remove dummy data, improve training , follow architecture

tests/test_enhanced_dashboard_integration.py

@@ -33,7 +33,7 @@ logger = logging.getLogger(__name__)
 from core.config import get_config
 from core.data_provider import DataProvider
 from core.enhanced_orchestrator import EnhancedTradingOrchestrator
-from core.unified_data_stream import UnifiedDataStream
+from core.universal_data_adapter import UniversalDataAdapter, UniversalDataStream
 from web.old_archived.scalping_dashboard import RealTimeScalpingDashboard
 
 class EnhancedDashboardIntegrationTest: