feat(model): 添加流式配置支持并优化响应处理

common/util/mapping.go

@@ -1,6 +1,7 @@
 package util
 
 import (
+	"encoding/json"
 	"fmt"
 	"model-gateway/model/entity"
 	"net/url"
@@ -9,6 +10,7 @@ import (
 	"github.com/gogf/gf/v2/encoding/gjson"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/util/gconv"
+	tgjson "github.com/tidwall/gjson"
 )
 
 // ValidatePromptResult 校验模型返回结果的 JSON 结构完整性
@@ -67,27 +69,40 @@ func ReverseMap(mapping map[string]any, payload map[string]any) map[string]any {
 }
 
 // MapResponsePayload 映射模型响应为标准格式
-func MapResponsePayload(mapping map[string]any, responseBytes []byte) ([]byte, error) {
+func MapResponsePayload(mapping map[string]any, result map[string]any) (map[string]any, error) {
 	if len(mapping) == 0 {
-		return responseBytes, nil
+		return result, nil
 	}
 
-	responseJson := gjson.New(responseBytes)
-	resultJson := gjson.New("{}")
+	// 把 result 转成 JSON 字符串，tidwall/gjson 需要字符串输入
+	resultBytes, _ := json.Marshal(result)
+	resultStr := string(resultBytes)
+
+	mapped := make(map[string]any)
 
 	for standardField, modelPath := range mapping {
 		path := gconv.String(modelPath)
 		if path == "" {
 			continue
 		}
-		val := responseJson.Get(path)
-		if val.IsNil() {
+
+		value := tgjson.Get(resultStr, path)
+		if !value.Exists() {
 			continue
 		}
-		resultJson.Set(standardField, val.Val())
+		// 如果是数组路径（含 #），取 Array；否则取单值
+		if strings.Contains(path, "#") {
+			var arr []any
+			for _, v := range value.Array() {
+				arr = append(arr, v.Value())
+			}
+			mapped[standardField] = arr
+		} else {
+			mapped[standardField] = value.Value()
+		}
 	}
 
-	return []byte(resultJson.String()), nil
+	return mapped, nil
 }
 
 // ParseHeadMsgHeaders 支持多个 header 绑定，逗号分隔：