Scan UI (/scan):
- Leg builder with player autocomplete, stat/line/direction/book
- 2-12 legs, add/remove
- Calls POST /api/scan/parlay, displays grade results
- Color-coded grades (A/B/C/D), correlation flags, kill conditions
- Scan counter, upgrade pitch modal at limit
- New Scan / Save actions
Bet Tracker (/tracker):
- Performance cards: ROI, Win Rate, Bets with period toggle
- Quick Slip form for fast bet entry
- Bet history with status/book filters
- Inline settle modal (won/lost/push/void)
- Profit display on settled bets
Shared API client library (lib/api.ts).
Build clean: 9 static pages generated.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>