chore(🐙): add CI workflow for building and testing Graphite package

.github/workflows/ci-graphite.yml

@@ -229,3 +229,46 @@ jobs:
       - name: Run e2e tests
         working-directory: packages/skia
         run: CI=true E2E=true yarn test -i Paths
+
+  build-library-graphite:
+    runs-on: ubuntu-latest
+    outputs:
+      run_id: ${{ github.run_id }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98 # v5.0.0
+        with:
+          submodules: recursive
+
+      - name: Setup
+        uses: ./.github/actions/setup
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          graphite: true
+
+      - name: Build package
+        run: yarn build
+
+      - name: Prepare package for graphite bundle
+        working-directory: packages/skia
+        run: node -e "const p=require('./package.json'); delete p.scripts.postinstall; p.files.push('libs/**'); require('fs').writeFileSync('./package.json', JSON.stringify(p, null, 2) + '\n')"
+
+      - name: Pack package
+        working-directory: packages/skia
+        run: yarn pack
+
+      - name: Upload package artifact
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v6.0.0
+        with:
+          name: package-tgz
+          path: packages/skia/package.tgz
+
+  test-package-e2e-graphite:
+    needs: build-library-graphite
+    uses: ./.github/workflows/test-skia-package.yml
+    with:
+      skia_version: artifact:${{ needs.build-library-graphite.outputs.run_id }}
+      test_ios: true
+      test_android: true
+      test_web: true
+      android_min_sdk: '26'

.github/workflows/test-skia-package.yml

@@ -32,6 +32,11 @@ on:
         required: false
         default: 'Nexus 5X'
         type: string
+      android_min_sdk:
+        description: 'Android minSdkVersion override'
+        required: false
+        default: ''
+        type: string
       test_web:
         description: 'Run Web tests'
         required: false
@@ -302,6 +307,23 @@ jobs:
           echo "Installing expo-dev-client..."
           npx expo install expo-dev-client
 
+      - name: Override minSdkVersion
+        if: inputs.android_min_sdk != ''
+        working-directory: /Users/runner/skia-test-app/my-app
+        run: |
+          echo "Setting minSdkVersion to ${{ inputs.android_min_sdk }} in app.json..."
+          node -e "
+            const f = './app.json';
+            const app = require(f);
+            app.expo = app.expo || {};
+            app.expo.android = app.expo.android || {};
+            app.expo.plugins = app.expo.plugins || [];
+            app.expo.plugins.push(['expo-build-properties', { android: { minSdkVersion: ${{ inputs.android_min_sdk }} } }]);
+            require('fs').writeFileSync(f, JSON.stringify(app, null, 2) + '\n');
+          "
+          npx expo install expo-build-properties
+          cat app.json
+
       - name: Prebuild native directories
         working-directory: /Users/runner/skia-test-app/my-app
         run: |