Upstream: https://github.com/kenrick95/c4
Commit: e43a2c850f37bb6eb65a1bba093dbd698890e5e8
Adapted by Scotland AI, 20 September 2026.
Original copyright and licence retained.
Changes: local-only hosting, compact mobile layout, isolated input and feedback pause, namespaced saves. No ads or analytics.
MIT licensed.
