- Add DesktopHttpClient and DesktopRelayConnectionManager for relay WebSocket connections
- Implement AccountManager with key generation and nsec/npub login support
- Create LoginScreen with key import and new key generation UI
- Build FeedScreen with live global feed subscription and note cards
- Add ProfileScreen showing account info and logout
- Update RelaySettingsScreen with connection status and relay management
- Configure JDK 21 toolchain for desktop builds
- Add shared UI analysis documentation
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
nrobi144