}

    /**
     * Manually unlock an account
     *
     * @param username the username to unlock
     * @return true if account was unlocked, false if not found
     */
    public boolean unlockAccount(String username) {
        AccountAttempts account = accountAttempts.get(username);
        if (account != null) {
            account.reset();
            log.info("Manually unlocked account: {}", username);