feat: 项目初始化 + 3D方块世界原型 + AI助搭系统

初始化 monorepo: Go后端(7微服务) + Unity客户端(9模块) + 启动器

HTML5原型: Three.js 3D体素世界, Perlin噪声地形, 原版材质, 22种方块

Minecraft创造模式背包: 双栏布局, 拖拽移动物品, 方向性元件引脚

AI助搭策划文档 + 客户端/服务端骨架 + Docker Compose + CI

launcher/PCL-CE/PCL.Core/App/IoC/Lifecycle.cs

@@ -0,0 +1,26 @@
+using System.Threading.Tasks;
+
+namespace PCL.Core.App.IoC;
+
+/// <summary>
+/// 启动器生命周期管理
+/// </summary>
+[LifecycleService(LifecycleState.BeforeLoading, Priority = int.MaxValue)]
+public sealed partial class Lifecycle : ILifecycleService
+{
+    public string Identifier => "lifecycle";
+    public string Name => "生命周期";
+    public bool SupportAsync => false;
+
+    private static LifecycleContext? _context;
+    private Lifecycle() { _context = GetContext(this); }
+    private static LifecycleContext Context => _context ?? SystemContext;
+
+    public Task StartAsync() => Task.CompletedTask;
+
+    public Task StopAsync()
+    {
+        _context = null;
+        return Task.CompletedTask;
+    }
+}