fix: 资产钱包自动创建机制 — 修复C端购买时钱包不存在报错

- client_order: 新增 getOrCreateWallet 兜底，钱包不存在时自动创建
- device_import: 设备导入事务内同步创建设备钱包
- iot_card_import: IoT卡批量导入后批量创建卡钱包
- queue/handler: 传递 AssetWalletStore 给两个导入 handler
- migration 000098: 为存量IoT卡和设备补建资产钱包

internal/task/device_import.go

@@ -34,6 +34,7 @@ type DeviceImportHandler struct {
 	deviceStore           *postgres.DeviceStore
 	deviceSimBindingStore *postgres.DeviceSimBindingStore
 	iotCardStore          *postgres.IotCardStore
+	assetWalletStore      *postgres.AssetWalletStore
 	storageService        *storage.Service
 	logger                *zap.Logger
 }
@@ -45,6 +46,7 @@ func NewDeviceImportHandler(
 	deviceStore *postgres.DeviceStore,
 	deviceSimBindingStore *postgres.DeviceSimBindingStore,
 	iotCardStore *postgres.IotCardStore,
+	assetWalletStore *postgres.AssetWalletStore,
 	storageSvc *storage.Service,
 	logger *zap.Logger,
 ) *DeviceImportHandler {
@@ -55,6 +57,7 @@ func NewDeviceImportHandler(
 		deviceStore:           deviceStore,
 		deviceSimBindingStore: deviceSimBindingStore,
 		iotCardStore:          iotCardStore,
+		assetWalletStore:      assetWalletStore,
 		storageService:        storageSvc,
 		logger:                logger,
 	}
@@ -294,6 +297,21 @@ func (h *DeviceImportHandler) processBatch(ctx context.Context, task *model.Devi
 				}
 			}
 
+			// 创建设备资产钱包（设备存在即应有钱包，避免购买时才发现缺失）
+			txWalletStore := postgres.NewAssetWalletStore(tx, nil)
+			deviceWallet := &model.AssetWallet{
+				ResourceType:  constants.AssetWalletResourceTypeDevice,
+				ResourceID:    device.ID,
+				Balance:       0,
+				FrozenBalance: 0,
+				Currency:      "CNY",
+				Status:        constants.AssetWalletStatusNormal,
+				Version:       0,
+			}
+			if err := txWalletStore.Create(ctx, deviceWallet); err != nil {
+				return err
+			}
+
 			return nil
 		})