fix: Switch release workflow to test chromium/firefox only and add sharding (#1329)

Author: jcputney

.github/workflows/release.yml

@@ -5,48 +5,126 @@ on:
     types: [created]
 
 jobs:
-  build-and-publish:
+  build-and-unit:
+    name: Build & Unit Tests
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run unit tests
+        run: npm run test:min
+
+      - name: Build (prod)
+        run: npm run build:all:prod
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-output
+          path: dist/
+          retention-days: 1
+
+  integration-tests:
+    name: Integration (${{ matrix.browser }}, Shard ${{ matrix.shard }}/4)
+    needs: build-and-unit
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        browser: [chromium, firefox]
+        shard: [1, 2, 3, 4]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Download build artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: build-output
+          path: dist/
+
+      - name: Cache Playwright browsers
+        uses: actions/cache@v4
+        id: playwright-cache
+        with:
+          path: ~/.cache/ms-playwright
+          key: playwright-${{ runner.os }}-${{ matrix.browser }}-${{ hashFiles('package-lock.json') }}
+
+      - name: Install Playwright browser
+        if: steps.playwright-cache.outputs.cache-hit != 'true'
+        run: npx playwright install --with-deps ${{ matrix.browser }}
+
+      - name: Install Playwright deps only
+        if: steps.playwright-cache.outputs.cache-hit == 'true'
+        run: npx playwright install-deps ${{ matrix.browser }}
+
+      - name: Run integration tests (${{ matrix.browser }}, shard ${{ matrix.shard }}/4)
+        run: npx playwright test --project=${{ matrix.browser }} --shard=${{ matrix.shard }}/4 --reporter=list
+
+      - name: Upload test results
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: playwright-results-${{ matrix.browser }}-shard-${{ matrix.shard }}
+          path: test-results/
+          retention-days: 7
+          if-no-files-found: ignore
+
+  publish:
+    name: Publish to npm
+    needs: [build-and-unit, integration-tests]
     runs-on: ubuntu-latest
     permissions:
       contents: write
       id-token: write
     steps:
-      # Checkout repository
       - name: Checkout code
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}
 
-      # Set up Node.js with OIDC
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           node-version: 20
           registry-url: 'https://registry.npmjs.org'
           cache: "npm"
 
-      # Ensure latest npm for OIDC support
       - name: Update npm
         run: npm install -g npm@latest
 
-      # Install dependencies
       - name: Install dependencies
         run: npm install
 
-      # Build once (prod) to reuse for integration tests
-      - name: Build (prod)
-        run: npm run build:all:prod
-
-      # Install Playwright browsers
-      - name: Install Playwright browsers
-        run: npx playwright install --with-deps chromium
-
-      # Run tests
-      - name: Run tests
-        run: |
-          npm run test:min
-          npx playwright test --reporter=list
+      - name: Download build artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: build-output
+          path: dist/
 
       # Determine npm tag based on version
       - name: Determine npm tag