diff --git a/.ua/backlog.json b/.ua/backlog.json
index df4bec7..8a9f5fa 100644
--- a/.ua/backlog.json
+++ b/.ua/backlog.json
@@ -2249,6 +2249,15 @@
       "domain": "tune",
       "status": "done",
       "notes": "落地：emit 加 allowZero 放行口，点击命中值与当前值精确相等即清零；aria-valuemin 随 allowClear 0/1 切换，读屏语义一致。"
+    },
+    {
+      "id": "g207",
+      "title": "progress 支持 format 自定义文本",
+      "motivation": "上传场景要显示「12.4 MB / 30 MB」而非百分比，当前进度文本写死取整百分号，线/环形都不能定制。",
+      "acceptance": "1) ProgressProps 新增 format?: (v: number) => string，传入则线/环形文本均用其返回值替代「N%」；2) 缺省行为不变；3) manifest props 表补行并 npm run docs 同步；4) npm run check 全绿。",
+      "domain": "tune",
+      "status": "done",
+      "notes": "落地：textOf 统一文本出口（format 优先，缺省取整百分号），线性与环形两条路径共用，环形 aria-label 同步走 textOf；ring 签名追加 textOf 参数零破坏。"
     }
   ]
 }
\ No newline at end of file
diff --git a/.ua/iterations.log b/.ua/iterations.log
index ae05224..95f6e3f 100644
--- a/.ua/iterations.log
+++ b/.ua/iterations.log
@@ -251,3 +251,4 @@
 {"ts":"2026-10-26T19:13:53+08:00","id":"g204","result":"done","commit":"5bc854b","summary":"textarea 新增 autosize：布尔/对象（minRows/maxRows）双态，输入与信号写回都重算高度，行高从 computed style 推导零硬编码"}
 {"ts":"2026-10-26T19:15:31+08:00","id":"g205","result":"done","commit":"6ee86ac","summary":"textField 新增 password：原生打点 + 内置显示/隐藏切换按钮（复用 clear 样式），与 clearable/计数不互斥"}
 {"ts":"2026-10-26T19:16:49+08:00","id":"g206","result":"done","commit":"f763f63","summary":"rate 新增 allowClear：再点当前分（半星须精确相等）清零，aria-valuemin 同步 0/1"}
+{"ts":"2026-10-26T19:18:06+08:00","id":"g207","result":"done","commit":"4eaa177","summary":"progress 新增 format 回调：线/环形进度文本可定制（如 MB 计数），缺省行为不变，环形 aria-label 同步"}