## ESP32 Companion Hardware
- ESP32-S3 + 4.3" capacitive touch display
- Real-time WiFi synchronization
- Spell crafting interface
- Audio feedback system
- Firmware OTA updates

## Live Sync System
- Game ↔ Device communication API
- Real-time glyph slot mirroring
- Spell activation trigger support

## Hardware Expansion Model
- Downloadable fragment packs
- Collectible physical glyph overlays
- Future device skins / limited editions

## Milestone
- Functional Companion Prototype