- Silver/bronze medals (not just gold) on route & segment leaderboards
- Colour HRV nightly-avg trend dots: orange unbalanced, red low
- Project segment-hover dot smoothly along the track line (interpolated)
- Show map and activity timeline side by side, half width each
- Show time spent in each HR zone next to the percentage
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>