fix(monitoring): 修复 Prometheus 端口冲突问题

- 将 Prometheus 端口从 9090 改为 9099，避免与已有服务冲突
- 同步更新 install-monitor.sh 和 deploy.sh 中的端口配置

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

backend/api-gateway/deploy.sh

@@ -204,7 +204,7 @@ cmd_monitoring_up() {
     echo ""
     echo "监控服务地址:"
     echo "  Grafana:    http://localhost:3030  (admin/admin123)"
-    echo "  Prometheus: http://localhost:9090"
+    echo "  Prometheus: http://localhost:9099"
     echo "  Kong 指标:  http://localhost:8001/metrics"
     echo ""
 }

backend/api-gateway/docker-compose.monitoring.yml

@@ -21,7 +21,7 @@ services:
       - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
       - prometheus_data:/prometheus
     ports:
-      - "9090:9090"
+      - "9099:9090"  # 使用 9099 避免与已有服务冲突
     restart: unless-stopped
     networks:
       - rwa-network

backend/api-gateway/scripts/install-monitor.sh

@@ -32,7 +32,7 @@ log_step() { echo -e "${CYAN}[STEP]${NC} $1"; }
 # 默认配置
 DOMAIN="${1:-monitor.szaiai.com}"
 GRAFANA_PORT=3030
-PROMETHEUS_PORT=9090
+PROMETHEUS_PORT=9099
 GRAFANA_USER="admin"
 GRAFANA_PASS="admin123"