The profile card's "Your best scores" panel was a hardcoded placeholder
(`#v3-profile-bests` was never filled), so it always read "Play a song to
start tracking..." regardless of how many songs had been scored. The
backend already records best_score/best_accuracy per song; only this
panel was left unwired.
- server.py: add MetadataDB.top_stats(limit) (per-song aggregate, best
score first, scored songs only, dead songs skipped) + /api/stats/top
route that enriches rows with title/artist/art, mirroring
/api/stats/recent. Declared before the /api/stats/{filename} catch-all.
- static/v3/profile.js: renderBests() fetches /api/stats/top and fills the
panel (rank, title/artist, best accuracy %, score; click to play),
keeping the placeholder only when nothing's been scored.
- tests: cover ordering, per-song aggregation, limit, and
resume-only/dead-song exclusion.
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
