refactor(relay): update channel retrieval to use RelayInfo structure

relay/common/relay_info.go

@@ -81,6 +81,7 @@ type TokenCountMeta struct {
 type RelayInfo struct {
 	TokenId           int
 	TokenKey          string
+	TokenGroup        string
 	UserId            int
 	UsingGroup        string // 使用的分组
 	UserGroup         string // 用户所在分组
@@ -400,6 +401,7 @@ func genBaseRelayInfo(c *gin.Context, request dto.Request) *RelayInfo {
 		TokenId:        common.GetContextKeyInt(c, constant.ContextKeyTokenId),
 		TokenKey:       common.GetContextKeyString(c, constant.ContextKeyTokenKey),
 		TokenUnlimited: common.GetContextKeyBool(c, constant.ContextKeyTokenUnlimited),
+		TokenGroup:     common.GetContextKeyString(c, constant.ContextKeyTokenGroup),
 
 		isFirstResponse: true,
 		RelayMode:       relayconstant.Path2RelayMode(c.Request.URL.Path),