# 라이브 데이터 수집 모드
Exchange(WebSocket) → Service(Processing) → Repository(Storage)
↓ ↓
Binance API Multi-Level Cache + PostgreSQL
↓ ↓
Paper Trading Engine
# 데스크톱 앱 모드
Next.js Frontend → Tauri Commands → Trading Common Library
↓
┌─────────────────────┴─────────────────────┐
↓ ↓
Backtest Engine + Strategies Repository + Database