Nueva mejoras Y estabilidad

MicroORM/OrmMetadata.cs

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+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Reflection;
+
+namespace MicroORM;
+
+public class OrmMetadata
+{
+    public static string GetTableName<T>()
+    {
+        var table = typeof(T).GetCustomAttribute<TableAttribute>();
+        if (table == null)
+            throw new InvalidOperationException("La entidad no tiene [Table]");
+
+        return string.IsNullOrEmpty(table.Schema)
+            ? table.Name
+            : $"{table.Schema}.{table.Name}";
+    }
+
+    public static PropertyInfo GetKeyProperty<T>()
+    {
+        var key = typeof(T)
+            .GetProperties()
+            .FirstOrDefault(p => p.GetCustomAttribute<KeyAttribute>() != null);
+
+        if (key == null)
+            throw new InvalidOperationException("La entidad no tiene [Key]");
+
+        return key;
+    }
+
+    public static string GetColumnName(PropertyInfo prop)
+    {
+        var columnAttr = prop.GetCustomAttribute<ColumnAttribute>();
+        return columnAttr?.Name ?? prop.Name;
+    }
+
+    public static bool IsIdentity(PropertyInfo prop)
+    {
+        var key = prop.GetCustomAttribute<KeyAttribute>() != null;
+        var dbGenerated = prop.GetCustomAttribute<DatabaseGeneratedAttribute>();
+
+        return key &&
+               dbGenerated?.DatabaseGeneratedOption == DatabaseGeneratedOption.Identity;
+    }
+
+    public static IEnumerable<PropertyInfo> GetScaffoldProperties<T>()
+    {
+        var type = typeof(T);
+        var key = GetKeyProperty<T>();
+
+        return type.GetProperties(BindingFlags.Public | BindingFlags.Instance)
+            .Where(p =>
+                p.CanWrite &&                                  // tiene setter
+                p.GetCustomAttribute<NotMappedAttribute>() == null &&
+                (
+                    p.GetCustomAttribute<ColumnAttribute>() != null ||
+                    p == key
+                )
+            );
+    }
+
+}