paris-roubaix-challenge-2026

fix: 8 packs Beta Fuel, mix on spot at ravitos

fix: sector times, nutrition drill-down, index redirect restored

fix: remove duplicate difficulty blocks, restore wind overlay

chore: conservative pacing 23.3 km/h, 158W avg (IF 0.55)

feat: official PRC colors, power per sector, DEM elevation, all 19 sectors