chore(backlog): 记录 g92 完成

.ua/backlog.json

@@ -1099,7 +1099,7 @@
       "motivation": "badge 只能塞一段文字，做「未读 5 条」「99+」「有更新的小红点」时得自己拼 span + 手写样式，红色点还会硬编码颜色绕过令牌",
       "acceptance": "BadgeProps 新增 count / max / dot，label 改为可选；count 超过 max（缺省 99）显示 N+，负数归零；dot 渲染 8px 圆点并以 role=img + label 作可访问名；新增样式只消费 --ua-* 令牌；文档与演示（三种形态）同步；npm run check 全绿",
       "notes": "自补：组件能力补齐；保持纯展示、无内部状态",
-      "status": "open"
+      "status": "done"
     }
   ]
 }

.ua/iterations.log

@@ -136,3 +136,4 @@
 {"ts":"2026-10-26T13:09:11+08:00","id":"g89","result":"done","commit":"68ca2ba","summary":"esbuild 开 minifyWhitespace/minifySyntax，demo.html 278KB→205KB，标识符保留"}
 {"ts":"2026-10-26T13:09:49+08:00","id":"g90","result":"done","commit":"1e6898b","summary":"重新生成 CHANGELOG（253 提交），changelog:check 恢复一致"}
 {"ts":"2026-10-26T13:10:40+08:00","id":"g91","result":"done","commit":"47756c8","summary":"formItem 新增 hint 辅助说明，报错时自动让位给错误文案"}
+{"ts":"2026-10-26T13:11:29+08:00","id":"g92","result":"done","commit":"ac5c5cd","summary":"badge 新增 count/max/dot 三形态，label 转可选，样式走令牌"}