| # Core optimization and data processing | |
| ortools>=9.0.0 | |
| pandas>=1.5.0 | |
| numpy>=1.21.0 | |
| # Web interface | |
| streamlit>=1.28.0 | |
| plotly>=5.0.0 | |
| # Data processing | |
| openpyxl>=3.0.0 | |
| xlrd>=2.0.0 | |
| python-dateutil>=2.9.0 | |
| PyYAML>=6.0.0 | |
| # Optional: Enhanced visualization (install with: pip install -e .[viz]) | |
| # networkx>=2.8.0 |