feat: add Xunfei V2 channel support and update related configurations

relay/adaptor/openai/compatible.go

@@ -16,6 +16,7 @@ import (
 	"github.com/songquanpeng/one-api/relay/adaptor/stepfun"
 	"github.com/songquanpeng/one-api/relay/adaptor/togetherai"
 	"github.com/songquanpeng/one-api/relay/adaptor/xai"
+	"github.com/songquanpeng/one-api/relay/adaptor/xunfeiv2"
 	"github.com/songquanpeng/one-api/relay/channeltype"
 )
 
@@ -36,6 +37,7 @@ var CompatibleChannels = []int{
 	channeltype.SiliconFlow,
 	channeltype.XAI,
 	channeltype.BaiduV2,
+	channeltype.XunfeiV2,
 }
 
 func GetCompatibleChannelMeta(channelType int) (string, []string) {
@@ -72,6 +74,8 @@ func GetCompatibleChannelMeta(channelType int) (string, []string) {
 		return "xai", xai.ModelList
 	case channeltype.BaiduV2:
 		return "baiduv2", baiduv2.ModelList
+	case channeltype.XunfeiV2:
+		return "xunfeiv2", xunfeiv2.ModelList
 	default:
 		return "openai", ModelList
 	}

relay/adaptor/xunfeiv2/constants.go

@@ -0,0 +1,12 @@
+package xunfeiv2
+
+// https://www.xfyun.cn/doc/spark/HTTP%E8%B0%83%E7%94%A8%E6%96%87%E6%A1%A3.html#_3-%E8%AF%B7%E6%B1%82%E8%AF%B4%E6%98%8E
+
+var ModelList = []string{
+	"lite",
+	"generalv3",
+	"pro-128k",
+	"generalv3.5",
+	"max-32k",
+	"4.0Ultra",
+}