📄 Nightly docs drift

[github-actions]

Nightly documentation drift detected

Code changed in the last 24 hours without a matching update to living docs:

• core/services/__init__.py
• core/services/brrrr.py
• core/services/cma.py
• core/services/market_scoring.py
• core/services/portfolio.py
• core/services/projections.py
• core/services/property_service.py
• core/services/scoring.py
• investor_app/finance/mortgage.py
• investor_app/finance/scoring.py
• investor_app/finance/strategies.py
• investor_app/finance/taxes.py
• investor_app/finance/utils.py

Update docs/API_SURFACE.md and/or docs/CHANGE_IMPACT_MAP.md if the public API or documented impact changed.