fix: dump docker debug info to web root for diagnostics

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -105,5 +105,26 @@ jobs:
             rm -f /etc/nginx/conf.d/longde.cloud-ssl.conf
           fi
 
+      - name: Dump debug info
+        run: |
+          {
+            echo "=== Deploy $(date) ==="
+            echo ""
+            echo "=== docker ps -a ==="
+            docker ps -a --format 'table {{.Names}}\t{{.Image}}\t{{.Status}}\t{{.Ports}}' 2>&1
+            echo ""
+            echo "=== zhixi-api logs (tail 50) ==="
+            docker logs zhixi-api --tail 50 2>&1 || echo "(no logs)"
+            echo ""
+            echo "=== docker network ls ==="
+            docker network ls 2>&1
+            echo ""
+            echo "=== port 3001 ==="
+            ss -tlnp | grep 3001 2>/dev/null || netstat -tlnp 2>/dev/null | grep 3001 || echo "(no listener on 3001)"
+            echo ""
+            echo "=== nginx -t ==="
+            nginx -t 2>&1
+          } > /var/www/longde.cloud/deploy-status.txt 2>&1
+
       - name: Reload Nginx
         run: nginx -s reload || nginx -t 2>&1