feat: openai response /v1/response/compact (#2644)

* feat: openai response /v1/response/compact

* feat: /v1/response/compact bill

* feat: /v1/response/compact

* feat: /v1/responses/compact -> codex channel

* feat: /v1/responses/compact -> codex channel

* feat: /v1/responses/compact -> codex channel

* feat: codex channel default models

* feat: compact model price

* feat: /v1/responses/comapct test

relay/helper/model_mapped.go

@@ -4,13 +4,27 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"strings"
 
 	"github.com/QuantumNous/new-api/dto"
 	"github.com/QuantumNous/new-api/relay/common"
+	relayconstant "github.com/QuantumNous/new-api/relay/constant"
+	"github.com/QuantumNous/new-api/setting/ratio_setting"
 	"github.com/gin-gonic/gin"
 )
 
 func ModelMappedHelper(c *gin.Context, info *common.RelayInfo, request dto.Request) error {
+	if info.ChannelMeta == nil {
+		info.ChannelMeta = &common.ChannelMeta{}
+	}
+
+	isResponsesCompact := info.RelayMode == relayconstant.RelayModeResponsesCompact
+	originModelName := info.OriginModelName
+	mappingModelName := originModelName
+	if isResponsesCompact && strings.HasSuffix(originModelName, ratio_setting.CompactModelSuffix) {
+		mappingModelName = strings.TrimSuffix(originModelName, ratio_setting.CompactModelSuffix)
+	}
+
 	// map model name
 	modelMapping := c.GetString("model_mapping")
 	if modelMapping != "" && modelMapping != "{}" {
@@ -21,7 +35,7 @@ func ModelMappedHelper(c *gin.Context, info *common.RelayInfo, request dto.Reque
 		}
 
 		// 支持链式模型重定向，最终使用链尾的模型
-		currentModel := info.OriginModelName
+		currentModel := mappingModelName
 		visitedModels := map[string]bool{
 			currentModel: true,
 		}
@@ -51,6 +65,15 @@ func ModelMappedHelper(c *gin.Context, info *common.RelayInfo, request dto.Reque
 			info.UpstreamModelName = currentModel
 		}
 	}
+
+	if isResponsesCompact {
+		finalUpstreamModelName := mappingModelName
+		if info.IsModelMapped && info.UpstreamModelName != "" {
+			finalUpstreamModelName = info.UpstreamModelName
+		}
+		info.UpstreamModelName = finalUpstreamModelName
+		info.OriginModelName = ratio_setting.WithCompactModelSuffix(finalUpstreamModelName)
+	}
 	if request != nil {
 		request.SetModelName(info.UpstreamModelName)
 	}

relay/helper/valid_request.go

@@ -34,6 +34,8 @@ func GetAndValidateRequest(c *gin.Context, format types.RelayFormat) (request dt
 		request, err = GetAndValidateClaudeRequest(c)
 	case types.RelayFormatOpenAIResponses:
 		request, err = GetAndValidateResponsesRequest(c)
+	case types.RelayFormatOpenAIResponsesCompaction:
+		request, err = GetAndValidateResponsesCompactionRequest(c)
 
 	case types.RelayFormatOpenAIImage:
 		request, err = GetAndValidOpenAIImageRequest(c, relayMode)
@@ -125,6 +127,17 @@ func GetAndValidateResponsesRequest(c *gin.Context) (*dto.OpenAIResponsesRequest
 	return request, nil
 }
 
+func GetAndValidateResponsesCompactionRequest(c *gin.Context) (*dto.OpenAIResponsesCompactionRequest, error) {
+	request := &dto.OpenAIResponsesCompactionRequest{}
+	if err := common.UnmarshalBodyReusable(c, request); err != nil {
+		return nil, err
+	}
+	if request.Model == "" {
+		return nil, errors.New("model is required")
+	}
+	return request, nil
+}
+
 func GetAndValidOpenAIImageRequest(c *gin.Context, relayMode int) (*dto.ImageRequest, error) {
 	imageRequest := &dto.ImageRequest{}