fix: support multi-customer overseas receiving containers

lastleg-service/src/main/resources/openapi/overseas-business-v1.yaml

@@ -29,8 +29,8 @@ paths:
         '409': { description: 入仓码跨客户或快照关系不一致 }
   /api/pda/v1/last-leg/receiving-containers/candidates:
     get:
-      summary: 查询当前客户待签收柜号
-      description: 权限 lastleg:pda:operate；仅 PLATFORM OVERSEAS_WAREHOUSE_PDA_OPERATOR 可用；仅返回已单调消费 PICKUP_READY(80) 或更高实际船节点、状态为 RECEIVING_AVAILABLE 的柜，不接收 customerId。
+      summary: 查询当前仓待签收柜号
+      description: 权限 lastleg:pda:operate；仅 PLATFORM OVERSEAS_WAREHOUSE_PDA_OPERATOR 可用；按来源柜跨客户聚合，仅返回已单调消费 PICKUP_READY(80) 或更高实际船节点、状态为 RECEIVING_AVAILABLE 的柜，不接收 customerId。
       security: [{ bearerAuth: [] }]
       responses: { '200': { description: 柜号候选及箱数进度, content: { application/json: { schema: { $ref: '#/components/schemas/ReceivingCandidateListApiResponse' } } } }, '403': { description: 缺少 PDA 操作权限 } }
   /api/pda/v1/last-leg/receiving-containers/warehouse-profile:
@@ -42,7 +42,7 @@ paths:
   /api/pda/v1/last-leg/receiving-containers/{containerNo}:
     get:
       summary: 查询待签收柜号详情
-      description: 权限 lastleg:pda:operate；按柜号唯一解析客户并返回柜内全部入仓码、目的类型、目的仓、托数和实收进度。
+      description: 权限 lastleg:pda:operate；按来源柜返回跨客户的全部入仓码、目的类型、目的仓、托数和实收进度；每个入仓码仍按自身客户隔离。
       security: [{ bearerAuth: [] }]
       parameters: [{ name: containerNo, in: path, required: true, schema: { type: string } }]
       responses: { '200': { description: 柜号详情, content: { application/json: { schema: { $ref: '#/components/schemas/ReceivingSessionApiResponse' } } } }, '409': { description: 当前账号已锁定其他柜号 } }