chore(backlog): 记录 g38 完成

.ua/backlog.json

@@ -666,7 +666,7 @@
       "title": "select 支持 searchable 搜索",
       "motivation": "选项超过十个时只能靠键入首字母快跳，看不到筛掉的候选；业务常自己再包一层搜索框，交互割裂",
       "acceptance": "select({ searchable: true }) 弹层顶部带搜索框，打开即聚焦、实时包含匹配、无命中显示「无匹配选项」，↑↓/Home/End 只在可见项间移动；README 分组行补齐新组件；npm run check 全绿",
-      "status": "open",
+      "status": "done",
       "notes": "自补：既有组件可用性细节"
     }
   ]

.ua/iterations.log

@@ -82,3 +82,4 @@
 {"ts":"2026-10-26T11:46:55+08:00","id":"g35","result":"done","commit":"8b5f355","summary":"新增 notification 通知卡片：右下角堆叠、标题+描述+操作区、返回 {el,close}、duration 0 常驻，组件数 42→43"}
 {"ts":"2026-10-26T11:47:48+08:00","id":"g36","result":"done","commit":"8ac71c4","summary":"新增 result 结果页：四档语义色 + 居中终态布局 + role=status，组件数 43→44"}
 {"ts":"2026-10-26T11:48:31+08:00","id":"g37","result":"done","commit":"3143a8b","summary":"新增 recipes.md 组合配方（表单校验提交/危险确认/表格分页批量/空态加载）并由 ua docs 追加进 llms-full"}
+{"ts":"2026-10-26T11:50:04+08:00","id":"g38","result":"done","commit":"82909c5","summary":"select 新增 searchable：弹层搜索框实时过滤、打开即聚焦、无命中提示，键盘只在可见项间移动；README 分组行补齐新组件"}