feat(api): .NET 10 multi-tenant REST API

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>

src/Meezi.API/Models/Consumer/ConsumerDtos.cs

@@ -0,0 +1,23 @@
+using Meezi.Core.Enums;
+
+namespace Meezi.API.Models.Consumer;
+
+public record ConsumerAuthTokenResponse(
+    string AccessToken,
+    string RefreshToken,
+    DateTime ExpiresAt,
+    string UserId,
+    string Phone,
+    string Language);
+
+public record ConsumerOrderHistoryDto(
+    string Id,
+    string CafeId,
+    string CafeName,
+    string CafeSlug,
+    OrderStatus Status,
+    decimal Total,
+    int DisplayNumber,
+    DateTime CreatedAt,
+    string? TableNumber,
+    int ItemCount);