…ation

- Add HTTP/HTTPS auto-detection based on certificate availability
- Make certificate path configurable via CERT_PATH environment variable
- Add development and production npm scripts for sync server
- Update README with complete setup instructions for local development
- Add Raspberry Pi deployment guide for local network demos
- Fix svelte-chat to use VITE_AUTOMERGE_URL environment variable
- Add client configuration documentation for both React and Svelte
- Support any certificate provider (Let's Encrypt, commercial CAs, self-signed)

…ge features

…t capture

Replace simple likes with Slack-style reaction system featuring:
- Multiple emoji reactions per message with user lists
- Smart positioning with Floating UI collision detection
- 3x3 popular reactions grid with search functionality
- Intelligent keyboard navigation for grid layout
- Global key capture routing input to reaction search or chat based on context
- Migration from old likes system to heart reactions

- Add 100+ new emoji across faces, gestures, objects, activities, and food categories
- Fix ReactionPicker emoji name display showing proper :name: instead of :🎉:
- Improve grid layout with proper 3-column structure and responsive sizing
- Add text wrapping and truncation for long emoji names to prevent overlapping
- Increase picker width and adjust spacing for better readability

…Vite dev server

- Add detailed piradio.local setup instructions with step-by-step Pi configuration
- Include system setup, hostname config, environment variables, and service management
- Add PM2 and systemd service configurations for production deployment
- Configure Vite dev server to reuse sync-server SSL certificates
- Add certificate path detection and fallback logic matching sync-server behavior
- Include firewall configuration, troubleshooting, and performance optimization tips

Update default certificate path from dweb.feathers.cloud to dweb.feathers.dev
to match actual Let's Encrypt certificate location. This fixes SSL protocol
errors where server was falling back to HTTP mode due to missing certificates.

…dling

- Increase input font size from 0.875rem to 1rem to prevent mobile zoom
- Update both chat input and reaction picker search input
- Replace problematic 100vh with 100dvh for dynamic viewport height
- Add fallback to 100vh for older browser compatibility
- Eliminates extra scrollable space below input area on mobile devices