## Summary
- reorganize mobile settings around profile, appearance, and connection
cards
- add System/Light/Dark theme pairing, accent selection, and the Buzz
gradient theme
- align avatar badges, status editing, and supporting mobile chrome
## Test plan
- `just mobile-check`
- `just mobile-test`
## Summary
- Refine mobile navigation with icon-only tabs, haptics, a solid active
state, and spring quick actions.
- Bring Create channel and New message closer to desktop with radio
settings, keyboard submission, relay people, and wrapped recipient
chips.
- Keep both sheets draggable below the status area and prevent keyboard
overflow with many recipients.
## Testing
- `just mobile-check`
- `just mobile-test`
- Pixel 10 manual verification
