feat(merchant-service): add Cafe/Restaurant/Karaoke/Spa business categories

Add vertical-specific BusinessCategory enum values:
- Cafe (11), Restaurant (12), Karaoke (13), Spa (14)
Update CreateShopCommandHandler to map vertical names to new categories
Update EF Core seed data with new categories

services/merchant-service-net/src/MerchantService.API/Application/Commands/Shops/CreateShopCommandHandler.cs

@@ -78,13 +78,19 @@ public class CreateShopCommandHandler : IRequestHandler<CreateShopCommand, Creat
 
         // EN: Parse business category
         // VI: Parse ngành nghề
+        // EN: Parse business category (includes vertical-specific aliases)
+        // VI: Parse ngành nghề (bao gồm alias theo ngành hàng)
         var category = request.Category.ToLowerInvariant() switch
         {
             "foodbeverage" => BusinessCategory.FoodBeverage,
+            "cafe" or "café" or "coffee" => BusinessCategory.Cafe,
+            "restaurant" or "nhà hàng" or "bar" => BusinessCategory.Restaurant,
+            "karaoke" => BusinessCategory.Karaoke,
+            "spa" or "massage" or "wellness" => BusinessCategory.Spa,
             "fashion" => BusinessCategory.Fashion,
             "electronics" => BusinessCategory.Electronics,
             "healthcare" => BusinessCategory.Healthcare,
-            "beauty" => BusinessCategory.Beauty,
+            "beauty" or "salon" or "thẩm mỹ" => BusinessCategory.Beauty,
             "education" => BusinessCategory.Education,
             "entertainment" => BusinessCategory.Entertainment,
             "services" => BusinessCategory.Services,

services/merchant-service-net/src/MerchantService.Domain/AggregatesModel/ShopAggregate/BusinessCategory.cs

@@ -77,6 +77,32 @@ public class BusinessCategory : Enumeration
     /// </summary>
     public static readonly BusinessCategory Other = new(99, nameof(Other));
 
+    // ─── Vertical-specific categories (for multi-vertical POS) ───
+    
+    /// <summary>
+    /// EN: Café — coffee shops, tea houses, bubble tea.
+    /// VI: Quán cà phê, trà sữa.
+    /// </summary>
+    public static readonly BusinessCategory Cafe = new(11, nameof(Cafe));
+    
+    /// <summary>
+    /// EN: Restaurant — restaurants, bars, eateries.
+    /// VI: Nhà hàng, quán ăn, bar.
+    /// </summary>
+    public static readonly BusinessCategory Restaurant = new(12, nameof(Restaurant));
+    
+    /// <summary>
+    /// EN: Karaoke — karaoke bars, entertainment venues.
+    /// VI: Karaoke, các địa điểm giải trí.
+    /// </summary>
+    public static readonly BusinessCategory Karaoke = new(13, nameof(Karaoke));
+    
+    /// <summary>
+    /// EN: Spa — spa, massage, wellness centers.
+    /// VI: Spa, massage, trung tâm sức khỏe.
+    /// </summary>
+    public static readonly BusinessCategory Spa = new(14, nameof(Spa));
+
     public BusinessCategory(int id, string name) : base(id, name)
     {
     }

services/merchant-service-net/src/MerchantService.Infrastructure/EntityConfigurations/ShopEntityTypeConfiguration.cs

@@ -368,7 +368,12 @@ public class BusinessCategoryEntityTypeConfiguration : IEntityTypeConfiguration<
             BusinessCategory.Services,
             BusinessCategory.Grocery,
             BusinessCategory.HomeFurniture,
-            BusinessCategory.Other
+            BusinessCategory.Other,
+            // Vertical-specific categories
+            BusinessCategory.Cafe,
+            BusinessCategory.Restaurant,
+            BusinessCategory.Karaoke,
+            BusinessCategory.Spa
         );
     }
 }