ci: Add GitHub Actions workflow for Avalonia Launcher build

- Created LANCommander.Launcher.Avalonia.yml workflow for building cross-platform
- Builds for Linux x64, macOS ARM64/x64, Windows x64
- Uses single-file publish with native libraries included
- Updated LANCommander.Release.yml to include Avalonia launcher builds
- Artifacts are included in release draft

.github/workflows/LANCommander.Launcher.Avalonia.yml

@@ -0,0 +1,120 @@
+name: LANCommander Launcher Avalonia Build
+
+on:
+  workflow_dispatch:
+  workflow_call:
+    inputs:
+      version_semver:
+        description: "Semantic Version"
+        required: true
+        type: string
+      version_tag:
+        description: 'Version Tag'
+        required: true
+        type: string
+      build_dotnet_version:
+        description: 'Build .NET Version'
+        required: true
+        type: string
+      build_runtime:
+        description: 'Build Runtime'
+        required: false
+        type: string
+        default: 'win-x64'
+      build_arch:
+        description: 'Build Architecture'
+        required: false
+        type: string
+        default: 'x64'
+      build_platform:
+        description: 'Build Platform'
+        required: false
+        type: string
+        default: 'Windows'
+      build_configuration:
+        description: 'Build Configuration (Debug/Release)'
+        required: false
+        type: string
+        default: 'Release'
+
+permissions:
+  contents: write
+
+env:
+  NUGET_PACKAGES: ${{ github.workspace }}/.nuget/package
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    env:
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+    # Checkout code
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    # .NET Setup
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: ${{ inputs.build_dotnet_version }}
+
+    - name: Restore dependencies
+      run: dotnet restore --locked-mode
+
+    - name: Publish Avalonia Launcher
+      run: |
+        # Strip leading 'v' if present
+        RAW_VERSION="${{ inputs.version_tag }}"       # e.g. v2.0.0-rc1
+        SEMVER="${RAW_VERSION#v}"                     # 2.0.0-rc1
+
+        # Numeric part only for Assembly/FileVersion
+        NUMERIC="${SEMVER%%-*}"                       # 2.0.0
+        ASSEMBLY_VERSION="${NUMERIC}.0"               # 2.0.0.0
+
+        echo "SEMVER=$SEMVER"
+        echo "ASSEMBLY_VERSION=$ASSEMBLY_VERSION"
+
+        dotnet publish "./LANCommander.Launcher.Avalonia/LANCommander.Launcher.Avalonia.csproj" \
+          -c "${{ inputs.build_configuration }}" \
+          --self-contained \
+          --runtime "${{ inputs.build_runtime }}" \
+          -p:Version="$SEMVER" \
+          -p:AssemblyVersion="$ASSEMBLY_VERSION" \
+          -p:FileVersion="$ASSEMBLY_VERSION" \
+          -p:InformationalVersion="$SEMVER" \
+          -p:PublishSingleFile=true \
+          -p:IncludeNativeLibrariesForSelfExtract=true
+
+    - name: Bundle and Clean
+      shell: pwsh
+      run: |
+        $BasePath = "LANCommander.Launcher.Avalonia/bin/${{ inputs.build_configuration }}/net9.0/${{ inputs.build_runtime }}/publish"
+        
+        # Remove unnecessary files
+        $PathsToRemove = @(
+          '*.pdb'
+        )
+        
+        foreach ($path in $PathsToRemove) {
+          Remove-Item -Recurse -Force -ErrorAction Continue "$BasePath/$path"
+        }
+
+    - name: Compress Build Output
+      shell: pwsh
+      run: |
+        $compress = @{
+          Path = "LANCommander.Launcher.Avalonia/bin/${{ inputs.build_configuration }}/net9.0/${{ inputs.build_runtime }}/publish/*"
+          DestinationPath = "LANCommander.Launcher.Avalonia-${{ inputs.build_platform }}-${{ inputs.build_arch }}-v${{ inputs.version_tag }}.zip"
+          CompressionLevel = "Fastest"
+        }
+        Compress-Archive @compress
+
+    - name: Upload Artifact
+      uses: actions/upload-artifact@v4
+      with:
+        path: LANCommander.Launcher.Avalonia-${{ inputs.build_platform }}-${{ inputs.build_arch }}-v${{ inputs.version_tag }}.zip
+        name: LANCommander.Launcher.Avalonia-${{ inputs.build_platform }}-${{ inputs.build_arch }}-v${{ inputs.version_tag }}.zip

.github/workflows/LANCommander.Release.yml

@@ -189,6 +189,55 @@ jobs:
       build_platform: Windows
       build_configuration: Release
 
