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/model/dto/asset_dto.go

@@ -6,6 +6,7 @@ import "time"
 type AssetResolveResponse struct {
 	AssetType           string     `json:"asset_type" description:"资产类型：card 或 device"`
 	AssetID             uint       `json:"asset_id" description:"资产数据库ID"`
+	Identifier          string     `json:"identifier,omitempty" description:"解析时使用的标识符"`
 	VirtualNo           string     `json:"virtual_no" description:"虚拟号"`
 	Status              int        `json:"status" description:"资产状态"`
 	BatchNo             string     `json:"batch_no" description:"批次号"`
@@ -118,7 +119,12 @@ type AssetResolveRequest struct {
 	Identifier string `path:"identifier" description:"资产标识符（虚拟号/ICCID/IMEI/SN/MSISDN）" required:"true"`
 }
 
-// AssetTypeIDRequest 资产类型+ID请求（路径参数）
+// AssetIdentifierRequest 资产标识符路径参数请求
+type AssetIdentifierRequest struct {
+	Identifier string `path:"identifier" description:"资产标识符（ICCID 或 VirtualNo）" required:"true"`
+}
+
+// AssetTypeIDRequest 资产类型+ID请求（路径参数，保留用于钱包等向后兼容场景）
 type AssetTypeIDRequest struct {
 	AssetType string `path:"asset_type" description:"资产类型：card 或 device" required:"true"`
 	ID        uint   `path:"id" description:"资产ID" required:"true"`
@@ -197,12 +203,69 @@ type DeviceGatewayInfo struct {
 	IMSI       *string `json:"imsi,omitempty" description:"IMSI用户标识码"`
 }
 
+// AssetOrdersRequest 资产历史订单查询请求
+type AssetOrdersRequest struct {
+	Identifier      string `path:"identifier" description:"资产标识符（ICCID 或 VirtualNo）" required:"true"`
+	Page            int    `query:"page" validate:"omitempty,min=1" minimum:"1" description:"页码（默认1）"`
+	PageSize        int    `query:"page_size" validate:"omitempty,min=1,max=100" minimum:"1" maximum:"100" description:"每页条数（默认20，最大100）"`
+	IncludePrevious bool   `query:"include_previous" description:"是否包含前代订单，默认false"`
+}
+
+// AssetOrderItemDetail 订单中的套餐明细
+type AssetOrderItemDetail struct {
+	PackageName string `json:"package_name" description:"套餐名称快照"`
+	Quantity    int    `json:"quantity" description:"数量"`
+	UnitPrice   int64  `json:"unit_price" description:"单价(分)"`
+	Amount      int64  `json:"amount" description:"小计金额(分)"`
+}
+
+// AssetOrderItem 资产历史订单条目
+type AssetOrderItem struct {
+	OrderNo           string                  `json:"order_no" description:"订单号"`
+	OrderType         string                  `json:"order_type" description:"订单类型：single_card/device"`
+	PaymentStatus     int                     `json:"payment_status" description:"支付状态：1待支付 2已支付 3已取消 4已退款"`
+	PaymentStatusText string                  `json:"payment_status_text" description:"支付状态文本"`
+	TotalAmount       int64                   `json:"total_amount" description:"订单金额(分)"`
+	PaymentMethod     string                  `json:"payment_method" description:"支付方式：wallet/wechat/alipay/offline"`
+	PaidAt            *time.Time              `json:"paid_at,omitempty" description:"支付时间"`
+	Generation        int                     `json:"generation" description:"订单所属资产世代编号"`
+	Items             []*AssetOrderItemDetail `json:"items" description:"套餐明细列表"`
+	CreatedAt         time.Time               `json:"created_at" description:"订单创建时间"`
+}
+
+// GenerationOrders 本代订单块（支持分页）
+type GenerationOrders struct {
+	Generation int               `json:"generation" description:"世代编号"`
+	Identifier string            `json:"identifier" description:"资产标识符"`
+	AssetType  string            `json:"asset_type" description:"资产类型：card 或 device"`
+	Total      int64             `json:"total" description:"总订单数"`
+	Page       int               `json:"page" description:"当前页码"`
+	PageSize   int               `json:"page_size" description:"每页条数"`
+	Items      []*AssetOrderItem `json:"items" description:"订单列表"`
+}
+
+// PreviousGenerationOrders 前代订单块（最多20条，不分页）
+type PreviousGenerationOrders struct {
+	Generation  int               `json:"generation" description:"前代世代编号"`
+	Identifier  string            `json:"identifier" description:"前代资产标识符"`
+	AssetType   string            `json:"asset_type" description:"前代资产类型：card 或 device"`
+	ExchangeNo  string            `json:"exchange_no" description:"换货单号"`
+	ExchangedAt time.Time         `json:"exchanged_at" description:"换货完成时间"`
+	Total       int64             `json:"total" description:"前代总订单数"`
+	Items       []*AssetOrderItem `json:"items" description:"前代订单列表（最多20条）"`
+}
+
+// AssetOrdersResponse 资产历史订单完整响应
+type AssetOrdersResponse struct {
+	CurrentGeneration   *GenerationOrders           `json:"current_generation" description:"本代订单（含分页）"`
+	PreviousGenerations []*PreviousGenerationOrders `json:"previous_generations,omitempty" description:"前代订单列表（include_previous=true时返回）"`
+	Truncated           bool                        `json:"truncated" description:"是否已截断（换货链超过10代追溯上限时为true）"`
+}
+
 // UpdateAssetPollingStatusRequest 更新资产轮询状态请求
 type UpdateAssetPollingStatusRequest struct {
-	AssetType string `path:"asset_type" description:"资产类型 (iot_card:IoT卡, device:设备)" required:"true"`
-	ID        uint   `path:"id" description:"资产ID" required:"true"`
-	// EnablePolling 是否启用轮询
-	EnablePolling bool `json:"enable_polling" description:"是否启用轮询 (true:启用, false:禁用)"`
+	Identifier    string `path:"identifier" description:"资产标识符（ICCID 或 VirtualNo）" required:"true"`
+	EnablePolling bool   `json:"enable_polling" description:"是否启用轮询 (true:启用, false:禁用)"`
 }
 
