fix: 完善子任务组审核卡片，显示与主任务相同的完整信息

1. 后端增强getPendingApprovalGroups返回完整数据：
   - 品牌、类目、平台、SPU信息
   - 发起人姓名和部门
   - 任务类型明细
   - 预览图和附件
   - 计算子任务组总积分
   - 前置任务的素材下载链接（流水线继承）

2. 前端修改：
   - 子任务组使用与主任务相同的数据结构
   - 卡片显示完整的任务信息
   - 显示前置素材下载按钮

backend/src/main/java/com/designhub/service/TaskItemService.java

@@ -1069,13 +1069,95 @@ public class TaskItemService {
                     groupInfo.put("taskTitle", mainTask.getTitle());
                     groupInfo.put("taskNo", mainTask.getTaskNo());
                     groupInfo.put("groupNo", item.getGroupNo());
-                    groupInfo.put("groupId", item.getGroupNo()); // 前端使用groupId作为唯一标识
+                    groupInfo.put("groupId", item.getGroupNo());
                     groupInfo.put("itemCount", 1);
                     groupInfo.put("createTime", item.getCreateTime());
+                    
+                    // 添加主任务的完整信息
+                    groupInfo.put("brandId", mainTask.getBrandId());
+                    groupInfo.put("brandName", mainTask.getBrandName());
+                    groupInfo.put("categoryId", mainTask.getCategoryId());
+                    groupInfo.put("categoryName", mainTask.getCategoryName());
+                    groupInfo.put("platformId", mainTask.getPlatformId());
+                    groupInfo.put("platformName", mainTask.getPlatformName());
+                    groupInfo.put("spuInfo", mainTask.getSpuInfo());
+                    groupInfo.put("quantity", mainTask.getQuantity());
+                    groupInfo.put("previewImage", mainTask.getPreviewImage());
+                    groupInfo.put("attachmentUrl", mainTask.getAttachmentUrl());
+                    groupInfo.put("remark", mainTask.getRemark());
+                    groupInfo.put("typeDetails", mainTask.getTypeDetails());
+                    
+                    // 发起人信息
+                    groupInfo.put("publisherId", mainTask.getPublisherId());
+                    if (mainTask.getPublisherId() != null) {
+                        com.designhub.entity.User publisher = userMapper.selectById(mainTask.getPublisherId());
+                        if (publisher != null) {
+                            groupInfo.put("publisherName", publisher.getRealName());
+                            groupInfo.put("publisherDeptName", publisher.getDeptName());
+                        }
+                    }
+                    
+                    // 子任务的任务类型信息
+                    groupInfo.put("taskTypeId", item.getTaskTypeId());
+                    if (item.getTaskTypeId() != null) {
+                        com.designhub.entity.DemandType taskType = demandTypeMapper.selectById(item.getTaskTypeId());
+                        if (taskType != null) {
+                            groupInfo.put("taskTypeName", taskType.getName());
+                        }
+                    }
+                    
+                    // 计算子任务组总积分
+                    groupInfo.put("totalScore", item.getScore() != null ? item.getScore() : 0);
+                    
+                    // 获取前置子任务的素材下载链接（流水线继承）
+                    if (item.getGroupNo() != null && item.getGroupNo() > 1) {
+                        // 查找前一组已完成的子任务的下载链接
+                        List<TaskItem> prevGroupItems = taskItemMapper.selectList(
+                            new LambdaQueryWrapper<TaskItem>()
+                                .eq(TaskItem::getTaskId, item.getTaskId())
+                                .eq(TaskItem::getGroupNo, item.getGroupNo() - 1)
+                                .eq(TaskItem::getStatus, "completed")
+                        );
+                        if (!prevGroupItems.isEmpty()) {
+                            // 收集所有前置子任务的下载链接
+                            List<String> prevDownloadUrls = prevGroupItems.stream()
+                                .filter(pi -> pi.getDownloadUrl() != null && !pi.getDownloadUrl().isEmpty())
+                                .map(TaskItem::getDownloadUrl)
+                                .collect(java.util.stream.Collectors.toList());
+                            if (!prevDownloadUrls.isEmpty()) {
+                                groupInfo.put("prevDownloadUrls", prevDownloadUrls);
+                            }
+                        }
+                    }
+                    
+                    // 存储子任务列表，用于显示详情
+                    List<Map<String, Object>> itemsList = new java.util.ArrayList<>();
+                    Map<String, Object> itemInfo = new HashMap<>();
+                    itemInfo.put("id", item.getId());
+                    itemInfo.put("itemNo", item.getItemNo());
+                    itemInfo.put("taskTypeId", item.getTaskTypeId());
+                    itemInfo.put("score", item.getScore());
+                    itemsList.add(itemInfo);
+                    groupInfo.put("items", itemsList);
+                    
                     groupMap.put(key, groupInfo);
                 } else {
                     Map<String, Object> groupInfo = groupMap.get(key);
                     groupInfo.put("itemCount", (Integer) groupInfo.get("itemCount") + 1);
+                    // 累加积分
+                    Integer currentScore = (Integer) groupInfo.get("totalScore");
+                    Integer itemScore = item.getScore() != null ? item.getScore() : 0;
+                    groupInfo.put("totalScore", currentScore + itemScore);
+                    
+                    // 添加到子任务列表
+                    @SuppressWarnings("unchecked")
+                    List<Map<String, Object>> itemsList = (List<Map<String, Object>>) groupInfo.get("items");
+                    Map<String, Object> itemInfo = new HashMap<>();
+                    itemInfo.put("id", item.getId());
+                    itemInfo.put("itemNo", item.getItemNo());
+                    itemInfo.put("taskTypeId", item.getTaskTypeId());
+                    itemInfo.put("score", item.getScore());
+                    itemsList.add(itemInfo);
                 }
             }
         }

