Merge branch 'staging' into copilot/switch-ci-to-uv-sync

Author: gkorland

.github/workflows/nextjs.yml

@@ -23,7 +23,11 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v6
         with:
-          node-version: "20"
+          node-version: "24"
+          cache: "npm"
+          cache-dependency-path: |
+            package-lock.json
+            app/package-lock.json
 
       - name: Install frontend dependencies
         working-directory: ./app

.github/workflows/playwright.yml

@@ -30,6 +30,10 @@ jobs:
     - uses: actions/setup-node@v6
       with:
         node-version: 24
+        cache: 'npm'
+        cache-dependency-path: |
+          package-lock.json
+          app/package-lock.json
 
     - uses: actions/setup-python@v6
       with: