chore(backlog): 记录 g108 完成

.ua/backlog.json

@@ -1227,7 +1227,7 @@
       "motivation": "提交失败时只把焦点扔到第一处错误：视觉上用户得自己数还有几处红框，读屏用户更是只听到某个输入框的 aria-invalid，完全不知道总共有几项要改；调用方也拿不到「这次失败了几项」做埋点或顶部提示",
       "acceptance": "form 提交时统计不通字段数，顶部渲染 role=alert 的汇总条「有 N 项需要修改，已定位到第一处」（通过则隐藏）；FormProps 新增 onError(count) 与 errorSummary（缺省 true，传 false 不插节点）；文档参数表与演示说明同步；npm run check 全绿",
       "notes": "自补：无障碍与可用性；汇总条与逐项红框同源，均由一次提交的校验结果推导",
-      "status": "open"
+      "status": "done"
     }
   ]
 }

.ua/iterations.log

@@ -152,3 +152,4 @@
 {"ts":"2026-10-26T13:56:59+08:00","id":"g105","result":"done","commit":"f398f09","summary":"tabs 支持 closable 页签（× / Delete 触发 onClose，指示条量外壳，触摸常显）"}
 {"ts":"2026-10-26T13:58:26+08:00","id":"g106","result":"done","commit":"c66bcf3","summary":"新增 watchViewport：affix/backTop/anchor/tour 的 scroll+resize 卸载后自摘，防空转累积"}
 {"ts":"2026-10-26T13:59:52+08:00","id":"g107","result":"done","commit":"48f9465","summary":"新增 popconfirm 二次确认气泡（popover 补受控 open），组件 58→59"}
+{"ts":"2026-10-26T14:01:11+08:00","id":"g108","result":"done","commit":"5601e59","summary":"form 提交失败统计不通项数，顶部 role=alert 汇总条 + onError(count)"}