Add complete WebRTC peer-to-peer file transfer functionality:
Backend changes:
- Add WebRTC signaling events to Socket.IO (offer, answer, ICE candidates)
- Implement authorization checks for match participants
- Add signaling relay between matched users
Frontend changes:
- Create useWebRTC hook for RTCPeerConnection management
- Implement RTCDataChannel with 16KB chunking for large files
- Add real-time progress monitoring for sender and receiver
- Implement automatic file download on receiver side
- Add connection state tracking and error handling
- Integrate WebRTC with MatchChatPage (replace mockup)
Configuration:
- Add Vite allowed hosts configuration via VITE_ALLOWED_HOSTS env var
- Support comma-separated host list or 'all' for development
- Add .env.example with configuration examples
- Update docker-compose.yml with default allowed hosts
Documentation:
- Add comprehensive WebRTC testing guide with troubleshooting
- Add quick test checklist for manual testing
- Document WebRTC flow, requirements, and success criteria
Features:
- End-to-end encrypted P2P transfer (DTLS)
- 16KB chunk size optimized for DataChannel
- Buffer management to prevent overflow
- Automatic connection establishment with 30s timeout
- Support for files of any size
- Real-time progress tracking
- Clean connection lifecycle management
- Docker Compose setup with nginx reverse proxy and frontend service
- React + Vite + Tailwind CSS configuration
- Complete mockup of all application views:
- Authentication (login/register)
- Events list and selection
- Event chat with matchmaking
- 1:1 private chat with WebRTC P2P video transfer mockup
- Partner rating system
- Collaboration history
- Mock data for users, events, messages, matches, and ratings
- All UI text and messages in English
- Project documentation (CONTEXT.md, TODO.md, README.md, QUICKSTART.md)
