- AreaManager: load/unload areas, portal detection, fade transitions,
floor switching for multi-story interiors
- Demo street (10cm): cobblestone road, brick/wood buildings, trees, torches
- Demo interior (5cm): 2-floor house with table, fireplace, bed, windows
- TilemapRenderer: dynamic tileSize per resolution, clear(), setWorldSize()
- Game engine: E key for doors, F key for stairs, area name + floor in HUD
- Fade overlay for smooth area transitions
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>