* feat(#369): rewrite channels tab with full backend integration
- Add state, error, gateway_running, description to model
- Add test endpoint to API service
- Rewrite ViewModel with toggle, restart, test actions
- Rewrite screen with state badges, restart banner, test button
- Fix string resources and E2E test
* fix(#417): add missing import and fix ButtonSize API
- Add MessagingPlatformTestResult import to HermesApiService.kt
- Replace ButtonDefaults.ButtonSize.SMALL with ButtonDefaults.SmallButtonSize (correct M3 API)
* fix(#417): mark platformStateStyle as @Composable, remove Button size param
- @Composable annotation needed for MaterialTheme.colorScheme access
- Button/OutlinedButton size parameter not available in project's M3 version
- ktlint removed unused ButtonDefaults import
---------
Co-authored-by: M57 <hy4ri@users.noreply.github.com>
