Replace the raw HttpClient implementation with the Kavenegar NuGet SDK
(v1.2.4) for OTP, single, and bulk sends plus account info, wrapping the
synchronous SDK calls and translating its exceptions. Register the
service as scoped instead of via AddHttpClient.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Introduce an OTP input box on login/register, surface user roles and a
cafe chooser, add a dashboard switch button in the POS screen, and
register OTP validators explicitly to survive Docker layer caching.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Full backend implementation:
- Multi-tenant cafe/restaurant management (menus, orders, tables, staff)
- POS order flow with ZarinPal and Snappfood payment integration
- OTP authentication via Kavenegar SMS
- QR digital menu with public discover/finder endpoints
- Customer loyalty, coupons, CRM
- PostgreSQL via EF Core, Redis for caching/sessions
- Background jobs, webhook handlers
- Full migration history
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
soroush.asadi