁与初始聚焦"}
+{"ts":"2026-10-26T13:54:09+08:00","id":"g103","result":"done","commit":"e497c16","summary":"dataTable 空状态分「暂无数据 / 没有符合关键词的行 + 一键清除筛选」，空状态行抽 tableEmpty.ts"}