offline options globally toggleable

lib/services/changelog_service.dart

@@ -241,7 +241,12 @@ class ChangelogService {
       versionsNeedingMigration.add('2.10.0');
     }
     
+    if (needsMigration(lastSeenVersion, currentVersion, '2.10.5')) {
+      versionsNeedingMigration.add('2.10.5');
+    }
+    
     // Future versions can be added here
+
     // if (needsMigration(lastSeenVersion, currentVersion, '2.0.0')) {
     //   versionsNeedingMigration.add('2.0.0');
     // }

lib/services/node_data_manager.dart

@@ -390,8 +390,13 @@ class NodeDataManager extends ChangeNotifier {
 
   /// Load all offline nodes into cache (call at app startup)
   Future<void> preloadOfflineNodes() async {
+    // Skip entirely when the user has disabled offline features — this call
+    // isn't gated by OfflineAreaService.hasOfflineAreasForProvider*() since
+    // it fetches directly via fetchLocalNodes, so we guard it explicitly.
+    if (!AppState.instance.offlineFeaturesEnabled) return;
     try {
       final offlineAreaService = OfflineAreaService();
+
       
       for (final area in offlineAreaService.offlineAreas) {
         if (area.status != OfflineAreaStatus.complete) continue;

lib/services/offline_area_service.dart

@@ -29,7 +29,13 @@ class OfflineAreaService {
   /// Fast check: do we have any completed offline areas for a specific provider/type?
   /// This allows smart cache routing without expensive filesystem searches.
   /// Safe to call before initialization - returns false if not yet initialized.
+  ///
+  /// Returns false immediately if the user has disabled offline features via
+  /// the master "Enable Offline Features" toggle, regardless of whether area
+  /// data still exists on disk — this fully gates the offline-first tile
+  /// pipeline without needing to touch fetchLocalTile/fetchLocalNodes.
   bool hasOfflineAreasForProvider(String providerId, String tileTypeId) {
+    if (!AppState.instance.offlineFeaturesEnabled) return false;
     if (!_initialized) {
       return false; // No offline areas loaded yet
     }
@@ -44,7 +50,11 @@ class OfflineAreaService {
   /// Like [hasOfflineAreasForProvider] but also checks that at least one area
   /// covers the given [zoom] level.  Used by [DeflockTileProvider] to skip the
   /// offline-first path for tiles that will never be found locally.
+  ///
+  /// Also returns false immediately when offline features are disabled (see
+  /// [hasOfflineAreasForProvider] for rationale).
   bool hasOfflineAreasForProviderAtZoom(String providerId, String tileTypeId, int zoom) {
+    if (!AppState.instance.offlineFeaturesEnabled) return false;
     if (!_initialized) return false;
     return _areas.any((area) =>
       area.status == OfflineAreaStatus.complete &&
@@ -54,6 +64,7 @@ class OfflineAreaService {
       zoom <= area.maxZoom
     );
   }
+
   
   /// Reset service state and inject areas for unit tests.
   @visibleForTesting