- fix: auth logic part 1

Nebula.Shared/Configurations/ConVarBuilder.cs

@@ -0,0 +1,25 @@
+using Nebula.Shared.Configurations.Migrations;
+using Nebula.Shared.Services;
+
+namespace Nebula.Shared.Configurations;
+
+public static class ConVarBuilder
+{
+    public static ConVar<T> Build<T>(string name, T? defaultValue = default)
+    {
+        if (string.IsNullOrWhiteSpace(name))
+            throw new ArgumentException("ConVar name cannot be null or whitespace.", nameof(name));
+
+        return new ConVar<T>(name, defaultValue);
+    }
+
+    public static ConVar<T> BuildWithMigration<T>(string name, IConfigurationMigration migration, T? defaultValue = default)
+    {
+        if (string.IsNullOrWhiteSpace(name))
+            throw new ArgumentException("ConVar name cannot be null or whitespace.", nameof(name));
+        
+        ConfigurationService.AddConfigurationMigration(migration);
+
+        return new ConVar<T>(name, defaultValue);
+    }
+}