- Replace default purple Material 3 theme with logo-derived palette
(crimson red primary, dark charcoal surfaces, golden accent)
- Add Instrument Serif + Inter fonts for custom typography scale
- Add first-launch onboarding flow (API key + server URL, permissions)
- Restructure navigation: 2-tab bottom nav (Home + Settings), logs
via top bar icon, permission status indicators in top bar
- Redesign HomeScreen as chat-style interface with goal/step bubbles,
auto-scroll, bottom input bar with send/stop buttons
- Redesign SettingsScreen with Server → Connection → Permissions sections
- Redesign LogsScreen with goal banner, step badges, timestamps
- Replace default Android icon with DroidClaw logo at all densities
- Add hasOnboarded DataStore flag with auto-connect on completion
- Fix logs navigation not clearing when switching bottom tabs
