Fix Node 24 Playwright install hang

.github/workflows/portability.yml

@@ -14,9 +14,8 @@ name: Portability
 #                          Catches RSC boundary, SSR, and middleware bugs.
 #
 # Layer 1 is cheap and gates everything else. Layer 2 runs on a small matrix.
-# Layer 3 runs on Linux only and current LTS Node lines — Next.js runtime
-# behaviour is not OS-sensitive, and Playwright/browser installation on the
-# moving current Node line has been flaky enough to hide product regressions.
+# Layer 3 runs on Linux only — Next.js runtime behaviour is not OS-sensitive,
+# and Playwright+browsers on Windows/macOS add cost for little signal.
 
 on:
   push:
@@ -85,7 +84,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ['20', '22']
+        node: ['20', '22', '24']
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -94,9 +93,13 @@ jobs:
         with:
           bun-version: latest
 
-      - uses: actions/setup-node@v4
+      # Playwright 1.59.1 can hang after a 100% browser download under Node 24
+      # on ubuntu-24.04. Install the browser with Node 22, then switch to the
+      # matrix Node version before running the actual integration test.
+      - name: Set up Node for Playwright install
+        uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node }}
+          node-version: '22'
 
       - name: Install dependencies
         run: bun install --frozen-lockfile
@@ -105,7 +108,13 @@ jobs:
         run: bun run build:packages
 
       - name: Install Playwright browser (chromium only)
-        run: bunx playwright install --with-deps --only-shell chromium
+        timeout-minutes: 5
+        run: npx --no-install playwright install --with-deps --only-shell chromium
+
+      - name: Set up Node under test
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
 
       - name: Run Next.js integration E2E
         run: bun run test:playwright