chore(backlog): 记录 g107 完成

.ua/backlog.json

@@ -1219,7 +1219,7 @@
       "motivation": "删除 / 发布这类危险操作只有两条路：直接执行（误点就没了）或弹 modal（打断视线、还要再找一次按钮）。中间档位「就地确认」缺失，而 popover 的 open 状态是组件私有的，调用方连编程收起都做不到，没法自己拼",
       "acceptance": "PopoverProps 新增受控 open 信号（不传行为不变）；新增 popconfirm(props, trigger)：title/description/confirmText/cancelText/variant/placement/onConfirm/onCancel/open，确定先收起再回调，取消 / 点外部 / Esc 走 onCancel，展开即聚焦「取消」；组件 58→59，manifest/docs/README/AGENTS/ARCHITECTURE/demo 同步；npm run check 全绿",
       "notes": "自补：组件补充；复用 popover + button，不重复实现定位与 Esc 栈",
-      "status": "open"
+      "status": "done"
     }
   ]
 }

.ua/iterations.log

@@ -151,3 +151,4 @@
 {"ts":"2026-10-26T13:55:22+08:00","id":"g104","result":"done","commit":"8e2175d","summary":"lint-iterations 回查留痕提交：哈希须真实存在且主题指向同一条目"}
 {"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"}