chore(backlog): 记录 g209 完成

.ua/backlog.json

@@ -2267,6 +2267,15 @@
       "domain": "tune",
       "status": "done",
       "notes": "落地：复用 .ua-select-clear 样式（仅 right 用 --ua-space-2 内收，零新增字面量），clearable 未开不挂载、有值才显示，清空 stopPropagation 防误展开并保持输入焦点。"
+    },
+    {
+      "id": "g209",
+      "title": "演示页补齐本轮新参数的现场演示",
+      "motivation": "g205-g208 新增 password / autosize / allowClear / clearable 均无演示，人工审阅 qa/stable 时在 demo 看不到新能力。",
+      "acceptance": "1) sec-bind 加密码输入演示（password + clearable）；2) sec-form 加 autosize 多行演示（1-4 行钳制）；3) sec-rate 加 allowClear 可清除演示；4) sec-multiselect 既有实例开 clearable；5) 各 section 描述同步提及；npm run check 全绿。",
+      "domain": "tooling",
+      "status": "done",
+      "notes": "落地：sec-bind 密码框、sec-form autosize 钳制、sec-rate allowClear 行、sec-multiselect 开 clearable，各 section 描述同步。"
     }
   ]
 }

.ua/iterations.log

@@ -253,3 +253,4 @@
 {"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"}
 {"ts":"2026-10-26T19:20:36+08:00","id":"g208","result":"done","commit":"9180e2c","summary":"multiSelect 新增 clearable：右缘一键清空（复用 select 清空钮样式 + --ua-space-2 内收），清空保持焦点不误展开"}
+{"ts":"2026-10-26T19:22:56+08:00","id":"g209","result":"done","commit":"e0cf55e","summary":"演示页补齐 password/autosize/allowClear/clearable 四处现场演示，section 描述同步"}