backend-infra-engineer: Release v0.3.1 snapshot

docs/vcpkg-triplet-setup.md

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+# Installing vcpkg Triplets for Windows
+
+This guide explains how to install the `x64-windows` triplet that's required for building YAZE on Windows.
+
+## What is a vcpkg Triplet?
+
+A triplet defines the target platform, architecture, and linking configuration for vcpkg packages. The `x64-windows` triplet is the most common one for 64-bit Windows development.
+
+## Method 1: Install via Package (Recommended)
+
+The easiest way to ensure the triplet is available is to install any package with that triplet:
+
+```cmd
+# Navigate to your vcpkg directory
+cd C:\path\to\your\vcpkg
+
+# Install a package with the x64-windows triplet
+vcpkg install sdl2:x64-windows
+```
+
+This will automatically create the triplet configuration if it doesn't exist.
+
+## Method 2: Create Triplet File Manually
+
+If you need to create the triplet configuration manually:
+
+1. **Navigate to vcpkg triplets directory:**
+   ```cmd
+   cd C:\path\to\your\vcpkg\triplets
+   ```
+
+2. **Create or verify `x64-windows.cmake` exists:**
+   ```cmd
+   dir x64-windows.cmake
+   ```
+
+3. **If it doesn't exist, create it with this content:**
+   ```cmake
+   set(VCPKG_TARGET_ARCHITECTURE x64)
+   set(VCPKG_CRT_LINKAGE dynamic)
+   set(VCPKG_LIBRARY_LINKAGE dynamic)
+   
+   set(VCPKG_CMAKE_SYSTEM_NAME Windows)
+   ```
+
+## Method 3: Check Available Triplets
+
+To see what triplets are currently available on your system:
+
+```cmd
+vcpkg help triplet
+```
+
+Or list all available triplet files:
+
+```cmd
+vcpkg help triplet | findstr "Available"
+```
+
+## Method 4: Install YAZE Dependencies
+
+Since YAZE uses several vcpkg packages, installing them will ensure the triplet is properly set up:
+
+```cmd
+# From the YAZE project root
+vcpkg install --triplet x64-windows sdl2 zlib libpng abseil
+```
+
+## Common Issues and Solutions
+
+### Issue: "Invalid triplet"
+**Solution:** Make sure vcpkg is properly installed and in your PATH:
+```cmd
+vcpkg version
+```
+
+### Issue: "Triplet not found"
+**Solution:** Install a package with that triplet first:
+```cmd
+vcpkg install zlib:x64-windows
+```
+
+### Issue: "Permission denied"
+**Solution:** Run Command Prompt as Administrator, or install vcpkg in a user-writable location.
+
+## Alternative Triplets
+
+If `x64-windows` doesn't work, you can try these alternatives:
+
+- `x64-windows-static` - Static linking
+- `x86-windows` - 32-bit Windows
+- `x64-windows-static-md` - Static runtime, dynamic CRT
+
+## Verification
+
+To verify the triplet is working:
+
+```cmd
+vcpkg list --triplet x64-windows
+```
+
+This should show installed packages for that triplet.
+
+## For YAZE Build
+
+Once the triplet is installed, you can build YAZE using CMake presets:
+
+```cmd
+cmake --preset=windows-release
+cmake --build build --config Release
+```
+
+Or with the Visual Studio solution:
+```cmd
+# Open yaze.sln in Visual Studio
+# Build normally (F5 or Ctrl+Shift+B)
+```