fix: 修复授权记录备注修改权限问题

- 实现备注权限检查逻辑（authorization_service.go）
- 添加备注权限验证存储层（authorization_store.go）
- 新增集成测试覆盖备注权限场景
- 归档 fix-authorization-remark-permission 变更
- 同步 enterprise-card-authorization spec 规范

internal/store/postgres/enterprise_card_authorization_store.go

@@ -386,6 +386,19 @@ func (s *EnterpriseCardAuthorizationStore) UpdateRemark(ctx context.Context, id
 	return nil
 }
 
+func (s *EnterpriseCardAuthorizationStore) UpdateRemarkWithConstraint(ctx context.Context, id uint, remark string, authorizedBy uint) error {
+	result := s.db.WithContext(ctx).Model(&model.EnterpriseCardAuthorization{}).
+		Where("id = ? AND authorized_by = ?", id, authorizedBy).
+		Update("remark", remark)
+	if result.Error != nil {
+		return result.Error
+	}
+	if result.RowsAffected == 0 {
+		return gorm.ErrRecordNotFound
+	}
+	return nil
+}
+
 func (s *EnterpriseCardAuthorizationStore) GetByID(ctx context.Context, id uint) (*model.EnterpriseCardAuthorization, error) {
 	var auth model.EnterpriseCardAuthorization
 	err := s.db.WithContext(ctx).Where("id = ?", id).First(&auth).Error