CREATE TABLE `site_hits` (
  `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  `ip` VARCHAR(45) NOT NULL,
  `user_agent` TEXT,
  `referer` TEXT,
  `url` TEXT,
  `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_created_at` (`created_at`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;