feat: cache token stat.

models/analyze.go

@@ -16,6 +16,8 @@ type AIAnalysisRecord struct {
 	OutputTokens          int     `json:"outputTokens"`
 	InputSizeBytes        int     `json:"inputSizeBytes"`
 	OutputSizeBytes       int     `json:"outputSizeBytes"`
+	CacheHitTokens        int     `json:"cacheHitTokens"`
+	CacheMissTokens       int     `json:"cacheMissTokens"`
 	DurationMs            int64   `json:"durationMs"`
 	OriginalFileSize      int64   `json:"originalFileSize"`
 	CompressedContentSize int64   `json:"compressedContentSize"`

models/pricing.go

@@ -6,10 +6,12 @@ import (
 
 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"`
+	Name                     string  `gorm:"size:64;uniqueIndex" json:"name"`
+	Provider                 string  `gorm:"size:64" json:"provider"`
+	InputPricePerMillion     float64 `json:"inputPricePerMillion"`
+	OutputPricePerMillion    float64 `json:"outputPricePerMillion"`
+	CacheHitPricePerMillion  float64 `json:"cacheHitPricePerMillion"`
+	CacheMissPricePerMillion float64 `json:"cacheMissPricePerMillion"`
 }
 
 func EnsureDefaultAIPricing(db *gorm.DB) error {
@@ -21,9 +23,11 @@ func EnsureDefaultAIPricing(db *gorm.DB) error {
 		return nil
 	}
 	return db.Create(&AIPricingConfig{
-		Name:                  "deepseek-v4-flash",
-		Provider:              "tencentmaas",
-		InputPricePerMillion:  1,
-		OutputPricePerMillion: 2,
+		Name:                     "deepseek-v4-flash",
+		Provider:                 "tencentmaas",
+		InputPricePerMillion:     1,
+		CacheHitPricePerMillion:  1,
+		CacheMissPricePerMillion: 0.02,
+		OutputPricePerMillion:    2,
 	}).Error
 }