Remove unused multiplayer protocol types, script/wasmBinary/capabilities fields,
and onNearItem trigger. Implement portal requiresKey gate, fix onDayNight and
onTouch triggers to fire for all inventory items, and add gold-based trading
economy with NPC kill rewards and merchant purchasing.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Major systems added to ManaVoxel:
- Behavior runtime: EventBus + 10 triggers + 11 action executors
- Item persistence: save/load items, inventory, area pixels to IndexedDB
- NPC system: 4 types (hostile/passive/merchant/guard), patrol/chase/attack AI
- Lighting: darkness overlay with emissive material light sources
- Day/night cycle: time-based ambient lighting on streets
- Sound system: 8 synthesized Web Audio API presets
- Sprite animation: multi-frame support in editor with play/stop
- Dialog system: NPC interaction with text bubbles and options
- Item properties: range, speed, durability, element all functional
- Health endpoint for Docker, durability bar in inventory UI
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>