 // UpdateAssetPollingStatusResponse 更新资产轮询状态响应

internal/model/dto/asset_wallet_dto.go

@@ -19,8 +19,7 @@ type AssetWalletResponse struct {
 
 // AssetWalletTransactionListRequest 资产钱包流水列表请求（路径参数 + 查询参数）
 type AssetWalletTransactionListRequest struct {
-	AssetType       string     `path:"asset_type" description:"资产类型：card 或 device" required:"true"`
-	ID              uint       `path:"id" description:"资产ID" required:"true"`
+	Identifier      string     `path:"identifier" description:"资产标识符（ICCID 或 VirtualNo）" required:"true"`
 	Page            int        `json:"page" query:"page" description:"页码，默认1"`
 	PageSize        int        `json:"page_size" query:"page_size" validate:"omitempty,min=1,max=100" description:"每页数量，默认20，最大100"`
 	TransactionType *string    `json:"transaction_type" query:"transaction_type" validate:"omitempty,oneof=recharge deduct refund" description:"交易类型过滤：recharge/deduct/refund"`

internal/model/dto/device_dto.go

@@ -65,11 +65,11 @@ type GetDeviceByIdentifierRequest struct {
 }
 
 type DeleteDeviceRequest struct {
-	ID uint `path:"id" description:"设备ID" required:"true"`
+	VirtualNo string `path:"virtual_no" description:"设备虚拟号" required:"true"`
 }
 
 type ListDeviceCardsRequest struct {
-	ID uint `path:"id" description:"设备ID" required:"true"`
+	VirtualNo string `path:"virtual_no" description:"设备虚拟号" required:"true"`
 }
 
 type DeviceCardBindingResponse struct {
@@ -89,9 +89,10 @@ type ListDeviceCardsResponse struct {
 }
 
