blitzship/
├── app/ # Flask package
│ ├── auth/ # Signup/login/logout
│ ├── ai/ # AI tool routes
│ ├── payments/ # Stripe checkout routes
│ ├── main/ # Homepage & demo pages
│ └── models.py # SQLAlchemy models
├── migrations/ # Alembic revision scripts
├── static/ # CSS & JS assets
├── templates/ # Jinja2 templates
├── instance/ # local SQLite DB file
├── config.py # Dev/Prod configs
├── wsgi.py # App factory & entrypoint
├── Procfile # Heroku process definitions
├── Dockerfile # Docker build instructions
├── requirements.txt
├── runtime.txt
└── README.md