/backend │── app.py # Main entry point │── config.py # Configuration settings (API keys, DB settings) │── routes/ │ ├── text_gen.py # Routes for meditation text generation │ ├── tts.py # Routes for TTS processing │ ├── audio_gen.py # Routes for background noise generation │ ├── user.py # Routes for user preferences & authentication │── services/ │ ├── deepseek_service.py # Handles API calls to DeepSeek (text + TTS) │ ├── audio_service.py # AI-generated background noise (GAN/RNN) │ ├── user_service.py # User preferences storage │── models.py # Database models (SQLAlchemy) │── requirements.txt # Dependencies │── run.sh # Shell script for deployment │── .env # Environment variables (API keys, DB URI)