streamlit>=1.38.0 pandas>=2.0.0 numpy>=1.24.0 scipy>=1.10.0 scikit-learn>=1.3.0 openpyxl>=3.1.0 statsforecast>=2.0.0 plotly>=6.7.0 # PostgreSQL (Layer 1 migration) psycopg2-binary sqlalchemy>=2.0 # FastAPI backend (Layer 2 — backend/) fastapi>=0.110 uvicorn[standard]>=0.29 pydantic-settings>=2.2 # Auth (JWT + password hashing) python-jose[cryptography]>=3.3 bcrypt>=4.0 # Role permission matrix (loaded by backend/services/permissions.py) pyyaml>=6.0 # Polleo AI — server-side calls to the Anthropic API (backend/services/polleo_ai_service.py) httpx>=0.27