feat: 任务标题改为SPU+品牌+平台，SPU输入限制大写字母和数字

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

@@ -657,11 +657,11 @@ public class TaskApprovalService {
                     
                     if (allowedDeptIds != null && !allowedDeptIds.isEmpty()) {
                         String[] deptIds = allowedDeptIds.split(",");
-                        if (deptIds.length > 0) {
-                            Long deptId = Long.parseLong(deptIds[0].trim());
-                            Department dept = departmentMapper.selectById(deptId);
-                            if (dept != null && dept.getLeaderId() != null) {
-                                return dept.getLeaderId();
+                    if (deptIds.length > 0) {
+                        Long deptId = Long.parseLong(deptIds[0].trim());
+                        Department dept = departmentMapper.selectById(deptId);
+                        if (dept != null && dept.getLeaderId() != null) {
+                            return dept.getLeaderId();
                             }
                         }
                     }

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

@@ -157,17 +157,17 @@ public class TaskItemService {
                     }
                     
                     if (allowedDeptIds != null && !allowedDeptIds.isEmpty()) {
-                        // 检查用户部门是否在允许列表中
+                    // 检查用户部门是否在允许列表中
                         String[] allowedIds = allowedDeptIds.split(",");
-                        boolean isAllowed = false;
-                        for (String allowedId : allowedIds) {
-                            if (allowedId.trim().equals(String.valueOf(user.getDeptId()))) {
-                                isAllowed = true;
-                                break;
-                            }
+                    boolean isAllowed = false;
+                    for (String allowedId : allowedIds) {
+                        if (allowedId.trim().equals(String.valueOf(user.getDeptId()))) {
+                            isAllowed = true;
+                            break;
                         }
-                        if (!isAllowed) {
-                            throw new BusinessException(ResultCode.FORBIDDEN, "您的部门无权接收此类型的任务");
+                    }
+                    if (!isAllowed) {
+                        throw new BusinessException(ResultCode.FORBIDDEN, "您的部门无权接收此类型的任务");
                         }
                     }
                 }

frontend/src/views/CreateTask.vue

@@ -52,7 +52,7 @@
               />
               <div class="title-auto-tip">
                 <Icon name="info" size="xs" style="margin-right: 4px;" />
-                <span>标题将根据SPU信息、平台、品牌、任务子类型、需求类型自动生成</span>
+                <span>标题将根据SPU、品牌、平台自动生成</span>
               </div>
             </a-form-item>
 
@@ -352,11 +352,11 @@
 
             <!-- SPU信息 -->
             <a-form-item label="SPU信息" name="spuInfo">
-              <a-textarea
+              <a-input
                 v-model:value="formData.spuInfo"
-                placeholder="请输入SPU信息"
-                :rows="2"
+                placeholder="请输入SPU编号（仅支持大写字母和数字）"
                 size="large"
+                @input="handleSpuInput"
               />
             </a-form-item>
 
@@ -890,7 +890,15 @@ const removeTaskType = (index: number) => {
   }
 }
 
-// 自动生成任务标题
+// 处理SPU输入（只允许大写字母和数字）
+const handleSpuInput = (e: Event) => {
+  const input = e.target as HTMLInputElement
+  // 移除非大写字母和数字的字符，同时将小写字母转为大写
+  const filtered = input.value.toUpperCase().replace(/[^A-Z0-9]/g, '')
+  formData.spuInfo = filtered
+}
+
+// 自动生成任务标题（SPU + 品牌名 + 平台名）
 const generateTitle = () => {
   const parts: string[] = []
   
@@ -899,15 +907,7 @@ const generateTitle = () => {
     parts.push(formData.spuInfo.trim())
   }
   
-  // 2. 平台名称
-  if (formData.platformId) {
-    const platform = platforms.value.find((p: any) => p.id === formData.platformId)
-    if (platform) {
-      parts.push(platform.name)
-    }
-  }
-  
-  // 3. 品牌名称
+  // 2. 品牌名称
   if (formData.brandId) {
     const brand = brands.value.find((b: any) => b.id === formData.brandId)
     if (brand) {
@@ -915,16 +915,11 @@ const generateTitle = () => {
     }
   }
   
-  // 4. 任务子类型
-  if (formData.taskSubType) {
-    parts.push(formData.taskSubType)
-  }
-  
-  // 5. 需求类型（第一个任务类型名称）
-  if (formData.taskTypes.length > 0 && formData.taskTypes[0].taskTypeId) {
-    const taskType = getTaskTypeInfo(formData.taskTypes[0].taskTypeId)
-    if (taskType) {
-      parts.push(taskType.name)
+  // 3. 平台名称
+  if (formData.platformId) {
+    const platform = platforms.value.find((p: any) => p.id === formData.platformId)
+    if (platform) {
+      parts.push(platform.name)
     }
   }
   
@@ -934,20 +929,16 @@ const generateTitle = () => {
   }
 }
 
-// 监听相关字段变化，自动生成标题
+// 监听相关字段变化，自动生成标题（SPU + 品牌 + 平台）
 watch(
   () => [
     formData.spuInfo,
-    formData.platformId,
     formData.brandId,
-    formData.taskSubType,
-    formData.taskTypes[0]?.taskTypeId
+    formData.platformId
   ],
   () => {
-    // 只有当标题为空或是之前自动生成的标题时才自动更新
     generateTitle()
-  },
-  { deep: true }
+  }
 )
 
 // 计算预估积分（累加所有任务类型）