Move e2e harness into mjs

.forgejo/workflows/e2e.yml

@@ -15,6 +15,8 @@ concurrency:
 
 env:
   RUSTFLAGS: "-Dwarnings"
+  E2E_ARTIFACTS: logs/e2e
+  E2E_WORKERS: 8
 
 jobs:
   build:
@@ -30,6 +32,10 @@ jobs:
         with:
           node-version: "25.x"
 
+      - name: Install frontend dependencies
+        working-directory: frontend
+        run: npm ci
+
       - name: Setup Rust toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -44,28 +50,12 @@ jobs:
           sqlx migrate run --source src/app_state/database/migrations --database-url sqlite://db.sqlite3
 
       - name: E2E tests
-        run: |
-          cd sync-server
-          cargo run config-e2e.yml --color never &
-          SERVER_PID=$!
-          cd ..
-
-          scripts/e2e.sh 8
-          EXIT_CODE=$?
-
-          kill $SERVER_PID 2>/dev/null || true
-          wait $SERVER_PID 2>/dev/null || true
-
-          exit $EXIT_CODE
+        run: scripts/e2e.sh
 
       - name: Upload e2e logs
         if: always()
         uses: actions/upload-artifact@v4
         with:
           name: e2e-logs
-          path: logs/
+          path: ${{ env.E2E_ARTIFACTS }}
           retention-days: 30
-
-      - name: Cleanup
-        if: always()
-        run: scripts/clean-up.sh