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DB: - New table macro_gauge_snapshots (daily snapshot of all 28+ gauges + dominant + scores) - save_macro_gauge_snapshot / get_macro_gauge_snapshot_at / get_macro_gauge_history - Auto-save once per calendar day on every macro-regime fetch (not just force=True) API: - GET /api/market/macro-gauges/at?date=YYYY-MM-DD — nearest snapshot ≤ date - GET /api/market/macro-gauges/history?days=N Detector (_check_macro_gauges in Eco Desk): - Regime transition events (goldilocks→stagflation etc.) with severity scoring - Yield curve inversion / désinversion (slope_10y3m sign change) - DXY shock (% change over lookback window) - Credit stress (HYG drop threshold) - Gold/Copper ratio regime crossings InstrumentDashboard: - macroAtDate state: fetches /api/market/macro-gauges/at when crosshair date ≠ last date - RegimeCard uses historical macro regime when on a past date - MacroGaugePanel: full breakdown of all gauges by bloc (liquidité, crédit, énergie...) visible only when on a historical date — shows value + change_pct + regime scores bar AIDesks: added fundamental + sentiment to AIDesk type Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>