feat: publish sanitized custom.97 source

relay/channel/xai/adaptor.go

@@ -49,6 +49,9 @@ func (a *Adaptor) ConvertImageRequest(c *gin.Context, info *relaycommon.RelayInf
 }
 
 func (a *Adaptor) Init(info *relaycommon.RelayInfo) {
+	if info.RelayMode == constant.RelayModeResponses {
+		info.VendorToolUsage = xaiResponsesToolUsage
+	}
 }
 
 func (a *Adaptor) GetRequestURL(info *relaycommon.RelayInfo) (string, error) {