fix(ci+tests): fix E2E artifact (exclude 558MB standalone/node_modules, cp after download) and update skill count to 43

.github/workflows/ci.yml

@@ -148,7 +148,11 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: e2e-next-build
-          path: .build/next/
+          # Exclude standalone/node_modules (558MB) — each shard already runs
+          # npm ci, so we cp node_modules into standalone after the download.
+          path: |
+            .build/next/
+            !.build/next/standalone/node_modules/
           retention-days: 1
 
   package-artifact:
@@ -541,6 +545,8 @@ jobs:
         with:
           name: e2e-next-build
           path: .build/next/
+      - name: Restore standalone node_modules from npm ci
+        run: cp -r node_modules .build/next/standalone/node_modules
       - run: npx playwright test tests/e2e/*.spec.ts --shard=${{ matrix.shard }}/9
 
   test-integration: