feat: merge health feature and add measure command

- Add REQUEST_HEART_RATE command with measure button in health screen
  - Add ref.mounted checks and fix early return in measure()
  - Remove unused SET_LANGUAGE from DeviceCommand enum

modules/legacy/modules/device_management/lib/src/features/health/presentation/health_screen.dart

@@ -56,14 +56,14 @@ class _HealthScreenState extends ConsumerState<HealthScreen>
     final state = ref.watch(healthViewModelProvider);
     final vm = ref.read(healthViewModelProvider.notifier);
 
-    ref.listen(
-      healthViewModelProvider.select((s) => s.errorMessage),
-      (previous, next) {
-        if (next.isNotEmpty) {
-          showTopSnackbar(context, message: next, type: MessageType.error);
-        }
-      },
-    );
+    ref.listen(healthViewModelProvider.select((s) => s.errorMessage), (
+      previous,
+      next,
+    ) {
+      if (next.isNotEmpty) {
+        showTopSnackbar(context, message: next, type: MessageType.error);
+      }
+    });
 
     return LegacyPageLayout(
       theme: theme,
@@ -130,6 +130,29 @@ class _HealthScreenState extends ConsumerState<HealthScreen>
                 ),
               ],
             ),
+      footer: _SaveSection(),
+    );
+  }
+}
+
+class _SaveSection extends ConsumerWidget {
+  const _SaveSection();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final theme = ref.read(themePortProvider);
+
+    final vm = ref.read(healthViewModelProvider.notifier);
+
+    return Padding(
+      padding: EdgeInsets.symmetric(horizontal: 24, vertical: 10),
+      child: PrimaryButton(
+        onPressed: () async {
+          await vm.measure();
+        },
+        text: context.translate(I18n.measure),
+        color: theme.getColorFor(ThemeCode.legacyPrimary),
+      ),
     );
   }
 }

modules/legacy/modules/device_management/lib/src/features/health/presentation/state/health_view_model.dart

@@ -14,12 +14,14 @@ final healthViewModelProvider =
 
 class HealthViewModel extends Notifier<HealthViewState> {
   late final HealthRepository _repository;
+  late final CommandsRepository _commandsRepository;
 
   static const int _historyPageSize = 20;
 
   @override
   HealthViewState build() {
     _repository = ref.read(healthRepositoryProvider);
+    _commandsRepository = ref.read(commandsRepositoryProvider);
     _init();
     return const HealthViewState();
   }
@@ -247,4 +249,29 @@ class HealthViewModel extends Notifier<HealthViewState> {
     final msg = e.toString();
     return msg.startsWith('Exception: ') ? msg.substring(11) : msg;
   }
+
+  Future<void> measure() async {
+    final device = ref.read(selectedDeviceProvider);
+    if (device == null) return;
+
+    try {
+      state = state.copyWith(isLoading: true);
+
+      final request = SendCommandRequestModel(
+        device: device.identificator,
+        command: DeviceCommand.requestHeartRate,
+      );
+
+      await _commandsRepository.send(request: request);
+      if (!ref.mounted) return;
+
+      state = state.copyWith(isLoading: false);
+    } catch (e) {
+      if (!ref.mounted) return;
+      state = state.copyWith(
+        isLoading: false,
+        errorMessage: _formatError(e),
+      );
+    }
+  }
 }

modules/legacy/packages/legacy_shared/lib/src/data/models/send_command_request_model.dart

@@ -12,12 +12,12 @@ enum DeviceCommand {
   findDevice,
   @JsonValue('REQUEST_PHOTO')
   requestPhoto,
+  @JsonValue('REQUEST_HEART_RATE')
+  requestHeartRate,
   @JsonValue('RESTART')
   restart,
   @JsonValue('REWARDS')
   rewards,
-  @JsonValue('SET_LANGUAGE')
-  setLanguage,
   @JsonValue('SHUTDOWN')
   shutdown,
   @JsonValue('SET_SOUND_MODE')

modules/legacy/packages/legacy_shared/lib/src/data/models/send_command_request_model.g.dart

@@ -27,9 +27,9 @@ const _$DeviceCommandEnumMap = {
   DeviceCommand.factory: 'FACTORY',
   DeviceCommand.findDevice: 'FIND_DEVICE',
   DeviceCommand.requestPhoto: 'REQUEST_PHOTO',
+  DeviceCommand.requestHeartRate: 'REQUEST_HEART_RATE',
   DeviceCommand.restart: 'RESTART',
   DeviceCommand.rewards: 'REWARDS',
-  DeviceCommand.setLanguage: 'SET_LANGUAGE',
   DeviceCommand.shutdown: 'SHUTDOWN',
   DeviceCommand.setSoundMode: 'SET_SOUND_MODE',
 };