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/Services/CafeDiscoverProfileMapping.cs

@@ -0,0 +1,43 @@
+using Meezi.API.Models.Discover;
+using Meezi.Core.Discover;
+using Meezi.Infrastructure.Discover;
+
+namespace Meezi.API.Services;
+
+public static class CafeDiscoverProfileMapping
+{
+    public static CafeDiscoverProfileDto ToDto(CafeDiscoverProfile profile) =>
+        new(
+            profile.Themes,
+            profile.Size,
+            profile.Floors,
+            profile.Vibes,
+            profile.Occasions,
+            profile.SpaceFeatures,
+            profile.NoiseLevel,
+            profile.PriceTier);
+
+    public static CafeDiscoverProfile FromRequest(UpsertCafeDiscoverProfileRequest request) =>
+        CafeDiscoverProfileSerializer.Sanitize(new CafeDiscoverProfile
+        {
+            Themes = request.Themes?.ToList() ?? [],
+            Size = request.Size,
+            Floors = request.Floors,
+            Vibes = request.Vibes?.ToList() ?? [],
+            Occasions = request.Occasions?.ToList() ?? [],
+            SpaceFeatures = request.SpaceFeatures?.ToList() ?? [],
+            NoiseLevel = request.NoiseLevel,
+            PriceTier = request.PriceTier
+        });
+
+    public static DiscoverProfileTaxonomyDto Taxonomy() =>
+        new(
+            CafeDiscoverProfileKeys.Themes.OrderBy(x => x).ToList(),
+            CafeDiscoverProfileKeys.Sizes.OrderBy(x => x).ToList(),
+            CafeDiscoverProfileKeys.Floors.OrderBy(x => x).ToList(),
+            CafeDiscoverProfileKeys.Vibes.OrderBy(x => x).ToList(),
+            CafeDiscoverProfileKeys.Occasions.OrderBy(x => x).ToList(),
+            CafeDiscoverProfileKeys.SpaceFeatures.OrderBy(x => x).ToList(),
+            CafeDiscoverProfileKeys.NoiseLevels.OrderBy(x => x).ToList(),
+            CafeDiscoverProfileKeys.PriceTiers.OrderBy(x => x).ToList());
+}