feat(server-go): 分子检测扩展（qPCR Ct 判读/SERS 光谱上传/光谱库，#19）

server-go/internal/model/lamp.go

@@ -8,6 +8,7 @@ import (
 // LampTest LAMP 检测任务单
 type LampTest struct {
 	ID             string          `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
+	Method         string          `gorm:"size:32;default:lamp" json:"method"` // lamp/qpcr/sers/hyperspectral
 	RoomID         *string         `gorm:"column:room_id;type:uuid;index" json:"roomId,omitempty"`
 	BatchID        *string         `gorm:"column:batch_id;type:uuid;index" json:"batchId,omitempty"`
 	Diseases       json.RawMessage `gorm:"type:jsonb" json:"diseases,omitempty"`
@@ -19,6 +20,7 @@ type LampTest struct {
 	ResultedAt     *time.Time      `gorm:"column:resulted_at;type:timestamptz" json:"resultedAt,omitempty"`
 	CrossStatus    string          `gorm:"column:cross_status;size:16;default:pending" json:"crossStatus"` // pending/consistent/inconsistent
 	CrossReason    *string         `gorm:"column:cross_reason;type:text" json:"crossReason,omitempty"`
+	ExtraData      json.RawMessage `gorm:"column:extra_data;type:jsonb" json:"extraData,omitempty"`
 	Note           *string         `gorm:"type:text" json:"note,omitempty"`
 	CreatedAt      time.Time       `gorm:"type:timestamptz" json:"createdAt"`
 	UpdatedAt      time.Time       `gorm:"type:timestamptz" json:"updatedAt"`
@@ -41,6 +43,18 @@ type LampTestStep struct {
 
 func (LampTestStep) TableName() string { return "lamp_test_steps" }
 
+// SpectrumEntry 光谱库条目
+type SpectrumEntry struct {
+	ID        string    `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
+	Disease   string    `gorm:"size:64" json:"disease"`
+	Source    *string   `gorm:"size:128" json:"source,omitempty"`
+	DataURL   *string   `gorm:"column:data_url;size:512" json:"dataUrl,omitempty"`
+	Note      *string   `gorm:"type:text" json:"note,omitempty"`
+	CreatedAt time.Time `gorm:"type:timestamptz" json:"createdAt"`
+}
+
+func (SpectrumEntry) TableName() string { return "spectrum_entries" }
+
 // DefaultLampSteps LAMP 标准 5 步流程（规格书 3.3.2.1）
 func DefaultLampSteps() []string {
 	return []string{"采样", "DNA提取", "反应体系配制", "恒温反应", "结果判读"}