refactor: align market_events categories with driver types + event stars on chart
- database.py: idempotent migration — calendar→event_calendar, geopolitique→geopolitical,
macro events classified by name pattern (FOMC/CPI/BOJ/OPEC+→event_calendar,
NVIDIA→report, rest→fundamental)
- eco_calendar_bootstrap.py: calendar→event_calendar (75 events)
- macro_events_bootstrap.py: all 30 events now carry aligned category + sub_type
(FOMC×9, CPI×3, BOJ×3, OPEC+×2 → event_calendar ; war/geo×6 → geopolitical ;
ChatGPT/BTC/PBOC → fundamental ; NVIDIA×2 → report)
- InstrumentDashboard: replace EventTimelineStrip (horizontal bars below chart)
with EventStarsStrip (★ icons above chart, sized by impact_score, colored by category)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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