chore(backlog): 记录 g165 完成

.ua/backlog.json

@@ -1676,6 +1676,14 @@
       "acceptance": "descriptions 新增 layout（vertical 把字段名挪到值上方，bordered 时自动去掉标签分隔线与底纹）与 extra（标题行右侧内容）；演示页加竖排 + 操作区实例；manifest props 表与步骤、llms-full 同步；npm run check 全绿。",
       "notes": "",
       "status": "done"
+    },
+    {
+      "id": "g165",
+      "title": "步骤条支持竖向排列",
+      "motivation": "审批流 / 物流轨迹在侧栏里只能横排，三步以上就被挤成两行、连接线错位；调用方只能退回自己拼时间线，丢了 done/current 三态语义。",
+      "acceptance": "stepper 新增 direction：vertical 时圆点成一列、连接线走圆点下方、末步不画线、已完成段用主色；演示页加独立信号的竖向实例；manifest props 表与步骤、llms-full 同步；npm run check 全绿。",
+      "notes": "",
+      "status": "done"
     }
   ]
 }

.ua/iterations.log

@@ -209,3 +209,4 @@
 {"ts":"2026-10-26T16:07:27+08:00","id":"g162","result":"done","commit":"fe78275","summary":"verify 新增暗色令牌校验（颜色必覆盖、反向查多余变量），ua tokens 标注缺暗色"}
 {"ts":"2026-10-26T16:08:23+08:00","id":"g163","result":"done","commit":"6febeba","summary":"verify 补 backlog 编号递增/去重与留痕 ts 时区、单调、未来三类校验"}
 {"ts":"2026-10-26T16:09:59+08:00","id":"g164","result":"done","commit":"b533903","summary":"descriptions 新增 layout=vertical 与 extra 标题插槽"}
+{"ts":"2026-10-26T16:11:06+08:00","id":"g165","result":"done","commit":"804ab3b","summary":"stepper 新增 direction=vertical（圆点下方连线，已走段用主色）"}