diff --git a/apps/app_seeds/lib/di/injector.dart b/apps/app_seeds/lib/di/injector.dart
index 2cffc8d..4d45472 100644
--- a/apps/app_seeds/lib/di/injector.dart
+++ b/apps/app_seeds/lib/di/injector.dart
@@ -41,7 +41,14 @@ final GetIt getIt = GetIt.instance;
 
 /// Wires the encrypted DB, keystore and repositories. Call once from `main`
 /// before `runApp`; the DB key must exist before the DB opens.
+///
+/// Idempotent: a hot restart (or an Android Activity restart that keeps the
+/// isolate) re-runs `main` while GetIt still holds the singletons. Without this
+/// guard the re-registration throws, `main` aborts before rebuilding `TaneApp`
+/// with the social layer, and the app falls back to the "inventory only" look.
 Future<void> configureDependencies() async {
+  if (getIt.isRegistered<SocialService>()) return;
+
   final secretStore = FlutterSecretStore();
   final keyStore = SecureKeyStore(store: secretStore);
   final dbKeyHex = await keyStore.databaseKeyHex();