Fase 3: Soporte de Imágenes en Wizard y Backend (Upload Local)

src/SIGCM.Infrastructure/Data/DbInitializer.cs

@@ -154,6 +154,18 @@ BEGIN
         FOREIGN KEY (AttributeDefinitionId) REFERENCES AttributeDefinitions(Id) ON DELETE NO ACTION
     );
 END
+
+IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'ListingImages')
+BEGIN
+    CREATE TABLE ListingImages (
+        Id INT IDENTITY(1,1) PRIMARY KEY,
+        ListingId INT NOT NULL,
+        Url NVARCHAR(500) NOT NULL,
+        IsMainInfo BIT DEFAULT 0,
+        DisplayOrder INT DEFAULT 0,
+        FOREIGN KEY (ListingId) REFERENCES Listings(Id) ON DELETE CASCADE
+    );
+END
 ";
         await connection.ExecuteAsync(schemaSql);
     }