Add better debugging to CI workflow

- Log backend and frontend output to files
- Add verbose wait for backend with API health check
- Show backend/frontend logs on failure
- Better debugging for connectivity issues

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: Laoujin

.github/workflows/playwright.yml

@@ -67,24 +67,46 @@ jobs:
 
       - name: Start backend
         working-directory: ./confac/backend
-        run: npm start &
+        run: |
+          npm start > backend.log 2>&1 &
+          echo $! > backend.pid
+          echo "Backend PID: $(cat backend.pid)"
         env:
           NODE_ENV: test
 
       - name: Start frontend
         working-directory: ./confac/frontend
-        run: npm start &
+        run: |
+          npm start > frontend.log 2>&1 &
+          echo $! > frontend.pid
+          echo "Frontend PID: $(cat frontend.pid)"
         env:
           CI: true
           BROWSER: none
 
       - name: Wait for services
         run: |
-          echo "Waiting for backend..."
-          timeout 60 bash -c 'until curl -s http://localhost:9000/health > /dev/null 2>&1 || curl -s http://localhost:9000 > /dev/null 2>&1; do sleep 2; done' || true
-          echo "Waiting for frontend..."
+          echo "Waiting for backend on port 9000..."
+          for i in {1..30}; do
+            if curl -s http://localhost:9000/api/config > /dev/null 2>&1; then
+              echo "Backend is ready!"
+              break
+            fi
+            echo "Attempt $i: Backend not ready yet..."
+            sleep 2
+          done
+
+          echo "Checking backend status..."
+          curl -v http://localhost:9000/api/config 2>&1 || true
+
+          echo ""
+          echo "Backend log (last 50 lines):"
+          tail -50 ./confac/backend/backend.log || true
+
+          echo ""
+          echo "Waiting for frontend on port 3000..."
           timeout 120 bash -c 'until curl -s http://localhost:3000 > /dev/null 2>&1; do sleep 2; done'
-          echo "Services ready!"
+          echo "Frontend is ready!"
 
       - name: Seed database
         run: npm run seed
@@ -110,6 +132,18 @@ jobs:
           path: test-results/
           retention-days: 30
 
+      - name: Show backend logs on failure
+        if: failure()
+        run: |
+          echo "=== Backend Log ==="
+          cat ./confac/backend/backend.log || echo "No backend log found"
+
+      - name: Show frontend logs on failure
+        if: failure()
+        run: |
+          echo "=== Frontend Log ==="
+          cat ./confac/frontend/frontend.log || echo "No frontend log found"
+
       - name: Show docker logs on failure
         if: failure()
         run: docker compose -f docker-compose.test.yml logs