- scaffold Vite + React + TypeScript frontend with Chakra UI and React Flow
- implement AgentGraph, MetricHeader, and Dashboard components
- connect FastAPI to live LangGraph events via astream_events
- implement real-time event mapping for 'scan' and 'pipeline'
- refactor run storage for shared access between REST and WebSockets
- implement FastAPI backend with REST and WebSocket streaming
- add node-level metrics (tokens, latency) to event protocol
- design literal graph and top 3 metrics (Sharpe, Regime, Drawdown)
- scaffold React frontend with Chakra UI and useAgentStream hook
- add DESIGN.md and .env.example