feat: pricing stat.

models/analyze.go

@@ -1,6 +1,8 @@
 package models
 
-import "gorm.io/gorm"
+import (
+	"gorm.io/gorm"
+)
 
 type AIAnalysisRecord struct {
 	gorm.Model
@@ -8,6 +10,8 @@ type AIAnalysisRecord struct {
 	SourceType            string  `gorm:"size:32" json:"sourceType"`
 	AnalysisType          string  `gorm:"size:32" json:"analysisType"`
 	AnalysisResult        string  `gorm:"type:text" json:"analysisResult"`
+	CostJSON              string  `gorm:"type:jsonb" json:"costJson"`
+	TotalCost             float64 `json:"totalCost"`
 	InputTokens           int     `json:"inputTokens"`
 	OutputTokens          int     `json:"outputTokens"`
 	InputSizeBytes        int     `json:"inputSizeBytes"`

models/pricing.go

@@ -0,0 +1,29 @@
+package models
+
+import (
+	"gorm.io/gorm"
+)
+
+type AIPricingConfig struct {
+	gorm.Model
+	Name                  string  `gorm:"size:64;uniqueIndex" json:"name"`
+	Provider              string  `gorm:"size:64" json:"provider"`
+	InputPricePerMillion  float64 `json:"inputPricePerMillion"`
+	OutputPricePerMillion float64 `json:"outputPricePerMillion"`
+}
+
+func EnsureDefaultAIPricing(db *gorm.DB) error {
+	var count int64
+	if err := db.Model(&AIPricingConfig{}).Count(&count).Error; err != nil {
+		return err
+	}
+	if count > 0 {
+		return nil
+	}
+	return db.Create(&AIPricingConfig{
+		Name:                  "deepseek-v4-flash",
+		Provider:              "tencentmaas",
+		InputPricePerMillion:  1,
+		OutputPricePerMillion: 2,
+	}).Error
+}