- Convert demo page from static server component to interactive client
component with live data fetching and graceful static fallbacks
- Add /api/trips/by-slug/[slug] for slug-based trip lookup
- Add /api/trips/[id]/packing/[itemId] PATCH for toggling packed status
- Add proxy routes for rNotes, rVote, rCart (server-side, no CORS needed)
- Add demo trip seed script (prisma/seed-demo.ts)
- Packing checkboxes are now interactive with optimistic updates
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
