feat: Add GameObjectSyncSystemBase and update Arch dependencies

Add new GameObjectSyncSystemBase abstract system for syncing game objects with position data. Update all csproj files to use Arch-Events and Arch.System packages instead of the base Arch package.

Author: Bli-AIk

src/Lunar.Modules.TypeWriter.Test/Lunar.Modules.TypeWriter.Test.csproj

@@ -9,6 +9,8 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <PackageReference Include="Arch-Events" Version="2.1.0" />
+        <PackageReference Include="Arch.System" Version="1.1.0" />
         <PackageReference Include="FluentAssertions" Version="8.5.0" />
         <PackageReference Include="JetBrains.Annotations" Version="2025.2.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0"/>

src/Lunar.Modules.TypeWriter/Lunar.Modules.TypeWriter.csproj

@@ -5,9 +5,10 @@
         <TargetFramework>netstandard2.1</TargetFramework>
         <LangVersion>9</LangVersion>
     </PropertyGroup>
-    
+
     <ItemGroup>
-        <PackageReference Include="Arch" Version="2.1.0"/>
+      <PackageReference Include="Arch-Events" Version="2.1.0" />
+      <PackageReference Include="Arch.System" Version="1.1.0" />
     </ItemGroup>
 
 </Project>

src/Lunar/Lunar.csproj

@@ -8,7 +8,8 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Arch" Version="2.1.0"/>
+      <PackageReference Include="Arch-Events" Version="2.1.0" />
+      <PackageReference Include="Arch.System" Version="1.1.0" />
     </ItemGroup>
 
 </Project>

src/Lunar/Systems/GameObjectSyncSystemBase.cs

@@ -0,0 +1,23 @@
+using Arch.Core;
+using Arch.System;
+using Lunar.Components;
+
+namespace Lunar.Systems
+{
+    public abstract class GameObjectSyncSystemBase : BaseSystem<World, float>
+    {
+        protected GameObjectSyncSystemBase(World world) : base(world) { }
+
+        protected abstract void ApplyTransform(GameObjectComponent gameObject, PositionComponent position);
+
+        public override void Update(in float deltaTime)
+        {
+            var query = new QueryDescription().WithAll<GameObjectComponent, PositionComponent>();
+            World.Query(in query,
+                (Entity entity, ref GameObjectComponent gameObject, ref PositionComponent position) =>
+                {
+                    ApplyTransform(gameObject, position);
+                });
+        }
+    }
+}