1. Restore OPENAI_API_KEY/OPENAI_BASE_URL env vars for camel-ai factory check
(keep api_key/base_url in model_config_dict for client constructor)
2. Add Thai-supporting font-family to .profile-realname
(JetBrains Mono doesn't render Thai diacritics)
3. Keep model_config_dict with api_key and base_url for camel-ai client