- Configurable room size with relay-enforced ceiling (MAX_PLAYERS_CEILING)
- Room config written to isle.ini via OPFS (same pattern as existing settings)
- Multiplayer extension disabled in INI for solo play (zero overhead)
- Hash-based routing (#r/name) consistent with existing isle.pizza navigation
- Three-word Lego Island-themed room names (brave-red-brick style)
- Collapsible in-game overlay
- Animation research: identified CNs###xx generic animations, click body flip,
disassemble/reassemble, and procedural flip; documented playback mechanisms
and which are portable to remote players
- Animations broadcast-only (not played on local player)
- String-based animation names in protocol (matches internal lookup)
- Room full: game exits, frontend shows error modal on reload
- Removed future layers reference
