DatabaseHealthStatus

{
    "status": "healthy",
    "pool_status": {
        "pool_size": 0,
        "checked_in": 0,
        "checked_out": 0,
        "overflow": 0,
        "invalid": 0,
        "total_capacity": 0
    },
    "connection_stats": {
        "total_connections_created": 0,
        "active_connections": 0,
        "pool_exhaustion_count": 0,
        "last_pool_status_check": 0
    },
    "timestamp": 0,
    "error": "string"
}