feat: 订单资料图片完整展示与打手快捷复制

- 修复资料截图 URL 过期问题：读取工单时统一重签截图访问链接（后台/打手端/收集页）
- 修复后台手动补资料截图从未保存的问题（提交真实上传列表）
- 收集页提交后回显已上传截图，补资料弹窗重开回显已有截图
- 打手端我的订单新增快捷复制：复制信息（多行标签:值）+ 一键复制图片（JPEG 自动转 PNG）
- 快捷复制列与后台资料列同款展示：全字段逐行 + 截图缩略图
- 后台接单工单资料列优化：显示全部字段与截图缩略图
- 详情抽屉移除冗余的资料要求卡片

apps/backend/src/services/worker-platform/mappers.ts

@@ -345,6 +345,25 @@ export function mapFinanceRequest(request: WorkerFinanceRequestRow | null | unde
   }
 }
 
+/** 读取工单资料：刷新买家主页截图等文件的访问链接（签名 15 分钟过期，读取时必须重签） */
+export function mapWorkOrderMaterial(value: unknown) {
+  const material = safeParseJson(value)
+  const collect =
+    material.collect && typeof material.collect === 'object' && !Array.isArray(material.collect)
+      ? (material.collect as JsonObject)
+      : null
+  if (!collect) {
+    return material
+  }
+  return {
+    ...material,
+    collect: {
+      ...collect,
+      screenshots: normalizeUploadedFiles(collect.screenshots).map(refreshUploadedFileUrls),
+    },
+  }
+}
+
 export function mapWorkOrderAdmin(workOrder: WorkOrderRow) {
   return {
     workOrderId: Number(workOrder.id),
@@ -369,7 +388,7 @@ export function mapWorkOrderAdmin(workOrder: WorkOrderRow) {
     depositThresholdAmount: Number(
       workOrder.deposit_threshold_amount || DEFAULT_DEPOSIT_THRESHOLD_AMOUNT,
     ),
-    material: safeParseJson(workOrder.material_json),
+    material: mapWorkOrderMaterial(workOrder.material_json),
     requirement: {
       fields: resolveRequirementFields(workOrder),
     },
@@ -448,10 +467,15 @@ export function mapWorkOrderPublic(workOrder: WorkOrderRow) {
 }
 
 export function mapCollectLookupOrder(workOrder: WorkOrderRow) {
+  const material = mapWorkOrderMaterial(workOrder.material_json)
   return {
     ...mapWorkOrderPublic(workOrder),
     fields: resolveRequirementFields(workOrder),
     values: resolveCollectSubmittedFieldValues(workOrder),
+    screenshots:
+      material.collect && Array.isArray(material.collect.screenshots)
+        ? material.collect.screenshots
+        : [],
   }
 }