Security Disclaimer

This playground includes an optional front‑end gate that requests a username and password before entering the learning hub. The gate is provided solely as a user‑experience example and does not offer any real security. All credential checking is implemented entirely in your browser, and the credential list is hard‑coded in the page’s JavaScript.

Because the logic runs client‑side and uses predictable usernames and passwords, it should never be used to protect sensitive data or manage real user accounts. Anyone with minimal technical knowledge can bypass or view the code. For real authentication needs, always implement a proper server‑side login system with encryption, secure password storage and session management.

If you choose to enable the gate in your own copy of this playground, do so only for illustrative purposes. You can enable or disable it by editing the top of playground/index.html and toggling the GATE_ENABLED variable. When enabled, accepted usernames are user0001 through user0100, with matching passwords pass0001 through pass0100.

For more details on how this gate works, refer to the README.md included in this distribution.