feat: 实现设备管理和设备导入功能，修复测试问题

主要变更：
- 实现设备管理模块（创建、查询、列表、更新状态、删除）
- 实现设备批量导入功能（CSV 解析、ICCID 绑定、异步任务处理）
- 添加设备-SIM 卡绑定约束（部分唯一索引防止并发问题）
- 修复 fee_rate 数据库字段类型（numeric -> bigint）
- 修复测试数据隔离问题（基于增量断言）
- 修复集成测试中间件顺序问题
- 清理无用测试文件（PersonalCustomer、Email 相关）
- 归档 enterprise-card-authorization 变更

internal/model/dto/device_dto.go

@@ -0,0 +1,120 @@
+package dto
+
+import "time"
+
+type ListDeviceRequest struct {
+	Page           int        `json:"page" query:"page" validate:"omitempty,min=1" minimum:"1" description:"页码"`
+	PageSize       int        `json:"page_size" query:"page_size" validate:"omitempty,min=1,max=100" minimum:"1" maximum:"100" description:"每页数量"`
+	DeviceNo       string     `json:"device_no" query:"device_no" validate:"omitempty,max=100" maxLength:"100" description:"设备号(模糊查询)"`
+	DeviceName     string     `json:"device_name" query:"device_name" validate:"omitempty,max=255" maxLength:"255" description:"设备名称(模糊查询)"`
+	Status         *int       `json:"status" query:"status" validate:"omitempty,min=1,max=4" minimum:"1" maximum:"4" description:"状态 (1:在库, 2:已分销, 3:已激活, 4:已停用)"`
+	ShopID         *uint      `json:"shop_id" query:"shop_id" description:"店铺ID (NULL表示平台库存)"`
+	BatchNo        string     `json:"batch_no" query:"batch_no" validate:"omitempty,max=100" maxLength:"100" description:"批次号"`
+	DeviceType     string     `json:"device_type" query:"device_type" validate:"omitempty,max=50" maxLength:"50" description:"设备类型"`
+	Manufacturer   string     `json:"manufacturer" query:"manufacturer" validate:"omitempty,max=255" maxLength:"255" description:"制造商(模糊查询)"`
+	CreatedAtStart *time.Time `json:"created_at_start" query:"created_at_start" description:"创建时间起始"`
+	CreatedAtEnd   *time.Time `json:"created_at_end" query:"created_at_end" description:"创建时间结束"`
+}
+
+type DeviceResponse struct {
+	ID             uint       `json:"id" description:"设备ID"`
+	DeviceNo       string     `json:"device_no" description:"设备号"`
+	DeviceName     string     `json:"device_name" description:"设备名称"`
+	DeviceModel    string     `json:"device_model" description:"设备型号"`
+	DeviceType     string     `json:"device_type" description:"设备类型"`
+	MaxSimSlots    int        `json:"max_sim_slots" description:"最大插槽数"`
+	Manufacturer   string     `json:"manufacturer" description:"制造商"`
+	BatchNo        string     `json:"batch_no" description:"批次号"`
+	ShopID         *uint      `json:"shop_id,omitempty" description:"店铺ID"`
+	ShopName       string     `json:"shop_name,omitempty" description:"店铺名称"`
+	Status         int        `json:"status" description:"状态 (1:在库, 2:已分销, 3:已激活, 4:已停用)"`
+	StatusName     string     `json:"status_name" description:"状态名称"`
+	BoundCardCount int        `json:"bound_card_count" description:"已绑定卡数量"`
+	ActivatedAt    *time.Time `json:"activated_at,omitempty" description:"激活时间"`
+	CreatedAt      time.Time  `json:"created_at" description:"创建时间"`
+	UpdatedAt      time.Time  `json:"updated_at" description:"更新时间"`
+}
+
+type ListDeviceResponse struct {
+	List       []*DeviceResponse `json:"list" description:"设备列表"`
+	Total      int64             `json:"total" description:"总数"`
+	Page       int               `json:"page" description:"当前页码"`
+	PageSize   int               `json:"page_size" description:"每页数量"`
+	TotalPages int               `json:"total_pages" description:"总页数"`
+}
+
+type GetDeviceRequest struct {
+	ID uint `path:"id" description:"设备ID" required:"true"`
+}
+
+type DeleteDeviceRequest struct {
+	ID uint `path:"id" description:"设备ID" required:"true"`
+}
+
+type ListDeviceCardsRequest struct {
+	ID uint `path:"id" description:"设备ID" required:"true"`
+}
+
+type DeviceCardBindingResponse struct {
+	ID           uint       `json:"id" description:"绑定记录ID"`
+	SlotPosition int        `json:"slot_position" description:"插槽位置 (1-4)"`
+	IotCardID    uint       `json:"iot_card_id" description:"IoT卡ID"`
+	ICCID        string     `json:"iccid" description:"ICCID"`
+	MSISDN       string     `json:"msisdn,omitempty" description:"接入号"`
+	CarrierName  string     `json:"carrier_name,omitempty" description:"运营商名称"`
+	Status       int        `json:"status" description:"卡状态 (1:在库, 2:已分销, 3:已激活, 4:已停用)"`
+	BindTime     *time.Time `json:"bind_time,omitempty" description:"绑定时间"`
+}
+
+type ListDeviceCardsResponse struct {
+	Bindings []*DeviceCardBindingResponse `json:"bindings" description:"绑定列表"`
+}
+
+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)"`
+}
+
+type BindCardToDeviceResponse struct {
+	BindingID uint   `json:"binding_id" description:"绑定记录ID"`
+	Message   string `json:"message" description:"提示信息"`
+}
+
+type UnbindCardFromDeviceRequest struct {
+	ID     uint `path:"id" description:"设备ID" required:"true"`
+	CardID uint `path:"cardId" description:"IoT卡ID" required:"true"`
+}
+
+type UnbindCardFromDeviceResponse struct {
+	Message string `json:"message" description:"提示信息"`
+}
+
+type AllocateDevicesRequest struct {
+	TargetShopID uint   `json:"target_shop_id" validate:"required,min=1" required:"true" minimum:"1" description:"目标店铺ID"`
+	DeviceIDs    []uint `json:"device_ids" validate:"required,min=1,max=100" required:"true" minItems:"1" maxItems:"100" description:"设备ID列表"`
+	Remark       string `json:"remark" validate:"omitempty,max=500" maxLength:"500" description:"备注"`
+}
+
+type AllocationDeviceFailedItem struct {
+	DeviceID uint   `json:"device_id" description:"设备ID"`
+	DeviceNo string `json:"device_no" description:"设备号"`
+	Reason   string `json:"reason" description:"失败原因"`
+}
+
+type AllocateDevicesResponse struct {
+	SuccessCount int                          `json:"success_count" description:"成功数量"`
+	FailCount    int                          `json:"fail_count" description:"失败数量"`
+	FailedItems  []AllocationDeviceFailedItem `json:"failed_items" description:"失败详情列表"`
+}
+
+type RecallDevicesRequest struct {
+	DeviceIDs []uint `json:"device_ids" validate:"required,min=1,max=100" required:"true" minItems:"1" maxItems:"100" description:"设备ID列表"`
+	Remark    string `json:"remark" validate:"omitempty,max=500" maxLength:"500" description:"备注"`
+}
+
+type RecallDevicesResponse struct {
+	SuccessCount int                          `json:"success_count" description:"成功数量"`
+	FailCount    int                          `json:"fail_count" description:"失败数量"`
+	FailedItems  []AllocationDeviceFailedItem `json:"failed_items" description:"失败详情列表"`
+}