GPT 6 cant manage API Keys, yesterday could

Yesterday with 5.6 Luna he built me an APP with a API key from openrouter, since it is localhost only for now, I asked him to hardcode the key, no issues, today with 6 Luna he simply cannot copy the key to anyplace, it automaticaly removed the key hardcoded, and when I send the key again it just tells me that he cant , in any way, tried asking him to hardcode it again, run a powershell comand to engrave it , nothing works. he refuses