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/build.ps1

@@ -0,0 +1,41 @@
+# MRCC Launcher 构建脚本
+# 用法: .\build.ps1 [-Run]
+
+param(
+    [switch]$Run
+)
+
+$ErrorActionPreference = "Stop"
+
+# 设置 .NET SDK 环境变量（本地安装的 SDK）
+$DotnetRoot = "D:\Code\MRCC\.dotnet"
+$env:DOTNET_ROOT = $DotnetRoot
+$env:DOTNET_MULTILEVEL_LOOKUP = "0"
+$env:APPDATA = "D:\Code\MRCC\.userdata\AppData\Roaming"
+$env:LOCALAPPDATA = "D:\Code\MRCC\.userdata\AppData\Local"
+$env:NUGET_PACKAGES = "D:\Code\MRCC\.nuget\packages"
+$env:NUGET_HTTP_CACHE_PATH = "D:\Code\MRCC\.nuget\v3-cache"
+$env:DOTNET_CLI_TELEMETRY_OPTOUT = "1"
+
+$DotnetExe = Join-Path $DotnetRoot "dotnet.exe"
+$SolutionPath = Join-Path $PSScriptRoot "MRCC.Launcher.sln"
+
+Write-Host "Building MRCC.Launcher..." -ForegroundColor Cyan
+& $DotnetExe build $SolutionPath
+if ($LASTEXITCODE -ne 0) {
+    Write-Host "Build failed!" -ForegroundColor Red
+    exit 1
+}
+
+Write-Host "Build succeeded!" -ForegroundColor Green
+
+if ($Run) {
+    Write-Host "Launching MRCC.Launcher..." -ForegroundColor Cyan
+    $exePath = Join-Path $PSScriptRoot "MRCC.Launcher\bin\Debug\net10.0-windows\MRCC.Launcher.exe"
+    if (Test-Path $exePath) {
+        & $exePath
+    } else {
+        Write-Host "Executable not found: $exePath" -ForegroundColor Red
+        Write-Host "Try building with Release configuration." -ForegroundColor Yellow
+    }
+}