import os class Config: SECRET_KEY = os.environ.get('SECRET_KEY', 'change_this_secret') HF_API_TOKEN = os.environ.get('HF_API_TOKEN') DB_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'chat_logs.db') HUGGINGFACE_API_URL = 'https://api-inference.huggingface.co/models/gpt2'