package util import (	"net/http"	"strings" 	"github.com/tidwall/gjson") // IsCodexResponsesLiteRequest recognizes the native header and its websocket metadata mirror.func IsCodexResponsesLiteRequest(body []byte, headers http.Header) bool {	if strings.EqualFold(strings.TrimSpace(headers.Get("X-OpenAI-Internal-Codex-Responses-Lite")), "true") {		return true	}	value := gjson.GetBytes(body, "client_metadata.ws_request_header_x_openai_internal_codex_responses_lite")	return value.Type == gjson.True || value.Type == gjson.String && strings.EqualFold(strings.TrimSpace(value.String()), "true")}