- InstrumentChart: remove setMarkers arrowDown (level-colored)
Add DOM overlay div with ★ HTML characters positioned via timeToCoordinate +
priceToCoordinate(candle.high) - 52px; sized by impact_score; colored by category
Label (title, 22 chars) rendered above each star; redrawn on scroll/zoom via
subscribeVisibleLogicalRangeChange; cleaned up on unmount
ChartEvent interface: add category, impact_score, end_date, description
Header legend: replace ▼ LT/MT/CT with ★ category color legend
- InstrumentDashboard: remove EventStarsStrip (now internal to chart)
Remove unused dateToMs helper
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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