OPENROUTER_API_KEY=your_openrouter_api_key_here OPENROUTER_MODEL=meta-llama/llama-3-8b-instruct DATABASE_URL=sqlite:///./innervoice.db SECRET_KEY=change_me_to_a_random_secret_key_32chars CORS_ORIGINS=http://localhost:3000 BREVO_API_KEY=your-actual-api-key-here BREVO_SENDER_EMAIL=your_brevo_account_email@gmail.com