init: project scaffold and gitignore

.gitignore

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+# Python
+__pycache__/
+*.py[cod]
+*.egg-info/
+.venv/
+venv/
+.env
+
+# Data & artifacts (kept out of git)
+data/raw/
+data/interim/
+data/processed/
+models/*.pt
+models/*.bin
+models/*.safetensors
+models/*.pkl
+*.faiss
+
+# Notebooks
+.ipynb_checkpoints/
+
+# IDE
+.vscode/
+.idea/
+.DS_Store
+
+# Logs / experiment trackers
+runs/
+mlruns/
+wandb/
+*.log

README.md

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+# ForkCast
+
+AI nutrition coach that turns a meal photo into a personalized obesity-risk prediction and a plain-language explanation grounded in dietary guidelines.
+
+## Status
+
+Project scaffold. CV, numeric, and NLP blocks land in subsequent commits.
+
+## Project info
+
+- Course: AI Applications
+- Submission deadline: 07 June 2026, 18:00
+- Instructors: Jasmin Heierli (@jasminh), Benjamin Kühnis (@bkuehnis)

requirements.txt

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+# Core
+python-dotenv>=1.0.0
+numpy>=1.26
+pandas>=2.2
+scikit-learn>=1.4
+
+# Deep learning (CV block)
+torch>=2.2
+torchvision>=0.17
+transformers>=4.40
+datasets>=2.18
+accelerate>=0.29
+
+# Tabular
+xgboost>=2.0
+lightgbm>=4.3
+shap>=0.45
+joblib>=1.3
+
+# NLP / RAG
+sentence-transformers>=2.7
+faiss-cpu>=1.8
+pypdf>=4.0
+openai>=1.30
+
+# Vision utils
+pillow>=10.0
+opencv-python-headless>=4.9
+
+# UI / deployment
+gradio>=4.25
+
+# Notebooks / EDA
+jupyter>=1.0
+jupytext>=1.16
+nbconvert>=7.0
+ipykernel>=6.0
+matplotlib>=3.8
+seaborn>=0.13
+
+# Testing
+pytest>=8.0