Merge test fixes into dev dropship flow

file/AGENTS.md

@@ -15,7 +15,7 @@
 | 测量图片/证据 | `controller/PlatformMeasurementImageController.java`、`InternalMeasurementImageController.java`、`service/MeasurementImageService.java` |
 | 平台订单商品图片读取 | `controller/PlatformProductImageController.java` 的 `/api/platform/v1/files/product-images/{tenantId}/{fileId}`、`service/ProductImageService.java`；仅平台 `platform:order:list` 可按明确客户与文件 ID 内联读取，响应 `no-store` |
 | 装柜与业务文件证据 | `controller/PlatformLoadingEvidenceController.java`、`InternalLoadingEvidenceController.java`、`service/LoadingEvidenceService.java`、`src/main/resources/openapi/loading-evidence-v1.yaml`；五类装柜证据固定为平台所有、`tenantId=0`、`businessId=containerBookingId`，不得绑定客户或入仓单。其他业务文件进入 `InternalBusinessFileController.java`、`service/InternalBusinessFileService.java` |
-| 财务付款凭证、海外卸柜照片 | 通用业务文件入口 `InternalBusinessFileController.java`、`InternalBusinessFileService.java`；`FINANCE_VOUCHER` 按客户与业务 ID 精确校验；`OVERSEAS_UNLOAD_PHOTO` 是多客户共享柜的物理证据，固定平台范围 `tenantId=0` 并按收货会话 ID 精确校验 |
+| 财务付款凭证、海外卸柜照片 | 通用业务文件入口 `InternalBusinessFileController.java`、`InternalBusinessFileService.java`；`FINANCE_VOUCHER` 按客户与业务 ID 精确校验；`OVERSEAS_UNLOAD_PHOTO` 是允许同柜多客户的柜级物理证据，固定平台范围 `tenantId=0` 并按接柜会话 ID 精确校验 |
 | 海外异常订单证据 | 通用内部业务文件入口；固定 `businessType=OVERSEAS_EXCEPTION_EVIDENCE`、`tenantId=异常订单所属客户ID`、`businessId=异常订单ID`，File 只校验文件复合归属，异常状态、完成门禁和证据引用归 Lastleg |
 | 海外换标 PDF 资料 | 通用内部业务文件入口，契约 `src/main/resources/openapi/overseas-relabel-document-v1.yaml`；`OVERSEAS_RELABEL_TOTAL_DOCUMENT` 按 `application.id`、`OVERSEAS_RELABEL_ITEM_DOCUMENT` 按 `item.id` 归属，必须指定明确客户与正数业务 ID；仅非空 PDF、最大 10MiB，校验 MIME 和文件签名。File 按客户、类型、业务 ID、文件 ID 复合校验，Lastleg 校验申请/明细关系、客户归属、权限和业务状态 |
 | 入库扣货凭证 | 通用内部业务文件入口；固定 `businessType=INBOUND_HOLD_EVIDENCE`、`tenantId=客户ID`、`businessId=入库单ID`，客户作用域单文件最多 10MiB；可见性与历史引用由 Firstleg 校验 |

file/src/main/java/com/baiyue/file/service/BusinessFileCategory.java

@@ -56,7 +56,8 @@ enum BusinessFileCategory {
 
     void validateOwner(long tenantId) {
         if ((this == OCEAN_BOOKING_DOCUMENT || this == OVERSEAS_UNLOAD_PHOTO) && tenantId != 0) {
-            throw new BizException(ResultCode.BAD_REQUEST, "该附件类型必须归属平台");
+            throw new BizException(ResultCode.BAD_REQUEST,
+                this == OCEAN_BOOKING_DOCUMENT ? "订舱附件必须归属平台" : "海外卸柜照片必须归属平台");
         }
         if (customerOwned && tenantId <= 0) {
             throw new BizException(ResultCode.BAD_REQUEST, "该附件类型必须归属明确客户");

file/src/test/java/com/baiyue/file/service/InternalBusinessFileServiceTest.java

@@ -44,6 +44,8 @@ class InternalBusinessFileServiceTest {
         when(storage.store(eq(0L), anyString(), same(file), any(BusinessFileCategory.class))).thenAnswer(invocation ->
             new BusinessFileStorage.Stored("business-files/0/" + invocation.getArgument(1) + "/customs.pdf",
                 "application/pdf", file.getSize(), "b".repeat(64), "customs.pdf"));
+        when(storage.store(0L, "51", file, BusinessFileCategory.OVERSEAS_UNLOAD_PHOTO)).thenReturn(new BusinessFileStorage.Stored(
+            "business-files/0/51/unload.jpg", "image/jpeg", file.getSize(), "c".repeat(64), "unload.jpg"));
         when(files.insert(any(FileObjectEntity.class))).thenAnswer(invocation -> {
             ((FileObjectEntity) invocation.getArgument(0)).setId(81L); return 1;
         });
@@ -72,7 +74,7 @@ class InternalBusinessFileServiceTest {
         verify(storage).store(0L, "41", file, BusinessFileCategory.CONTAINER_PICKUP_ORDER);
         verify(storage).store(0L, "51", file, BusinessFileCategory.OVERSEAS_UNLOAD_PHOTO);
         assertThatThrownBy(() -> service.upload(11L, "OVERSEAS_UNLOAD_PHOTO", "51", 7L, file))
-            .isInstanceOf(BizException.class).hasMessageContaining("必须归属平台");
+            .isInstanceOf(BizException.class).hasMessageContaining("卸柜照片必须归属平台");
     }
 
     @Test void oceanBookingDocumentUsesPlatformAndBookingOwnership() {