Merge remote boxing module (one2one, one2many, many2one modes) with
local sound and vibration feedback feature. Migrate SharedPreferences
to AppConfigService across all services including SoundService.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add BoxInfoResult/BoxSaveResult data classes and API methods to ApiService
- Create BoxingPage with mode switching, auto-fill rules, duplicate detection
- Create BoxingDetailPage for read-only box detail view
- Activate boxing module in HomePage navigation
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
