ci: test xcode26

Author: cxfksword

.github/workflows/xcode26.yml

@@ -0,0 +1,38 @@
+name: XCode 26 Test
+
+on:
+  push:
+    branches:
+      - xcode26
+  workflow_dispatch:
+
+jobs:
+  build:
+    permissions:
+      contents: write
+    runs-on: macos-26
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Show Xcode version
+        run: xcodebuild -version
+
+      - name: Show available SDKs
+        run: xcodebuild -showsdks
+
+      - name: Resolve Swift Package dependencies
+        run: |
+          xcodebuild -resolvePackageDependencies \
+            -project Demo/Demo-macOS/Demo-macOS.xcodeproj \
+            -scheme Demo-macOS
+
+      - name: Build for Release
+        id: build
+        continue-on-error: true
+        run: |
+          xcodebuild -project Demo/Demo-macOS/Demo-macOS.xcodeproj \
+            -scheme Demo-macOS \
+            -configuration Release \
+            CODE_SIGN_IDENTITY="-" \
+            CODE_SIGNING_REQUIRED=NO \
+            CODE_SIGNING_ALLOWED=NO