test(ensemble): cover ensemble.storage.clear dispatch key selection

modules/ensemble/lib/framework/data_context.dart

@@ -739,6 +739,13 @@ class RemoteConfigInvokable with Invokable {
   Map<String, Function> setters() => {};
 }
 
+/// Keys for which `ensemble.storage.clear()` dispatches a [StorageBindingSource]
+/// update after entries are removed from public storage (all keys except the
+/// `enc_` encrypted prefix).
+@visibleForTesting
+List<String> ensembleStorageClearDispatchKeys(Iterable<String> allKeys) =>
+    allKeys.where((key) => !key.startsWith('enc_')).toList();
+
 /// Singleton handling user storage
 class EnsembleStorage with Invokable {
   static final EnsembleStorage _instance = EnsembleStorage._internal();
@@ -791,10 +798,8 @@ class EnsembleStorage with Invokable {
   }
 
   void clear() {
-    final keys = StorageManager()
-        .getKeys()
-        .where((key) => !key.startsWith('enc_'))
-        .toList();
+    final keys =
+        ensembleStorageClearDispatchKeys(StorageManager().getKeys());
     StorageManager().clearPublicStorage();
     for (final key in keys) {
       ScreenController().dispatchStorageChanges(context, key, null);

modules/ensemble/test/ensemble_storage_clear_test.dart

@@ -0,0 +1,25 @@
+import 'package:ensemble/framework/data_context.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('ensembleStorageClearDispatchKeys', () {
+    test('excludes enc_ prefix and preserves order of remaining keys', () {
+      expect(
+        ensembleStorageClearDispatchKeys(
+            ['session', 'enc_token', 'theme', 'enc_other']),
+        ['session', 'theme'],
+      );
+    });
+
+    test('treats only the enc_ prefix as encrypted storage namespace', () {
+      expect(
+        ensembleStorageClearDispatchKeys(['enc_legacy', 'enc2', 'normal']),
+        ['enc2', 'normal'],
+      );
+    });
+
+    test('empty input yields empty list', () {
+      expect(ensembleStorageClearDispatchKeys([]), isEmpty);
+    });
+  });
+}