fix: skip field filtering when request passthrough is enabled

relay/chat_completions_via_responses.go

@@ -76,7 +76,7 @@ func chatCompletionsViaResponses(c *gin.Context, info *relaycommon.RelayInfo, ad
 		return nil, types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
 	}
 
-	chatJSON, err = relaycommon.RemoveDisabledFields(chatJSON, info.ChannelOtherSettings)
+	chatJSON, err = relaycommon.RemoveDisabledFields(chatJSON, info.ChannelOtherSettings, info.ChannelSetting.PassThroughBodyEnabled)
 	if err != nil {
 		return nil, types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
 	}
@@ -120,7 +120,7 @@ func chatCompletionsViaResponses(c *gin.Context, info *relaycommon.RelayInfo, ad
 		return nil, types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
 	}
 
-	jsonData, err = relaycommon.RemoveDisabledFields(jsonData, info.ChannelOtherSettings)
+	jsonData, err = relaycommon.RemoveDisabledFields(jsonData, info.ChannelOtherSettings, info.ChannelSetting.PassThroughBodyEnabled)
 	if err != nil {
 		return nil, types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
 	}

relay/claude_handler.go

@@ -146,7 +146,7 @@ func ClaudeHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *typ
 		}
 
 		// remove disabled fields for Claude API
-		jsonData, err = relaycommon.RemoveDisabledFields(jsonData, info.ChannelOtherSettings)
+		jsonData, err = relaycommon.RemoveDisabledFields(jsonData, info.ChannelOtherSettings, info.ChannelSetting.PassThroughBodyEnabled)
 		if err != nil {
 			return types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
 		}

relay/common/override_test.go

@@ -4,6 +4,9 @@ import (
 	"encoding/json"
 	"reflect"
 	"testing"
+
+	"github.com/QuantumNous/new-api/dto"
+	"github.com/QuantumNous/new-api/setting/model_setting"
 )
 
 func TestApplyParamOverrideTrimPrefix(t *testing.T) {
@@ -772,6 +775,43 @@ func TestApplyParamOverrideToUpper(t *testing.T) {
 	assertJSONEqual(t, `{"model":"GPT-4"}`, string(out))
 }
 
+func TestRemoveDisabledFieldsSkipWhenChannelPassThroughEnabled(t *testing.T) {
+	input := `{
+		"service_tier":"flex",
+		"safety_identifier":"user-123",
+		"store":true,
+		"stream_options":{"include_obfuscation":false}
+	}`
+	settings := dto.ChannelOtherSettings{}
+
+	out, err := RemoveDisabledFields([]byte(input), settings, true)
+	if err != nil {
+		t.Fatalf("RemoveDisabledFields returned error: %v", err)
+	}
+	assertJSONEqual(t, input, string(out))
+}
+
+func TestRemoveDisabledFieldsSkipWhenGlobalPassThroughEnabled(t *testing.T) {
+	original := model_setting.GetGlobalSettings().PassThroughRequestEnabled
+	model_setting.GetGlobalSettings().PassThroughRequestEnabled = true
+	t.Cleanup(func() {
+		model_setting.GetGlobalSettings().PassThroughRequestEnabled = original
+	})
+
+	input := `{
+		"service_tier":"flex",
+		"safety_identifier":"user-123",
+		"stream_options":{"include_obfuscation":false}
+	}`
+	settings := dto.ChannelOtherSettings{}
+
+	out, err := RemoveDisabledFields([]byte(input), settings, false)
+	if err != nil {
+		t.Fatalf("RemoveDisabledFields returned error: %v", err)
+	}
+	assertJSONEqual(t, input, string(out))
+}
+
 func assertJSONEqual(t *testing.T, want, got string) {
 	t.Helper()
 

relay/common/relay_info.go

@@ -703,7 +703,11 @@ func FailTaskInfo(reason string) *TaskInfo {
 // store: 数据存储授权字段，涉及用户隐私（仅 OpenAI、Responses API 支持，默认允许透传，禁用后可能导致 Codex 无法使用）
 // safety_identifier: 安全标识符，用于向 OpenAI 报告违规用户（仅 OpenAI 支持，涉及用户隐私）
 // stream_options.include_obfuscation: 响应流混淆控制字段（仅 OpenAI Responses API 支持）
-func RemoveDisabledFields(jsonData []byte, channelOtherSettings dto.ChannelOtherSettings) ([]byte, error) {
+func RemoveDisabledFields(jsonData []byte, channelOtherSettings dto.ChannelOtherSettings, channelPassThroughEnabled bool) ([]byte, error) {
+	if model_setting.GetGlobalSettings().PassThroughRequestEnabled || channelPassThroughEnabled {
+		return jsonData, nil
+	}
+
 	var data map[string]interface{}
 	if err := common.Unmarshal(jsonData, &data); err != nil {
 		common.SysError("RemoveDisabledFields Unmarshal error :" + err.Error())

relay/compatible_handler.go

@@ -165,7 +165,7 @@ func TextHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *types
 		}
 
 		// remove disabled fields for OpenAI API
-		jsonData, err = relaycommon.RemoveDisabledFields(jsonData, info.ChannelOtherSettings)
+		jsonData, err = relaycommon.RemoveDisabledFields(jsonData, info.ChannelOtherSettings, info.ChannelSetting.PassThroughBodyEnabled)
 		if err != nil {
 			return types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
 		}

relay/responses_handler.go

@@ -89,7 +89,7 @@ func ResponsesHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *
 		}
 
 		// remove disabled fields for OpenAI Responses API
-		jsonData, err = relaycommon.RemoveDisabledFields(jsonData, info.ChannelOtherSettings)
+		jsonData, err = relaycommon.RemoveDisabledFields(jsonData, info.ChannelOtherSettings, info.ChannelSetting.PassThroughBodyEnabled)
 		if err != nil {
 			return types.NewError(err, types.ErrorCodeConvertRequestFailed, types.ErrOptionWithSkipRetry())
 		}