fitness/
│
├── core/ # Main source code (existing)
│ ├── __init__.py
│ └── tools/
│ ├── __init__.py
│ ├── content_extractor.py
│ └── search.py
│
├── app/ # Flask app source code (to be created)
│ ├── __init__.py
│ └── routes.py
│
├── tests/ # Test suite (to be created)
│ ├── __init__.py
│ └── test_app.py
│
├── pyproject.toml
├── run.py
└── ...
app/will contain the Flask application code.tests/will contain test code for the app and other modules.