chore(backlog): 记录 g146 完成

.ua/backlog.json

@@ -1531,7 +1531,7 @@
       "motivation": "看板与上传卡片普遍要环形进度，progress 只有线性条：调用方只能自带 SVG 并对齐语义色与百分比文字",
       "acceptance": "progress 新增 type=line|circle，环形走 createElementNS 的 SVG 双圆 + dashoffset，中间显示百分比、aria-label 拼名称与数值，variant 换弧色；linear 行为不变；文档与演示同步；npm run check 全绿",
       "notes": "自补：既有组件可用性细节（坑：h() 用 createElement 造不出可渲染 SVG，必须 createElementNS）",
-      "status": "open"
+      "status": "done"
     }
   ]
 }

.ua/iterations.log

@@ -190,3 +190,4 @@
 {"ts":"2026-10-26T15:38:51+08:00","id":"g143","result":"done","commit":"3058da1","summary":"tabs 新增 extra 右侧操作区：与页签同一行共用分隔线，不传时 DOM 结构不变"}
 {"ts":"2026-10-26T15:40:02+08:00","id":"g144","result":"done","commit":"1009c89","summary":"新增 avatarGroup（叠放 + max 折叠 +N，整组 title 列全部姓名，+N 补可访问名），组件 66→67"}
 {"ts":"2026-10-26T15:41:22+08:00","id":"g145","result":"done","commit":"af09500","summary":"slider 新增 marks：按 min-max 换算百分比绝对定位在轨道下方，aria-hidden 纯装饰，轨道包一层不影响右侧数值"}
+{"ts":"2026-10-26T15:43:32+08:00","id":"g146","result":"done","commit":"2adae6e","summary":"progress 新增 type=circle：createElementNS 造 SVG 双圆 + dashoffset 出弧，中间百分比与 aria-label 自家拼，variant 换弧色"}