chore: establish V1.1 recovery baseline

infrastructure/scripts/first-day-monitoring.sh

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+#!/bin/bash
+# ============================================
+# 丹阳公益婚恋服务平台 — 上线首日监控检查
+# ============================================
+set -euo pipefail
+
+echo "============================================"
+echo " 丹阳公益婚恋平台 — 上线首日监控"
+echo " $(date '+%Y-%m-%d %H:%M:%S')"
+echo "============================================"
+echo ""
+
+# 1. 服务健康
+echo "【1. 服务健康】"
+docker compose -f "${COMPOSE_FILE:-../infrastructure/docker-compose.prod.yml}" ps 2>/dev/null | grep -E "backend|postgres|redis|nginx" || echo "  ⚠️ Docker Compose未运行，跳过容器检查"
+
+# 2. 错误日志
+echo ""
+echo "【2. 错误日志检查（最近100行）】"
+docker logs danyang-match-backend --tail 100 2>/dev/null | grep -i "error\|exception\|fatal" | tail -5 || echo "  ✅ 无ERROR日志"
+
+# 3. 数据库连接
+echo ""
+echo "【3. 数据库连接】"
+docker exec danyang-match-postgres pg_isready -U "${DB_USER:-danyang}" 2>/dev/null && \
+    echo "  ✅ PostgreSQL连接正常" || echo "  ❌ PostgreSQL连接异常"
+
+# 4. Redis连接
+echo ""
+echo "【4. Redis连接】"
+docker exec danyang-match-redis redis-cli ping 2>/dev/null | grep -q PONG && \
+    echo "  ✅ Redis连接正常" || echo "  ⚠️ Redis不可用（可接受：非核心依赖）"
+
+# 5. 磁盘空间
+echo ""
+echo "【5. 磁盘空间】"
+DISK_USAGE=$(df -h / 2>/dev/null | awk 'NR==2{print $5}' || echo "unknown")
+echo "  根分区使用: ${DISK_USAGE}"
+if [ "${DISK_USAGE%"%"}" -gt 80 ] 2>/dev/null; then
+    echo "  ⚠️ 磁盘使用超过80%，请关注"
+fi
+
+# 6. 内存使用
+echo ""
+echo "【6. 内存使用】"
+docker stats --no-stream --format "table {{.Name}}\t{{.MemUsage}}" 2>/dev/null || true
+
+# 7. 关键API响应时间
+echo ""
+echo "【7. API响应时间】"
+for endpoint in "/api/v1/health/live" "/api/v1/users" "/api/v1/matches/recommendations"; do
+    TIME=$(curl -s -o /dev/null -w "%{time_total}s" "http://localhost:8080${endpoint}" 2>/dev/null || echo "N/A")
+    echo "  ${endpoint}: ${TIME}"
+done
+
+# 8. 举报/申诉数量
+echo ""
+echo "【8. 业务指标（生产环境）】"
+echo "  ⚠️ 请通过后台管理界面查看实时统计数据"
+
+echo ""
+echo "============================================"
+echo " 上线首日监控完成"
+echo " 如发现异常，请立即执行:"
+echo "   docker compose -f infrastructure/docker-compose.prod.yml restart"
+echo "   或联系技术负责人"
+echo "============================================"