+  # Avalonia Launcher
+  build_launcher_avalonia_linux_x64:
+    needs: [prep]
+    uses: ./.github/workflows/LANCommander.Launcher.Avalonia.yml
+    with:
+      build_dotnet_version: ${{ needs.prep.outputs.build_dotnet_version }}
+      version_semver: ${{ needs.prep.outputs.version_semver }}
+      version_tag: ${{ needs.prep.outputs.version_tag }}
+      build_runtime: linux-x64
+      build_arch: x64
+      build_platform: Linux
+      build_configuration: Release
+
+  build_launcher_avalonia_osx_arm64:
+    needs: [prep]
+    uses: ./.github/workflows/LANCommander.Launcher.Avalonia.yml
+    with:
+      build_dotnet_version: ${{ needs.prep.outputs.build_dotnet_version }}
+      version_semver: ${{ needs.prep.outputs.version_semver }}
+      version_tag: ${{ needs.prep.outputs.version_tag }}
+      build_runtime: osx-arm64
+      build_arch: arm64
+      build_platform: macOS
+      build_configuration: Release
+
+  build_launcher_avalonia_osx_x64:
+    needs: [prep]
+    uses: ./.github/workflows/LANCommander.Launcher.Avalonia.yml
+    with:
+      build_dotnet_version: ${{ needs.prep.outputs.build_dotnet_version }}
+      version_semver: ${{ needs.prep.outputs.version_semver }}
+      version_tag: ${{ needs.prep.outputs.version_tag }}
+      build_runtime: osx-x64
+      build_arch: x64
+      build_platform: macOS
+      build_configuration: Release
+
+  build_launcher_avalonia_win_x64:
+    needs: [prep]
+    uses: ./.github/workflows/LANCommander.Launcher.Avalonia.yml
+    with:
+      build_dotnet_version: ${{ needs.prep.outputs.build_dotnet_version }}
+      version_semver: ${{ needs.prep.outputs.version_semver }}
+      version_tag: ${{ needs.prep.outputs.version_tag }}
+      build_runtime: win-x64
+      build_arch: x64
+      build_platform: Windows
+      build_configuration: Release
+
   build_release:
     runs-on: ubuntu-latest
     needs:
@@ -205,6 +254,10 @@ jobs:
       - build_launcher_osx_x64
       - build_launcher_win_arm64
       - build_launcher_win_x64
+      - build_launcher_avalonia_linux_x64
+      - build_launcher_avalonia_osx_arm64
+      - build_launcher_avalonia_osx_x64
+      - build_launcher_avalonia_win_x64
 
     steps:
       - name: Create Temp Directory
@@ -282,6 +335,31 @@ jobs:
           name: LANCommander.Launcher-Windows-x64-v${{ needs.prep.outputs.version_tag }}.zip
           path: artifacts
 
+      # Avalonia Launcher artifacts
+      - name: Download Avalonia Launcher Linux x64
+        uses: actions/download-artifact@v4
+        with:
+          name: LANCommander.Launcher.Avalonia-Linux-x64-v${{ needs.prep.outputs.version_tag }}.zip
+          path: artifacts
+
+      - name: Download Avalonia Launcher macOS ARM64
+        uses: actions/download-artifact@v4
+        with:
+          name: LANCommander.Launcher.Avalonia-macOS-arm64-v${{ needs.prep.outputs.version_tag }}.zip
+          path: artifacts
+
+      - name: Download Avalonia Launcher macOS x64
+        uses: actions/download-artifact@v4
+        with:
+          name: LANCommander.Launcher.Avalonia-macOS-x64-v${{ needs.prep.outputs.version_tag }}.zip
+          path: artifacts
+
+      - name: Download Avalonia Launcher Windows x64
+        uses: actions/download-artifact@v4
+        with:
+          name: LANCommander.Launcher.Avalonia-Windows-x64-v${{ needs.prep.outputs.version_tag }}.zip
+          path: artifacts
+
       - name: Debug - List Artifact Files
         run: |
           echo "Contents of ./artifacts:"
@@ -306,6 +384,10 @@ jobs:
             artifacts/LANCommander.Launcher-Linux-arm64-v${{ needs.prep.outputs.version_tag }}.zip
             artifacts/LANCommander.Launcher-macOS-arm64-v${{ needs.prep.outputs.version_tag }}.zip
             artifacts/LANCommander.Launcher-macOS-x64-v${{ needs.prep.outputs.version_tag }}.zip
+            artifacts/LANCommander.Launcher.Avalonia-Linux-x64-v${{ needs.prep.outputs.version_tag }}.zip
+            artifacts/LANCommander.Launcher.Avalonia-macOS-arm64-v${{ needs.prep.outputs.version_tag }}.zip
+            artifacts/LANCommander.Launcher.Avalonia-macOS-x64-v${{ needs.prep.outputs.version_tag }}.zip
+            artifacts/LANCommander.Launcher.Avalonia-Windows-x64-v${{ needs.prep.outputs.version_tag }}.zip
 
       - name: Checkout Repo for Docker build
         uses: actions/checkout@v4