frontend/src/views/TaskHall.vue

@@ -554,21 +554,17 @@
                 <!-- 任务信息 -->
                 <div class="task-info-wrapper">
                   <div class="task-info task-info-3col">
-                    <div v-if="task._itemType !== 'taskGroup'" class="info-item">
+                    <div class="info-item">
                       <span class="label">任务类型</span>
                       <span class="value">{{ getTaskTypeName(task.taskTypeId, task.taskTypeName, task.taskSubType) }}</span>
                     </div>
-                    <div v-if="task._itemType === 'taskGroup'" class="info-item">
-                      <span class="label">子任务数量</span>
-                      <span class="value">{{ task._groupData?.itemCount || 0 }} 个</span>
-                    </div>
                     <div class="info-item">
                       <span class="label">预估积分</span>
-                      <span class="value text-brand">{{ task.totalScore || task.score || task._groupData?.totalScore || 0 }} 分</span>
+                      <span class="value text-brand">{{ task.totalScore || task.score || 0 }} 分</span>
                     </div>
-                    <div v-if="task._itemType !== 'taskGroup'" class="info-item">
-                      <span class="label">数量</span>
-                      <span class="value">{{ task.quantity || '--' }} 个</span>
+                    <div class="info-item">
+                      <span class="label">{{ task._itemType === 'taskGroup' ? '子任务数' : '数量' }}</span>
+                      <span class="value">{{ task._itemType === 'taskGroup' ? (task._groupData?.itemCount || 1) : (task.quantity || '--') }} 个</span>
                     </div>
                   </div>
                   <!-- 预览图 -->
@@ -580,8 +576,8 @@
                   </div>
                 </div>
 
