fix(lastleg): repair dispatch cancellation and return execution contracts

lastleg-service/src/main/resources/openapi/fleet-trips-v1.yaml

@@ -167,7 +167,7 @@ paths:
     parameters: [{$ref: '#/components/parameters/TripNo'}, {$ref: '#/components/parameters/BookingNo'}]
     post:
       summary: 运营确认委托方实收货量与运费
-      description: '权限：platform:fleet:trip:booking-confirm；实际来货已完成测量，receiptHash和实托集合一致，重新核算容量和约定金额，引用真实收货证据并确认原来货流程；不重复入库。差异必须显式确认，超容量回滚。'
+      description: '权限：platform:fleet:trip:booking-confirm；CONFIRMED或尚未绑定排车的RECEIVED可核对。实际来货已完成测量，receiptHash和实托集合一致，重新核算容量和约定金额，引用真实收货证据并确认原来货流程；不重复入库。拆合托后先解除排车关联，再以新请求键及当前版本重新确认实收和运费，完整实收量与承诺车次限制不放宽。差异必须显式确认，超容量回滚。'
       requestBody: {required: true, content: {application/json: {schema: {$ref: '#/components/schemas/BookingAcceptReceipt'}}}}
       responses: {'200': {$ref: '#/components/responses/BookingResult'}}
   /api/platform/v1/last-leg/fleet/trips/{tripNo}/bookings/{bookingNo}/dispatch:
@@ -450,6 +450,8 @@ components:
       properties:
         warehousePalletId: {type: string}
         palletSpaces: {type: integer, minimum: 1}
+        weightKg: {type: number, nullable: true, minimum: 0.001, description: 当前组成缺少可信测量时必填，为该票外接货实测毛重，不填整托其他来源重量}
+        volumeCbm: {type: number, nullable: true, minimum: 0.001, description: 当前组成变化后重新实测的该票货体积；不沿用旧托盘或计费材积重}
     BookingAcceptReceipt:
       allOf:
         - {$ref: '#/components/schemas/BookingCommand'}