Add GitHub Actions workflows for CI and release

- CI workflow: Build and test on Node.js 18/20/22, test desktop executor
  on Linux/macOS/Windows with platform-specific dependencies
- Release workflow: Build artifacts for all platforms and create GitHub
  release on tag push

Co-Authored-By: Claude <noreply@anthropic.com>

Author: k0ngk0ng

.github/workflows/ci.yml

@@ -0,0 +1,98 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18, 20, 22]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build protocol
+        run: npm run build -w packages/protocol
+
+      - name: Build server
+        run: npm run build -w server
+
+      - name: Run tests
+        run: npm test -w server
+
+  build-desktop:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        node-version: [20]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+
+      # Linux dependencies for robotjs
+      - name: Install Linux dependencies
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libxtst-dev libpng-dev
+
+      # macOS dependencies for robotjs
+      - name: Install macOS dependencies
+        if: runner.os == 'macOS'
+        run: |
+          xcode-select --install || true
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build protocol
+        run: npm run build -w packages/protocol
+
+      - name: Build desktop executor
+        run: npm run build -w @wire-agent/desktop-executor
+
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Check TypeScript
+        run: |
+          npm run build -w packages/protocol
+          npm run build -w server

.github/workflows/release.yml

@@ -0,0 +1,100 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-release:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            platform: linux
+          - os: macos-latest
+            platform: macos
+          - os: windows-latest
+            platform: windows
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+
+      # Linux dependencies for robotjs
+      - name: Install Linux dependencies
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libxtst-dev libpng-dev
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build all
+        run: npm run build
+
+      # Package server
+      - name: Package server
+        run: |
+          mkdir -p dist/server
+          cp -r server/dist dist/server/
+          cp server/package.json dist/server/
+
+      # Package desktop executor
+      - name: Package desktop executor
+        run: |
+          mkdir -p dist/desktop
+          cp -r executors/desktop/dist dist/desktop/
+          cp executors/desktop/package.json dist/desktop/
+
+      # Create archive
+      - name: Create archive (Unix)
+        if: runner.os != 'Windows'
+        run: |
+          cd dist
+          tar -czvf wire-agent-${{ matrix.platform }}.tar.gz server desktop
+
+      - name: Create archive (Windows)
+        if: runner.os == 'Windows'
+        run: |
+          cd dist
+          Compress-Archive -Path server, desktop -DestinationPath wire-agent-${{ matrix.platform }}.zip
+
+      # Upload artifacts
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: wire-agent-${{ matrix.platform }}
+          path: |
+            dist/wire-agent-*.tar.gz
+            dist/wire-agent-*.zip
+
+  create-release:
+    needs: build-and-release
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Download all artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: artifacts
+
+      - name: Create Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            artifacts/**/*.tar.gz
+            artifacts/**/*.zip
+          generate_release_notes: true