- Web Push API for offline device notifications
- Custom service worker with push event handling
- Local notifications for background tab transfers
- VAPID keys in K8s config
- Persistent deviceId per device
- Users set their own device name and optional profile photo
- Profile persisted in localStorage, no account needed
- Auto-detect device type from user agent
- Server validates client-provided profile defensively
- PeerAvatar shows photo or device icon
- ProfileSetup modal on first visit, editable from header
- Users set their own device name and optional profile picture
- Profile persisted in localStorage (no account needed)
- Auto-detect device type from user agent (iPhone, Mac, Android...)
- Server uses client-provided profile instead of generating names
- PeerAvatar shows photo or device icon instead of animal emojis
- ProfileSetup modal on first visit + editable from header
