Add macOS arm64 Gitea workflow

.gitea/workflows/electron-macos-arm64.yml

@@ -0,0 +1,57 @@
+name: electron-macos-arm64
+
+on:
+  push:
+    branches: [ main ]
+    tags: [ 'v*' ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  electron-macos-arm64:
+    runs-on: macos-arm64
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Prepare PATH
+        run: |
+          echo "/opt/homebrew/bin" >> "$GITHUB_PATH"
+
+      - name: Verify toolchain
+        run: |
+          set -euo pipefail
+          node --version
+          npm --version
+          xcode-select -p
+
+      - name: Install npm dependencies
+        run: |
+          set -euo pipefail
+          npm ci
+
+      - name: Build macOS arm64 zip
+        run: |
+          set -euo pipefail
+          npx electron-builder --mac zip --arm64 --publish never
+
+      - name: Pack artifact and copy to Desktop
+        run: |
+          set -euo pipefail
+          rm -rf artifacts
+          mkdir -p artifacts "$HOME/Desktop"
+          zip_path="$(find dist -maxdepth 1 -type f -name '*.zip' | head -n1 || true)"
+          [ -n "$zip_path" ] || { echo 'No macOS zip produced'; exit 1; }
+          out="electron_tray_demo-macos-arm64-run${{ github.run_number }}.zip"
+          cp "$zip_path" "artifacts/$out"
+          cp "artifacts/$out" "$HOME/Desktop/$out"
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: electron_tray_demo-macos-arm64-run${{ github.run_number }}
+          path: artifacts/
+          retention-days: 14