diff --git a/.ua/backlog.json b/.ua/backlog.json
index e7e808e..9c7ceec 100644
--- a/.ua/backlog.json
+++ b/.ua/backlog.json
@@ -1475,7 +1475,7 @@
       "motivation": "tooltip 只有上下两向：竖排工具栏、贴右边的内容只能硬翻，left/right 全靠调用方自己补样式；position.ts 的 flip 也只认上下",
       "acceptance": "position 新增 flipSide（四向判定，水平按宽度算左右空间），tooltip placement 支持 left/right 并复用自动翻转；CSS 四向定位 + 出场位移分离；文档 props/steps 与演示同步；npm run check 全绿",
       "notes": "自补：既有组件可用性细节",
-      "status": "open"
+      "status": "done"
     }
   ]
 }
diff --git a/.ua/iterations.log b/.ua/iterations.log
index d20c434..8ce7849 100644
--- a/.ua/iterations.log
+++ b/.ua/iterations.log
@@ -183,3 +183,4 @@
 {"ts":"2026-10-26T15:28:20+08:00","id":"g136","result":"done","commit":"f6706c1","summary":"新增 link（站外自动补 ↗ 与 rel=noopener noreferrer 并播报新窗口，muted/disabled 齐全），组件 65→66；sync-counts 首跑改写 3 份文档计数"}
 {"ts":"2026-10-26T15:29:51+08:00","id":"g137","result":"done","commit":"55da08f","summary":"演示页头部加暗色主题开关（data-theme + localStorage 记忆，初值跟随系统），--page-* 变量改为响应显式主题、媒体查询仅兜未指定时"}
 {"ts":"2026-10-26T15:31:27+08:00","id":"g138","result":"done","commit":"1af4e57","summary":"datePicker 新增 range/end/onRangeChange：首点定起点不收弹层、次点定终点并自动排序，区间内部低比重底色连成一条"}
+{"ts":"2026-10-26T15:32:47+08:00","id":"g139","result":"done","commit":"08ceb8f","summary":"position 新增 flipSide 四向判定，tooltip 支持 left/right 并自动翻转；气泡定位与出场位移拆成两条规则，避免通用 .ua-open 覆盖方位"}