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/AssemblyInfo.cs

@@ -0,0 +1,13 @@
+using System.Runtime.CompilerServices;
+using System.Windows.Markup;
+
+[assembly: XmlnsDefinition("https://ce.pclc.cc/core/ui/animation", "PCL.Core.UI.Animation")]
+[assembly: XmlnsDefinition("https://ce.pclc.cc/core/ui/animation", "PCL.Core.UI.Animation.Core")]
+[assembly: XmlnsDefinition("https://ce.pclc.cc/core/ui/animation", "PCL.Core.UI.Animation.Easings")]
+[assembly: XmlnsPrefix("https://ce.pclc.cc/core/ui/animation", "ani")]
+
+[assembly:XmlnsDefinition("https://ce.pclc.cc/core/utils/validate", "PCL.Core.Utils.Validate")]
+[assembly:XmlnsPrefix("https://ce.pclc.cc/core/utils/validate", "val")]
+
+[assembly: DisableRuntimeMarshalling]
+[assembly: InternalsVisibleTo("PCL.Core.Test")]