feat: Complete Phase 0-1 of SIMCO-REUSE development plan
- Update PROJECT-STATUS.md with backend progress (25% overall)
- Add PLAN-DESARROLLO-REUTILIZACION.md with code reuse strategy
- Update backend submodule reference (419 files, ~69k lines copied)
Phases completed:
- Phase 0: Base modules (100% copy) - auth, users, tenants, ai, etc.
- Phase 1: Modules for adaptation - partners, inventory, financial
- Phase 2: Pattern modules created - ordenes-transporte, gestion-flota, viajes
- Phase 3: Transport-specific structure - tracking, tarifas, combustible, carta-porte
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>