docs(changelog): #6112 前端 verified(mmg, ref d58ad932)

changelogs-v2/2026-08/21_6112_看板详情透出终止行程取消原因-修改接口-管理后台.md

@@ -7,9 +7,9 @@ author: "wx"
 change_type: "修改接口"
 backend_status: "deployed"
 gateway_status: "verified"
-frontend_status: "pending"
+frontend_status: "verified"
 frontend_owner: "mmg"
-frontend_ref: ""
+frontend_ref: "d58ad932"
 target_release: ""
 verified_at: "2026-08-21"
 status_note: "终止行程的真实原因（如「客户中止」）此前在 order 侧，fleet 落库的是写死文案。本次全链路透传：order → Feign DTO 加可选字段 → fleet 落库 → 看板详情 VO 透出。前端只需在已取消行渲染 cancelReason。"