Adds the Katan screen on top of the WALA-119 engine, built in separable layers
so the look, wording, layout and interaction can each be changed alone:
- CatanStyle: every colour and proportion (light/dark), via LocalCatanStyle
- CatanText: every word on screen (pure functions of state)
- CatanGeometry: lattice -> pixels and tap hit-testing (pure, unit-tested)
- CatanInteraction: what is tappable and what a tap means, derived only from the
engine's legal-move list (pure, unit-tested)
- CatanBoardView / CatanPanels / CatanDialogs: stateless composables
- CatanScreen: wiring to MatchController, portrait and landscape layouts
- CatanPreviews: Android Studio previews of real positions
- docs/UI-catan.md: how to adapt each layer, rules of the road, known gaps
Wiring: PlayScreen branch, GameSetupScreen options (3-4 players, game to
5/8/10/12), and a GameDescriptor.devPreview flag so dev builds can open Katan
while production still hides it until two-device play is verified.
Tests: CatanGeometryTest, CatanInteractionTest, CatanTextTest, CatalogTest.
Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01JdMNbY5hLR7FjtfEE712xG
