petitspas/frontend/lib/services/api/cards_stream_connector_stub.dart

import 'dart:async';

/// Connecteur SSE — stub (tests / plateformes sans impl).
class CardsStreamConnector {
  Future<void> connect({
    required String url,
    String? bearerToken,
    required void Function(String eventType, String data) onEvent,
    required void Function(Object error) onError,
  }) async {}

  void close() {}
}