PWA Offline Support and the CrazyGames Cache Bug

Bumped the service worker to v3 and shipped a Clear-Cache-and-Reload button so no player is trapped on a stale shell.

Some players reported the site loading an old CrazyGames-branded shell after we renamed the game. The culprit was an aggressive service-worker cache pinned to kawa-v2.

Fixes shipped

Cache key bumped to kawa-v3 and older caches are purged in activate.
A visible Clear cache & reload button on the unauthorized screen forces the service worker to unregister and reload.
Full offline support for the manifest, favicon, and hero background.

The site now behaves like a native app: installable, offline-capable, and always fresh.

#pwa#cache