feat: introduce routing status tracking for approved roads and telemetry batch queue limits

apps/siro_maps/lib/logic/cubits/navigation/navigation_cubit.dart

@@ -67,8 +67,7 @@ class NavigationCubit extends Cubit<NavigationState> {
     CarPlatformBridge.ensureInitialized();
     await ttsService.init();
 
-    // Initialize 3-second telemetry tracking & 2-minute batch uploads
-    TelemetryTrackingService.instance.initialize();
+    // The tracking session begins only once the user starts navigation.
     TelemetryTrackingService.instance.checkPeriodicUpdates();
 
     // Load saved vehicle & search preferences
@@ -289,16 +288,6 @@ class NavigationCubit extends Cubit<NavigationState> {
       _startMovementInterpolation(newLoc, heading);
     }
 
-    // Continuous 3-second telemetry sampling with stationary filtering and 2-minute batching
-    TelemetryTrackingService.instance.recordPosition(
-      latitude: newLoc.latitude,
-      longitude: newLoc.longitude,
-      speedKmH: speedKmH,
-      heading: heading,
-      elevation: alt,
-      remainingDistance: state.remainingDistance,
-    );
-
     // Proactively move camera on first acquired GPS lock (only when style is loaded)
     if (!_hasInitiallyCenteredCamera && mapController != null && _isMapStyleLoaded) {
       _hasInitiallyCenteredCamera = true;
@@ -310,6 +299,15 @@ class NavigationCubit extends Cubit<NavigationState> {
     }
 
     if (state.isNavigating) {
+      // Navigation-only telemetry: sampled every 3 seconds and sent as a batch every 2 minutes.
+      TelemetryTrackingService.instance.recordPosition(
+        latitude: newLoc.latitude,
+        longitude: newLoc.longitude,
+        speedKmH: speedKmH,
+        heading: heading,
+        elevation: alt,
+        remainingDistance: state.remainingDistance,
+      );
       _processActiveNavigationTick(newLoc, speedKmH, heading);
     }
   }
@@ -718,6 +716,7 @@ class NavigationCubit extends Cubit<NavigationState> {
       return;
     }
     final route = state.currentRoute!;
+    TelemetryTrackingService.instance.initialize();
     final steps = route.steps;
     print("🧭 [NavigationCubit] Starting navigation along route: ${route.formattedDistance}, ETA ${route.formattedDuration}, ${steps.length} steps");
 
@@ -774,7 +773,8 @@ class NavigationCubit extends Cubit<NavigationState> {
 
   void stopNavigation() {
     print("🛑 [NavigationCubit] stopNavigation triggered.");
-    TelemetryTrackingService.instance.flush(repository: repository);
+    // Stop the two-minute timer and send the final in-memory batch.
+    TelemetryTrackingService.instance.dispose(repository: repository);
     _movementInterpolationTimer?.cancel();
     _movementInterpolationTimer = null;
     ttsService.stop();