feat: 资产标识符标准化、资产历史订单查询及导入虚拟号强制验证

主要变更：
- 新增 AssetIdentifier 模型及 Store，统一管理资产标识符（ICCID/IMEI/SN 等）
- 新增迁移：asset_identifier 表、order 表新增 asset_identifier 字段、iot_card.virtual_no NOT NULL 约束
- 资产 Handler/Service/Route 全面重构，支持标识符路由查询与解析
- 新增资产历史订单查询接口，支持跨设备/卡/钱包维度的订单聚合
- 设备与物联卡导入任务强制校验虚拟号，缺失时直接拒绝
- Excel 工具函数优化，前端导入指引文档同步更新
- 归档三个 OpenSpec 提案：asset-identifier-standardization、asset-historical-orders、import-mandatory-virtual-no
- 更新 OpenAPI 文档及相关 DTO

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

internal/service/device/service.go

@@ -31,6 +31,7 @@ type Service struct {
 	shopSeriesAllocationStore  *postgres.ShopSeriesAllocationStore
 	packageSeriesStore         *postgres.PackageSeriesStore
 	gatewayClient              *gateway.Client
+	assetIdentifierStore       *postgres.AssetIdentifierStore
 }
 
 func New(
@@ -45,6 +46,7 @@ func New(
 	shopSeriesAllocationStore *postgres.ShopSeriesAllocationStore,
 	packageSeriesStore *postgres.PackageSeriesStore,
 	gatewayClient *gateway.Client,
+	assetIdentifierStore *postgres.AssetIdentifierStore,
 ) *Service {
 	return &Service{
 		db:                         db,
@@ -58,6 +60,7 @@ func New(
 		shopSeriesAllocationStore:  shopSeriesAllocationStore,
 		packageSeriesStore:         packageSeriesStore,
 		gatewayClient:              gatewayClient,
+		assetIdentifierStore:       assetIdentifierStore,
 	}
 }
 
@@ -222,7 +225,32 @@ func (s *Service) Delete(ctx context.Context, id uint) error {
 		return err
 	}
 
-	return s.deviceStore.Delete(ctx, id)
+	if err := s.deviceStore.Delete(ctx, id); err != nil {
+		return err
+	}
+
+	if s.assetIdentifierStore != nil {
+		_ = s.assetIdentifierStore.DeleteByAsset(ctx, model.AssetTypeDevice, id)
+	}
+
+	return nil
+}
+
+// GetByVirtualNo 通过虚拟号获取设备
+func (s *Service) GetByVirtualNo(ctx context.Context, virtualNo string) (*model.Device, error) {
+	return s.deviceStore.GetByIdentifier(ctx, virtualNo)
+}
+
+// GetCardByICCID 通过 ICCID 获取 IoT 卡
+func (s *Service) GetCardByICCID(ctx context.Context, iccid string) (*model.IotCard, error) {
+	cards, err := s.iotCardStore.GetByICCIDs(ctx, []string{iccid})
+	if err != nil {
+		return nil, errors.Wrap(errors.CodeDatabaseError, err, "查询卡失败")
+	}
+	if len(cards) == 0 {
+		return nil, errors.New(errors.CodeNotFound, "卡不存在")
+	}
+	return cards[0], nil
 }
 
 // AllocateDevices 批量分配设备