fix: 优化可接单部门标签显示

1. 移除无法识别的部门ID显示
2. 如果所有部门都可接单则不显示标签
3. 调整标签UI风格为绿色主题

frontend/src/views/TaskHall.vue

@@ -305,14 +305,13 @@
             <div v-if="getTaskAllowedDeptNames(task).length > 0" class="allowed-depts-section">
               <span class="allowed-depts-label">可接单部门：</span>
               <span class="allowed-depts-tags">
-                <a-tag 
+                <span 
                   v-for="(deptName, idx) in getTaskAllowedDeptNames(task)" 
                   :key="idx" 
-                  color="blue"
-                  size="small"
+                  class="dept-tag"
                 >
                   {{ deptName }}
-                </a-tag>
+                </span>
               </span>
             </div>
 
@@ -2917,19 +2916,23 @@ const getTaskAllowedDeptNames = (task: any): string[] => {
     }
   }
   
-  // 如果为空，表示所有接单部门都可以接单
+  // 如果为空，表示所有接单部门都可以接单，不显示标签
   if (!allowedDeptIds || allowedDeptIds.trim() === '') {
-    return ['全部接单部门']
+    return []
   }
   
-  // 将部门ID转换为部门名称
+  // 将部门ID转换为部门名称，只返回能找到名称的部门
   const deptIds = allowedDeptIds.split(',').map((id: string) => parseInt(id.trim()))
-  const deptNames = deptIds.map((id: number) => {
-    const dept = receivingDeptList.value.find(d => d.id === id)
-    return dept ? dept.deptName : `部门${id}`
-  })
+  const deptNames: string[] = []
   
-  return deptNames.filter((name: string) => name)
+  for (const id of deptIds) {
+    const dept = receivingDeptList.value.find(d => d.id === id)
+    if (dept && dept.deptName) {
+      deptNames.push(dept.deptName)
+    }
+  }
+  
+  return deptNames
 }
 
 // 构建级联选择器选项
@@ -6607,9 +6610,6 @@ onUnmounted(() => {
   flex-wrap: wrap;
   gap: $space-xs;
   margin-bottom: $space-md;
-  padding: $space-xs $space-sm;
-  background: rgba(#1890ff, 0.08);
-  border-radius: 6px;
   
   .allowed-depts-label {
     font-size: $font-size-xs;
@@ -6620,13 +6620,18 @@ onUnmounted(() => {
   .allowed-depts-tags {
     display: flex;
     flex-wrap: wrap;
-    gap: 4px;
+    gap: 6px;
     
-    :deep(.ant-tag) {
-      margin: 0;
+    .dept-tag {
+      display: inline-flex;
+      align-items: center;
+      padding: 2px 10px;
       font-size: $font-size-xs;
-      line-height: 18px;
-      padding: 0 6px;
+      color: $brand-primary;
+      background: rgba($brand-primary, 0.1);
+      border: 1px solid rgba($brand-primary, 0.3);
+      border-radius: 4px;
+      white-space: nowrap;
     }
   }
 }