chore(backlog): 记录 g118 完成

.ua/backlog.json

@@ -1307,7 +1307,7 @@
       "motivation": "g114 之后又落了 4 次提交（新增 calendar 月历、抽屉非模态、trackSize 尺寸重算等），changelog:check 再次报漂移",
       "acceptance": "npm run changelog 重新生成（309 提交），与提交史一致；npm run check 全绿",
       "notes": "自补：发版前刷新步骤；本次唤起收尾轮",
-      "status": "open"
+      "status": "done"
     }
   ]
 }

.ua/iterations.log

@@ -162,3 +162,4 @@
 {"ts":"2026-10-26T14:09:03+08:00","id":"g115","result":"done","commit":"c2900a4","summary":"新增 calendar 月历（marker 徽标进 aria-label），日期工具下沉 dateKit 与 datePicker 共用，组件 59→60"}
 {"ts":"2026-10-26T14:10:22+08:00","id":"g116","result":"done","commit":"2ab9406","summary":"drawer 新增 modal:false：透明遮罩不锁滚动不困焦点，页面可继续操作"}
 {"ts":"2026-10-26T14:11:13+08:00","id":"g117","result":"done","commit":"6cf4905","summary":"新增 trackSize（ResizeObserver 自断），tabs 指示条与 segmented 滑块随尺寸重算"}
+{"ts":"2026-10-26T14:11:42+08:00","id":"g118","result":"done","commit":"123e7e6","summary":"重新生成 CHANGELOG（309 提交），本次唤起 18 轮收尾"}