ai-engineering-from-scratch/ ├── phases/ │ ├── 00-setup-and-tooling/ │ │ ├── 01-dev-environment/ │ │ ├── 02-git-and-collaboration/ │ │ └── ... │ ├── 01-math-foundations/ │ ├── 02-ml-fundamentals/ │ ├── 03-deep-learning-core/ │ ├── 04-computer-vision/ │ ├── 05-nlp-foundations-to-advanced/ │ ├── 06-speech-and-audio/ │ └── ... (phases 07–19) ├── assets/ ├── glossary/ │ └── terms.md ├── ROADMAP.md ├── CONTRIBUTING.md └── README.md phases/NN-phase-name/NN-lesson-name/ ├── README.md # lesson explanation and goals ├── solution.py # reference implementation ├── notebook.ipynb # interactive walkthroug…