Show HN: Coder Words – An offline-first PWA word puzzle for programmers

It's a clone of 7 Little Words, but with topics from computer science and programming. No sign-up, no app install, no tracking. It's a PWA and works offline, also as a home screen app.

Tech: js, no libs, Canvas API, Web Audio, AI-aided but not vibe coded, puzzles curated by hand.