feat: close overseas wallet and pallet cost flow

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

@@ -678,6 +678,27 @@ paths:
         required: true
         content: { application/json: { schema: { $ref: '#/components/schemas/ProcurementReview' } } }
       responses: { '200': { description: 统一 ApiResponse 包装的采购订单详情 } }
+  /api/platform/v1/last-leg/overseas-procurements/{orderNo}/files/{category}:
+    post:
+      summary: 上传采购签收文件或费用凭证
+      description: 权限 platform:overseas-business:purchase:edit；category 仅允许 RECEIPT 或 VOUCHER。
+      security: [{ bearerAuth: [] }]
+      parameters:
+        - { name: orderNo, in: path, required: true, schema: { type: string } }
+        - { name: category, in: path, required: true, schema: { type: string, enum: [RECEIPT, VOUCHER] } }
+        - { name: customerId, in: query, required: true, schema: { type: string, pattern: '^[1-9][0-9]*$' } }
+      requestBody: { required: true, content: { multipart/form-data: { schema: { type: object, required: [file], properties: { file: { type: string, format: binary } } } } } }
+      responses: { '200': { description: 已保存文件元数据 } }
+  /api/platform/v1/last-leg/overseas-procurements/{orderNo}/fees:
+    post:
+      summary: 登记采购费用并发起资金冻结
+      description: 权限 platform:overseas-business:purchase:edit；订单必须已审核通过，费用凭证必须属于本订单。
+      security: [{ bearerAuth: [] }]
+      parameters:
+        - { name: orderNo, in: path, required: true, schema: { type: string } }
+        - { name: customerId, in: query, required: true, schema: { type: string, pattern: '^[1-9][0-9]*$' } }
+      requestBody: { required: true, content: { application/json: { schema: { $ref: '#/components/schemas/ProcurementFeeCreate' } } } }
+      responses: { '200': { description: 已创建费用并进入冻结流程 }, '409': { description: 订单状态或凭证不允许 } }
   /api/merchant/v1/last-leg/delivery-orders:
     get:
       summary: 客户分页查询自己的派送单
@@ -1641,13 +1662,14 @@ components:
     RelabelStatus: { type: string, enum: [PENDING_PROCESSING, PROCESSING, COMPLETED, REJECTED, CANCELLED] }
     RelabelCreate:
       type: object
-      required: [customerOrderNo, overseasWarehouseId, labelDeadline, contactName, contactPhone, idempotencyKey, items]
+      required: [customerOrderNo, overseasWarehouseId, labelDeadline, contactName, contactPhone, chargeAmount, idempotencyKey, items]
       properties:
         customerOrderNo: { type: string, maxLength: 128 }
         overseasWarehouseId: { type: string, maxLength: 128 }
         labelDeadline: { type: string, format: date-time }
         contactName: { type: string, maxLength: 128 }
         contactPhone: { type: string, maxLength: 64 }
+        chargeAmount: { type: number, minimum: 0.01, description: 换标费用，币种固定 CNY }
         remark: { type: string, nullable: true, maxLength: 1000 }
         idempotencyKey: { type: string, maxLength: 255 }
         items: { type: array, minItems: 1, maxItems: 500, items: { $ref: '#/components/schemas/RelabelItem' } }
@@ -1764,7 +1786,7 @@ components:
         updatedAt: { type: string, format: date-time }
     ProcurementDetail:
       type: object
-      required: [summary, histories, outboundDetails]
+      required: [summary, histories, outboundDetails, files, fees]
       properties:
         summary: { $ref: '#/components/schemas/ProcurementSummary' }
         productUrl: { type: string, nullable: true }
@@ -1783,6 +1805,42 @@ components:
         reviewedAt: { type: string, format: date-time, nullable: true }
         histories: { type: array, items: { $ref: '#/components/schemas/BusinessHistory' } }
         outboundDetails: { type: array, items: { $ref: '#/components/schemas/ProcurementOutboundDetail' } }
+        files: { type: array, items: { $ref: '#/components/schemas/ProcurementFile' } }
+        fees: { type: array, items: { $ref: '#/components/schemas/ProcurementFee' } }
+    ProcurementFeeCreate:
+      type: object
+      required: [feeItemCode, feeItemName, amount, voucherFileId]
+      properties:
+        feeItemCode: { type: string, maxLength: 64 }
+        feeItemName: { type: string, maxLength: 128 }
+        amount: { type: number, minimum: 0.01 }
+        voucherFileId: { type: string, pattern: '^[0-9]+$' }
+        remark: { type: string, nullable: true, maxLength: 500 }
+    ProcurementFile:
+      type: object
+      properties:
+        id: { type: string }
+        category: { type: string, enum: [RECEIPT, VOUCHER] }
+        fileId: { type: string }
+        fileName: { type: string }
+        contentType: { type: string, nullable: true }
+        sizeBytes: { type: integer, format: int64 }
+        createdAt: { type: string, format: date-time }
+    ProcurementFee:
+      type: object
+      properties:
+        id: { type: string }
+        feeNo: { type: string }
+        feeItemCode: { type: string }
+        feeItemName: { type: string }
+        amount: { type: number }
+        currency: { type: string, enum: [CNY] }
+        voucherFileId: { type: string }
+        voucherFileName: { type: string }
+        remark: { type: string, nullable: true }
+        walletStatus: { type: string }
+        walletErrorMessage: { type: string, nullable: true }
+        createdAt: { type: string, format: date-time }
     ProcurementOutboundDetail:
       type: object
       properties: