logging for debug map-no-update-until-move after caching tiles

lib/widgets/map_view.dart

@@ -271,7 +271,11 @@ class _MapViewState extends State<MapView> {
             TileLayer(
               tileProvider: TileProviderWithCache(
                 onTileCacheUpdated: () {
-                  if (_debounceTileLayerUpdate != null) _debounceTileLayerUpdate!(() { if (mounted) setState(() {}); });
+                  print('[MapView] onTileCacheUpdated fired (tile loaded)');
+                  if (_debounceTileLayerUpdate != null) _debounceTileLayerUpdate!(() { 
+                    print('[MapView] Running debounced setState due to tile cache update');
+                    if (mounted) setState(() {}); 
+                  });
                 },
               ),
               urlTemplate: 'unused-{z}-{x}-{y}',

lib/widgets/tile_provider_with_cache.dart

@@ -42,6 +42,7 @@ class TileProviderWithCache extends TileProvider {
         _tileCache[key] = Uint8List.fromList(bytes);
         print('[TileProviderWithCache] Cached tile $key, bytes=${bytes.length}');
         if (onTileCacheUpdated != null) {
+          print('[TileProviderWithCache] Calling onTileCacheUpdated for $key');
           SchedulerBinding.instance.addPostFrameCallback((_) => onTileCacheUpdated!());
         }
       }