feat(tactical-app): full sovereign military suite in Flutter with first-run onboarding, artillery ballistics, HLZ assessment, minefield breach, isochrone, symbols, and overlays

packages/tactical_app/lib/services/dem_tile_elevation_service.dart

@@ -1,6 +1,5 @@
 import 'dart:io';
 import 'dart:math' as math;
-import 'dart:typed_data';
 import 'dart:ui' as ui;
 import 'package:flutter/foundation.dart';
 import 'package:http/http.dart' as http;
@@ -183,4 +182,9 @@ class DemTileElevationService {
     }
     return JordanDemSurface.elevationAt(lat, lng);
   }
+
+  /// Standard alias for asynchronous elevation query
+  static Future<double> getElevation(double lat, double lng, {int zoom = 12}) {
+    return getElevationAsync(lat, lng, zoom: zoom);
+  }
 }