# Core dependencies (required)
pandas>=1.3.0
numpy>=1.21.0
scikit-learn>=1.0.0

# Optional ML dependencies
xgboost>=1.5.0
lightgbm>=3.3.0
optuna>=2.10.0

# Optional data dependencies
sqlalchemy>=1.4.0
requests>=2.26.0
pyarrow>=6.0.0
openpyxl>=3.0.0

# Optional explainability
shap>=0.40.0

# Development dependencies
pytest>=7.0.0
pytest-cov>=3.0.0
black>=22.0.0
flake8>=4.0.0
mypy>=0.950

# Build dependencies
build>=0.7.0
twine>=4.0.0
