优化

lastleg-service/AGENTS.md

@@ -25,7 +25,7 @@
 | 托盘分配算法 | `inboundplan/service/PalletAllocator.java` |
 | FBA 预约创建、详情与编辑 | `InboundPlanController.java` 的 `/fba-appointments/**`、`inboundplan/service/InboundFbaAppointmentService.java`、`BatchFbaAppointmentRequest.java`、`UpdateFbaAppointmentRequest.java` |
 | PDA 入仓、实收、上架与完成 | `inboundplan/pda/controller/ReceivingContainerController.java`、`inboundplan/pda/service/ReceivingContainerService.java`、内部编排 `InboundPdaWorkflowService.java`；公网入口固定为 `/api/pda/v1/last-leg/receiving-containers/**`，旧 planNo/allocationId Controller 已移除 |
-| PDA 卸柜照片文件上传与归属校验 | `ReceivingContainerController.java` 的 `/current/unload-photos/files`、`inboundplan/pda/gateway/UnloadPhotoFileGateway.java`、`HttpUnloadPhotoFileGateway.java`；File 类型固定 `OVERSEAS_UNLOAD_PHOTO` |
+| PDA 卸柜照片上传、归属校验与预览 | `ReceivingContainerController.java` 的 `/current/unload-photos/files`、`/current/unload-photos/files/{fileId}/download`，网关 `inboundplan/pda/gateway/UnloadPhotoFileGateway.java`、`HttpUnloadPhotoFileGateway.java`；File 类型固定 `OVERSEAS_UNLOAD_PHOTO`，下载只允许当前会话已签收的 fileId 并返回 `no-store` |
 | 卸柜照片与海外卸柜完成 Outbox | `ReceivingContainerController.java`、`ReceivingContainerService.java`、`inboundplan/pda/service/InboundUnloadCompletedOutboxService.java`、`entity/LastlegEventOutbox.java`、`mapper/LastlegEventOutboxMapper.java`；多计划同柜只能在全柜完成后调用 `publishContainerCompleted`，按来源柜预订 ID 幂等发布一次，完成时刻与拍照时刻分离；事件模型见 `../common-event-contract/AGENTS.md` |
 | 入仓后 SKU 库存余额、库位和流水 | `inventory/`；平台只读查询与非出库库存命令分别从 `inventory/query/controller/InventoryQueryController.java`、`inventory/command/controller/InventoryCommandController.java` 进入 |
 | 海外PDA盘点、同仓整托移库、托盘组拆换绑与换标现场作业 | `pda/stocktake/`、`pda/move/`、`palletops/`、`relabel/pda/`；版本化契约 `src/main/resources/openapi/overseas-pda-operations-v1.yaml`；全部范围取自PDA Token，不含出库和派送 |