 type BindCardToDeviceRequest struct {
-	ID           uint `path:"id" description:"设备ID" required:"true"`
-	IotCardID    uint `json:"iot_card_id" validate:"required,min=1" required:"true" minimum:"1" description:"IoT卡ID"`
-	SlotPosition int  `json:"slot_position" validate:"required,min=1,max=4" required:"true" minimum:"1" maximum:"4" description:"插槽位置 (1-4)"`
+	VirtualNo    string `path:"virtual_no" description:"设备虚拟号" required:"true"`
+	ID           uint   `json:"-"`
+	IotCardID    uint   `json:"iot_card_id" validate:"required,min=1" required:"true" minimum:"1" description:"IoT卡ID"`
+	SlotPosition int    `json:"slot_position" validate:"required,min=1,max=4" required:"true" minimum:"1" maximum:"4" description:"插槽位置 (1-4)"`
 }
 
 type BindCardToDeviceResponse struct {
@@ -100,8 +101,8 @@ type BindCardToDeviceResponse struct {
 }
 
 type UnbindCardFromDeviceRequest struct {
-	ID     uint `path:"id" description:"设备ID" required:"true"`
-	CardID uint `path:"cardId" description:"IoT卡ID" required:"true"`
+	VirtualNo string `path:"virtual_no" description:"设备虚拟号" required:"true"`
+	ICCID     string `path:"iccid" description:"IoT卡ICCID" required:"true"`
 }
 
 type UnbindCardFromDeviceResponse struct {

internal/model/dto/order_dto.go

@@ -12,9 +12,7 @@ type CreateOrderRequest struct {
 
 // CreateAdminOrderRequest 后台订单创建请求（仅允许 wallet/offline）
 type CreateAdminOrderRequest struct {
-	OrderType     string `json:"order_type" validate:"required,oneof=single_card device" required:"true" description:"订单类型 (single_card:单卡购买, device:设备购买)"`
-	IotCardID     *uint  `json:"iot_card_id" validate:"required_if=OrderType single_card" description:"IoT卡ID(单卡购买时必填)"`
-	DeviceID      *uint  `json:"device_id" validate:"required_if=OrderType device" description:"设备ID(设备购买时必填)"`
+	Identifier    string `json:"identifier" validate:"required,min=1,max=100" required:"true" minLength:"1" maxLength:"100" description:"资产标识符（ICCID 或 VirtualNo）"`
 	PackageIDs    []uint `json:"package_ids" validate:"required,min=1,max=10,dive,min=1" required:"true" minItems:"1" maxItems:"10" description:"套餐ID列表"`
 	PaymentMethod string `json:"payment_method" validate:"required,oneof=wallet offline" required:"true" description:"支付方式 (wallet:钱包支付, offline:线下支付)"`
 }
@@ -29,6 +27,7 @@ type OrderListRequest struct {
 	StartTime     *time.Time `json:"start_time" query:"start_time" description:"创建时间起始"`
 	EndTime       *time.Time `json:"end_time" query:"end_time" description:"创建时间结束"`
 	IsExpired     *bool      `json:"is_expired" query:"is_expired" description:"是否已过期 (true:已过期, false:未过期)"`
+	Identifier    string     `json:"identifier" query:"identifier" validate:"omitempty,max=100" maxLength:"100" description:"资产标识符（ICCID 或 VirtualNo）精确查询"`
 }
 
 type PayOrderRequest struct {
@@ -79,6 +78,10 @@ type OrderResponse struct {
 	// 订单超时信息
 	ExpiresAt *time.Time `json:"expires_at,omitempty" description:"订单过期时间"`
 	IsExpired bool       `json:"is_expired" description:"是否已过期"`
+
+	// 资产标识符快照
+	AssetIdentifier string `json:"asset_identifier,omitempty" description:"下单时资产的标识符快照（ICCID 或 VirtualNo）"`
+	AssetType       string `json:"asset_type,omitempty" description:"资产类型 (card:单卡, device:设备)"`
 }
 
 type OrderListResponse struct {