v1.2.0 — Phase 2: Riverpod providers wired up
- settings_provider: AppSettings (ecuType, pollingInterval) StateNotifier
- bt_provider: BtNotifier (disconnected/connecting/connected/error states),
btServiceProvider singleton, pairedDevicesProvider FutureProvider,
internal frameStream piped through StreamController
- sensor_provider: sensorStateProvider StreamProvider (auto S300/KPro),
latestSensorProvider convenience Provider
- theme_provider: AppThemeVariant (red/green × dark/light) StateNotifier
- main.dart: fully Riverpod — ProviderScope, ConsumerWidget throughout,
no setState for BT state, providers own all lifecycle
6a80d8fc1f