-                <!-- 任务类型明细（仅主任务） -->
-                <div v-if="task._itemType !== 'taskGroup' && parseTypeDetails(task.typeDetails).length > 0" class="type-details-section">
+                <!-- 任务类型明细 -->
+                <div v-if="parseTypeDetails(task.typeDetails).length > 0" class="type-details-section">
                   <div class="type-details-title">任务类型明细</div>
                   <div class="type-details-list">
                     <div v-for="(detail, idx) in parseTypeDetails(task.typeDetails)" :key="idx" class="type-detail-item">
@@ -594,12 +590,6 @@
                 <!-- 任务详情 -->
                 <div class="task-details">
                   <div class="detail-item">
-                    <span class="icon">
-                      <Icon name="hash" size="sm" color="#31f08b" />
-                    </span>
-                    <span>任务编号: {{ task.taskNo || task._groupData?.taskNo || '--' }}</span>
-                  </div>
-                  <div v-if="task._itemType !== 'taskGroup'" class="detail-item">
                     <span class="icon">
                       <Icon name="user" size="sm" color="#31f08b" />
                     </span>
@@ -611,43 +601,43 @@
                     </span>
                     <span>接单人: {{ task.receiverName || '--' }}</span>
                   </div>
-                  <div v-if="task._itemType !== 'taskGroup' && task.brandName" class="detail-item">
+                  <div v-if="task.brandName" class="detail-item">
                     <span class="icon">
                       <Icon name="tag" size="sm" color="#31f08b" />
                     </span>
                     <span>品牌: {{ task.brandName }}</span>
                   </div>
-                  <div v-if="task._itemType !== 'taskGroup' && task.categoryName" class="detail-item">
+                  <div v-if="task.categoryName" class="detail-item">
                     <span class="icon">
                       <Icon name="folder" size="sm" color="#31f08b" />
                     </span>
                     <span>类目: {{ task.categoryName }}</span>
                   </div>
-                  <div v-if="task._itemType !== 'taskGroup' && task.platformName" class="detail-item">
+                  <div v-if="task.platformName" class="detail-item">
                     <span class="icon">
                       <Icon name="monitor" size="sm" color="#31f08b" />
                     </span>
                     <span>平台: {{ task.platformName }}</span>
                   </div>
-                  <div v-if="task._itemType !== 'taskGroup' && task.spuInfo" class="detail-item">
+                  <div v-if="task.spuInfo" class="detail-item">
                     <span class="icon">
                       <Icon name="package" size="sm" color="#31f08b" />
                     </span>
                     <span>SPU: {{ task.spuInfo }}</span>
                   </div>
-                  <div v-if="task._itemType !== 'taskGroup' && task.taskSubType" class="detail-item">
+                  <div v-if="task.taskSubType" class="detail-item">
                     <span class="icon">
                       <Icon name="list" size="sm" color="#31f08b" />
                     </span>
                     <span>子类型: {{ task.taskSubType }}</span>
                   </div>
-                  <div v-if="task._itemType !== 'taskGroup' && task.deliveryPath" class="detail-item">
+                  <div v-if="task.deliveryPath" class="detail-item">
                     <span class="icon">
                       <Icon name="link" size="sm" color="#31f08b" />
                     </span>
                     <span>交付路径: {{ task.deliveryPath }}</span>
                   </div>
-                  <div v-if="task._itemType !== 'taskGroup' && task.attachmentUrl" class="detail-item">
+                  <div v-if="task.attachmentUrl" class="detail-item">
                     <span class="icon">
                       <Icon name="paperclip" size="sm" color="#31f08b" />
                     </span>
@@ -664,6 +654,30 @@
                       </a>
                     </span>
                   </div>
+                  <!-- 前置素材下载（流水线继承） -->
+                  <div v-if="task._itemType === 'taskGroup' && task.prevDownloadUrls && task.prevDownloadUrls.length > 0" class="detail-item">
+                    <span class="icon">
+                      <Icon name="download" size="sm" color="#31f08b" />
+                    </span>
+                    <span>前置素材: 
+                      <a 
+                        v-for="(url, index) in task.prevDownloadUrls" 
+                        :key="index"
+                        :href="url" 
+                        target="_blank"
+                        class="attachment-link download-link"
+                        @click.stop
+                      >
+                        下载{{ index + 1 }}
+                      </a>
+                    </span>
+                  </div>
+                </div>
+
+                <!-- 任务编号（底部） -->
+                <div class="task-no-section">
+                  <Icon name="hash" size="sm" color="#31f08b" />
+                  <span>{{ task.taskNo || '--' }}</span>
                 </div>
 
                 <!-- 操作按钮 -->
@@ -3846,7 +3860,7 @@ const loadReviewTasks = async () => {
       })
     }
     
-    // 处理子任务组（如果有）
+    // 处理子任务组（如果有）- 使用与主任务相同的数据结构
     if (groupsResponse && groupsResponse.code === 200 && groupsResponse.data) {
       for (const group of groupsResponse.data) {
         allItems.push({
@@ -3854,8 +3868,30 @@ const loadReviewTasks = async () => {
           title: group.taskTitle || '子任务组',
           taskNo: group.taskNo || '',
           score: group.totalScore || 0,
+          totalScore: group.totalScore || 0,
           createTime: group.createTime,
-          _itemType: 'taskGroup', // 标记类型
+          // 继承主任务的完整信息
+          brandId: group.brandId,
+          brandName: group.brandName,
+          categoryId: group.categoryId,
+          categoryName: group.categoryName,
+          platformId: group.platformId,
+          platformName: group.platformName,
+          spuInfo: group.spuInfo,
+          quantity: group.itemCount || 1, // 子任务数量作为数量显示
+          previewImage: group.previewImage,
+          attachmentUrl: group.attachmentUrl,
+          remark: group.remark,
+          typeDetails: group.typeDetails,
+          taskTypeId: group.taskTypeId,
+          taskTypeName: group.taskTypeName,
+          publisherId: group.publisherId,
+          publisherName: group.publisherName,
+          publisherDeptName: group.publisherDeptName,
+          // 前置任务的素材下载链接
+          prevDownloadUrls: group.prevDownloadUrls || [],
+          // 标记类型
+          _itemType: 'taskGroup',
           _groupData: group // 保存原始子任务组数据
         })
       }
@@ -4616,16 +4652,16 @@ const loadAllTabCounts = async () => {
       )
     } else {
       // 普通用户：只计算主任务
-      promises.push(
-        taskApi.getAllPendingApprovalTasks({
-          page: 1,
-          pageSize: 1
-        }).then(res => {
-          if (res.data && res.data.total !== undefined) {
-            reviewTotal.value = res.data.total
-          }
-        }).catch(() => {})
-      )
+    promises.push(
+      taskApi.getAllPendingApprovalTasks({
+        page: 1,
+        pageSize: 1
+      }).then(res => {
+        if (res.data && res.data.total !== undefined) {
+          reviewTotal.value = res.data.total
+        }
+      }).catch(() => {})
+    )
     }
     
     // 4. 已完成任务数量