- New ConfluenceChart component renders daily price as area chart
- Overlays colored dot markers at each signal fire date (green=bull,
red=bear, amber=exit)
- Detects entry zones (2+ bull signals within 5 days) and exit zones
(2+ bear/exit signals) and shades them on the chart
- Custom tooltip shows price + which signals fired on hover
- Fetches candles and signal history in parallel on mount
- Placed between Slot Evidence and Reliability Scorecard sections
