Add bunny app install icon, offline reuse, and in-scene reskin controls

[Copilot]

The Enchanted Forest Bunny page did not expose iOS web-app install metadata, did not proactively enable offline reuse from the app entrypoint, and had no built-in way to switch between visual variants. This updates the bunny app to behave more like a standalone installable mini-app and adds a compact in-scene reskin control for bunny/environment variants.

• iOS / standalone app metadata

  • Added Apple web-app meta tags to the bunny page:
    • apple-mobile-web-app-capable
    • apple-mobile-web-app-status-bar-style
    • apple-mobile-web-app-title
    • theme-color
  • Added a dedicated bunny touch icon and linked it via apple-touch-icon

• Offline reuse from the bunny page

  • Registered the root service worker from apps/enchanted-bunny/
  • Requested the shared offline-manifest.json from the bunny app so its assets are cached without requiring a trip through the landing page
  • Extended offline manifest generation to include .png assets so the new app icon is shipped in the offline bundle

• Reskin action button

  • Added a top-right action button that cycles through scene variants in-place
  • Introduced four skins:
    • Golden Burrow
    • Moonlit Hare
    • Rose Meadow
    • Snowcap Bunny
  • Persisted the selected skin in localStorage
  • Added keyboard support for cycling variants with arrow keys
  • Added aria-live updates so the active scene change is announced

• Navigation / regression coverage

  • Added the bunny page to the shared Home-button navigation regression coverage
  • Added a focused Playwright spec for:
    • install metadata
    • service worker registration
    • reskin button behavior
    • persisted skin selection

Example of the new standalone install metadata and asset hook:

<meta name="theme-color" content="#203127">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="Forest Bunny">
<link rel="apple-touch-icon" href="apple-touch-icon.png">

Golden skin

Moonlit skin

Original prompt

Bunny app: add icon when saving as a web app on ios, also save assets for offline reuse; add re-skins for the bunny and surroundings (experiment witn types of bunnies and butterflies etc) make those reskins accessible as an action button game ui esthetics- see your creations with playwright and adjust accordingly

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