- Chat: tap any image to open fullscreen InteractiveViewer (pinch/zoom)
- Rooms: public room browser (Find rooms FAB + empty state button)
searches Matrix room directory via queryPublicRooms, join from results
- Rooms: empty state now shows 'Find rooms' button to onboard new users
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
