Multi-tenant POS system for Mexican auto parts stores (refaccionarias):
- DB-per-tenant isolation with template versioning
- PWA with offline-first via IndexedDB + Service Worker
- Inventory by operations (append-only, no conflicts)
- CFDI 4.0 via Horux360 API with offline queue
- Accounting with auto journal entries
- Role-based permissions (owner/admin/cashier/warehouse/accountant)
- Themeable frontend via CSS custom properties
- 22 table schemas defined, offline edge cases addressed
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Console README with usage instructions, keybindings reference, architecture
overview, and test commands. Updated root README with console section, updated
architecture diagram, and installation instructions. Includes approved design
doc and implementation plan.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>