docs(changelogs-v2): #5912/#5916/#5914 前端 verified,#5915 not_required

#5912 改期残留三字段消费 frontend_ref=6c417cac
#5916 核单两报表瘦身 frontend_ref=ea2916fc
#5914 换版原因渲染 frontend_ref=a254f29f
#5915 删换车请求状态实证 not_required frontend_ref=58428593

changelogs-v2/2026-08/12_5912_改期后旧实派车旧日期派车页栅格不可见-修改接口-管理后台.md

@@ -7,9 +7,9 @@ change_type: "修改接口"
 author: "wx(GIT)"
 backend_status: "deployed"
 gateway_status: "verified"
-frontend_status: "pending"
+frontend_status: "verified"
 frontend_owner: "mmg"
-frontend_ref: ""
+frontend_ref: "6c417cac"
 target_release: ""
 verified_at: "2026-08-12"
 status_note: "后端已修复并部署测试服，订单 HL20260809095537293(26-0821，改期 08-18→08-21) API 实测通过：Step2 栅格 editableServiceDates 并入旧行日期后返回 [08-18..08-24] 全 7 天，旧实派行 08-18/19/20 恢复 USED+实车+rescheduleResidue=true+canDelete=true，08-21(在新窗内)不误标，新窗 08-22~24 待派占位。新增透出字段 rescheduleResidue/canDelete/deleteBlockReason 需前端消费：挂「改期残留/待清理」徽标 + 醒目删除/取消入口。"