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/Minecraft/Java/UserPreference/AutoSelect.cs

@@ -0,0 +1,3 @@
+namespace PCL.Core.Minecraft.Java.UserPreference;
+
+public record AutoSelect : JavaPreference;

launcher/PCL-CE/PCL.Core/Minecraft/Java/UserPreference/ExistingJava.cs

@@ -0,0 +1,3 @@
+namespace PCL.Core.Minecraft.Java.UserPreference;
+
+public record ExistingJava(string JavaExePath) : JavaPreference;

launcher/PCL-CE/PCL.Core/Minecraft/Java/UserPreference/JavaPreference.cs

@@ -0,0 +1,10 @@
+using System.Text.Json.Serialization;
+
+namespace PCL.Core.Minecraft.Java.UserPreference;
+
+[JsonPolymorphic(TypeDiscriminatorPropertyName = "kind")]
+[JsonDerivedType(typeof(ExistingJava), "exist")]
+[JsonDerivedType(typeof(UseGlobalPreference), "global")]
+[JsonDerivedType(typeof(UseRelativePath), "relative")]
+[JsonDerivedType(typeof(AutoSelect), "auto")]
+public abstract record JavaPreference;

launcher/PCL-CE/PCL.Core/Minecraft/Java/UserPreference/UseGlobalPreference.cs

@@ -0,0 +1,3 @@
+namespace PCL.Core.Minecraft.Java.UserPreference;
+
+public record UseGlobalPreference : JavaPreference;

launcher/PCL-CE/PCL.Core/Minecraft/Java/UserPreference/UseRelativePath.cs

@@ -0,0 +1,3 @@
+namespace PCL.Core.Minecraft.Java.UserPreference;
+
+public record UseRelativePath(string RelativePath) : JavaPreference;