chore: add documentation comments and stylecop rules

src/Application/TakeoutSaaS.Application/Identity/Handlers/ListRoleTemplatesQueryHandler.cs

@@ -16,9 +16,11 @@ public sealed class ListRoleTemplatesQueryHandler(IRoleTemplateRepository roleTe
     /// <inheritdoc />
     public async Task<IReadOnlyList<RoleTemplateDto>> Handle(ListRoleTemplatesQuery request, CancellationToken cancellationToken)
     {
+        // 1. 查询模板与权限映射
         var templates = await roleTemplateRepository.GetAllAsync(request.IsActive, cancellationToken);
         var permissionsMap = await roleTemplateRepository.GetPermissionsAsync(templates.Select(t => t.Id), cancellationToken);
 
+        // 2. 排序并映射 DTO
         var dtos = templates
             .OrderBy(template => template.TemplateCode, StringComparer.OrdinalIgnoreCase)
             .Select(template =>
@@ -30,6 +32,7 @@ public sealed class ListRoleTemplatesQueryHandler(IRoleTemplateRepository roleTe
             })
             .ToArray();
 
+        // 3. 返回结果
         return dtos;
     }
 }