chore(backlog): 记录 g64 完成

.ua/backlog.json

@@ -868,6 +868,14 @@
       "acceptance": "CardProps 增加 extra / footer / bordered / hoverable；标题行改 flex 头、标题下边距移到头部（视觉不变）；demo/manifest 同步；npm run check 全绿",
       "status": "done",
       "notes": "自补：既有组件增强；不改内部结构，只在有 title/extra 时才输出头部"
+    },
+    {
+      "id": "g64",
+      "title": "刷新 CHANGELOG 并说明刷新时机",
+      "motivation": "CHANGELOG 停在 g14，之后 40+ 条迭代都没进日志；同时没人说明它为何不在 check 链里（它包含提交自身，天然自指）",
+      "acceptance": "npm run changelog 重新生成到最新；AGENTS 增加「变更日志」段说明生成方式与「不进 check」的原因；README 脚本清单补 changelog；npm run check 全绿",
+      "status": "done",
+      "notes": "自补：文档完善；changelog:check 只能用于发版前确认漂移，不能作为提交门禁"
     }
   ]
 }

.ua/iterations.log

@@ -108,3 +108,4 @@
 {"ts":"2026-10-26T12:26:46+08:00","id":"g61","result":"done","commit":"f56ca51","summary":"tree 新增 multi 勾选：勾父选子、子全选回勾父、半选态、禁用项不参与级联，勾选不触发选中"}
 {"ts":"2026-10-26T12:27:35+08:00","id":"g62","result":"done","commit":"a6cd41c","summary":"verify 要求每个组件被 demo 真实调用（id( 或 id.），补齐「有锚点无渲染」的漏检"}
 {"ts":"2026-10-26T12:28:56+08:00","id":"g63","result":"done","commit":"835967e","summary":"card 增加 extra/footer/bordered/hoverable，标题行改 flex 头（视觉不变），悬停浮起带 reduced-motion 兜底"}
+{"ts":"2026-10-26T12:29:47+08:00","id":"g64","result":"done","commit":"4ca6f5e","summary":"重新生成 CHANGELOG（199 提交）并在 AGENTS 说明它为何不进 check 链、只在发版前刷新"}