fix(dev-task): 移除测试验证/缺陷修复类型，测试已独立为单独模块

开发任务类型保留：前端开发、后端开发、数据库设计、接口联调、数据处理、实施支持

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/web/app/admin/categories/page.tsx

@@ -15,7 +15,7 @@ export default function CategoriesPage() {
   const [editingId, setEditingId] = useState<string | null>(null);
   const [editName, setEditName] = useState('');
 
-  const groups: CategoryGroup[] = ['development', 'testing', 'implementation', 'other'];
+  const groups: CategoryGroup[] = ['development', 'implementation', 'other'];
 
   const handleAdd = () => {
     if (!newName.trim()) return;