chore(backlog): 记录 g301 完成

.ua/backlog.json

@@ -3099,11 +3099,11 @@
     {
       "id": "g301",
       "domain": "new",
-      "status": "open",
+      "status": "done",
       "title": "新增拖拽排序列表 sortableList（88 个组件）",
       "motivation": "库里有 list 展示列表、virtualList 长列表，但缺「可调整顺序」的交互件：任务排优先级、字段顺序、看板列这类场景每次都得自己写一遍拖放，dragstart/dragover 的边界（不拦 dragover 就没 drop、拖拽中重建节点会中断手势）反复踩。",
       "acceptance": "① 整行可拖，指针越过邻行中线即换位，dragend 落定；② 键盘等价 Alt+↑↓ 上下搬一格、Alt+Home/End 搬首尾，裸 ↑↓ 留给页面滚动；③ 顺序写回 value 信号并触发 onChange，拖拽期间跳过外部重排避免中断手势；④ 句柄 { el, move, order }，下标越界与禁用时静默忽略；⑤ 样式只消费 --ua-* 令牌，禁止新增硬编码阴影/时长/字号；⑥ manifest/docs/README/demo/llms-full 同步，npm run check 全绿。",
-      "notes": ""
+      "notes": "新增 src/sortableList.ts（118 行）+ types 两项 + index 导出 + ui.css 六条（只消费令牌）；整行可拖、越过邻行中线换位、dragend 落定，Alt+↑↓/Home/End 键盘搬位；顺序写回 value 信号并触发 onChange，拖拽中跳过外部重排；句柄 { el, move, order } 越界静默忽略；组件 87→88，README/AGENTS/ARCHITECTURE 计数与 docs 同步"
     }
   ]
 }

.ua/iterations.log

@@ -345,3 +345,4 @@
 {"ts": "2026-10-26T23:39:40+08:00", "id": "g298", "result": "done", "commit": "e53161a", "summary": "死令牌归位：四处按下态改 surface-3（按下≠悬停），结果页大标题启用 font-size-xl，tokens --unused 归零"}
 {"ts": "2026-10-26T23:40:33+08:00", "id": "g299", "result": "done", "commit": "9d44199", "summary": "视觉抽查清单扩到十六段（补命令面板 / 通知条 / 环形进度），下限随之 39→48 条"}
 {"ts":"2026-10-27T00:26:00+08:00","id":"g300","result":"done","commit":"c013998","summary":"toast 悬停暂停生效：指针落到卡片本体、pause/resume 钳制剩余、键盘聚焦同口径"}
+{"ts":"2026-10-27T00:29:06+08:00","id":"g301","result":"done","commit":"ed3b863","summary":"新增 sortableList（88 组件）：整行可拖 + Alt+↑↓ 键盘搬位，顺序写回信号，仅消费令牌"}