feat: 新增模型扩展映射与查询配置字段

service/worker.go

@@ -262,8 +262,8 @@ func (w *asyncWorker) rollbackToPending(ctx context.Context, id int64) error {
 }
 
 // GetExpendTokens 根据映射路径从 textResult 中提取消耗 token 值
-func GetExpendTokens(tokenMapping string, textResult string) int {
-	value := gjson.Get(textResult, tokenMapping)
+func GetExpendTokens(responseTokenField string, textResult string) int {
+	value := gjson.Get(textResult, responseTokenField)
 	if value.Exists() {
 		return int(value.Int())
 	}