Complete Android app (Kotlin/Jetpack Compose) with:
- SMS parser for all 17 M-Pesa transaction types
- Room database with auto-categorization engine
- Real-time SMS capture via BroadcastReceiver
- Onboarding flow with SMS history import
- Home dashboard with balance, spending, donut chart
- Transactions list with search, filters, day grouping
- Trends screen with Vico bar charts, top merchants
- Budget system with progress tracking
- Transaction detail sheet with re-categorization
- Notifications (daily/weekly summaries, budget alerts)
- Google Drive backup & restore
- Manual export/import (CSV + JSON ZIP)
- Self-update system via GitHub Releases API
- Theme system (System/Light/Dark) + font scaling
- Adaptive app icon with splash screen
- GitHub Actions CI/CD for release APK builds
