Fix deployment workflow: correct target paths and PM2 cwd

- Deploy backend to /opt/gameserver-monitor/backend/ (not root)
- Deploy frontend to /opt/gameserver-monitor/frontend/dist/
- Run PM2 restart from backend directory with --update-env
- Add proper PM2 process check before restart

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

.gitea/workflows/deploy.yml

@@ -38,8 +38,9 @@ jobs:
           username: root
           key: ${{ secrets.SSH_DEPLOY_KEY }}
           source: "gsm-backend/"
-          target: "/opt/gameserver-monitor/"
+          target: "/opt/gameserver-monitor/backend/"
           strip_components: 1
+          overwrite: true
 
       - name: Deploy Frontend
         uses: appleboy/scp-action@v0.1.7
@@ -48,8 +49,9 @@ jobs:
           username: root
           key: ${{ secrets.SSH_DEPLOY_KEY }}
           source: "gsm-frontend/dist/"
-          target: "/opt/gameserver-monitor/frontend/"
+          target: "/opt/gameserver-monitor/frontend/dist/"
           strip_components: 2
+          overwrite: true
 
       - name: Restart Services
         uses: appleboy/ssh-action@v1.0.3
@@ -58,6 +60,14 @@ jobs:
           username: root
           key: ${{ secrets.SSH_DEPLOY_KEY }}
           script: |
-            cd /opt/gameserver-monitor
+            cd /opt/gameserver-monitor/backend
-            pm2 restart gsm-backend || pm2 start backend/server.js --name gsm-backend
+
+            # Restart or start PM2 process with correct cwd
+            if pm2 list | grep -q gsm-backend; then
+              pm2 restart gsm-backend --update-env
+            else
+              pm2 start server.js --name gsm-backend
+              pm2 save
+            fi
+
             echo "Deploy complete!"