feat: teeth tracker, feeding analysis, sidebar groups, timeline polish
Features:
- Teeth tracker: Tooth model + migration, API routes (GET/POST upsert/DELETE),
page at /teeth with 20-tooth grid, progress bar, inline mark/unmark flow
- Dashboard feeding analysis: avg interval + last feed + next expected time widget
- Fix dashboard baby?.name crash (selectedBaby?.name)
UI/UX:
- Sidebar: grouped into Suivi / Santé / Vie du bébé / Outils sections
- Nav: active highlight works on child routes (startsWith)
- Timeline: filter chips sticky on mobile; skeleton cards replace spinner
- Stats: 500-event limit warning banner
- Medications: 3 states — "Dans Xh" (orange), "Disponible" (green), "En retard de Xh" (amber)
- Notes: skip auto-save on empty/whitespace blur
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
arnaudne
cd3efa98fc