- Add ENTITIES.md for MAI-012 (Combustible y Gastos) with 5 entities
- Add ENTITIES.md for MAI-009 (Facturacion Transporte) with 6 entities
- Update TASK-2026-01-25-DOCUMENTACION-MODULOS status to completed
- Document all fields, indices, ENUMs and helper methods
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>