feat: multi-feature update

model/custom_oauth_provider.go

@@ -59,6 +59,7 @@ type CustomOAuthProvider struct {
 	// Advanced options
 	WellKnown           string `json:"well_known" gorm:"type:varchar(512)"`            // OIDC discovery endpoint (optional)
 	AuthStyle           int    `json:"auth_style" gorm:"default:0"`                    // 0=auto, 1=params, 2=header (Basic Auth)
+	PKCEEnabled         bool   `json:"pkce_enabled" gorm:"default:false"`              // Enable PKCE (Proof Key for Code Exchange)
 	AccessPolicy        string `json:"access_policy" gorm:"type:text"`                 // JSON policy for access control based on user info
 	AccessDeniedMessage string `json:"access_denied_message" gorm:"type:varchar(512)"` // Custom error message template when access is denied
 

model/log.go

@@ -531,6 +531,24 @@ func SumUsedToken(logType int, startTimestamp int64, endTimestamp int64, modelNa
 	return token
 }
 
+func SumTotalConsumeTokens() (int64, error) {
+	type tokenStat struct {
+		PromptTokens     int64
+		CompletionTokens int64
+	}
+
+	var stat tokenStat
+	err := LOG_DB.Model(&Log{}).
+		Select("sum(prompt_tokens) as prompt_tokens, sum(completion_tokens) as completion_tokens").
+		Where("type = ?", LogTypeConsume).
+		Scan(&stat).Error
+	if err != nil {
+		return 0, err
+	}
+
+	return stat.PromptTokens + stat.CompletionTokens, nil
+}
+
 func DeleteOldLog(ctx context.Context, targetTimestamp int64, limit int) (int64, error) {
 	var total int64 = 0