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TradingCore/core/TradingCore.h

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+#ifndef TRADING_CORE_H
+#define TRADING_CORE_H
+
+#include <QObject>
+#include "../data_processing/DataBuffer.h"
+#include "../data_processing/DataQualityValidator.h"
+#include "../data_processing/OrderProcessor.h"
+#include "../data_processing/BigOrderManager.h"
+#include "../network_communication/FaultToleranceManager.h"
+#include "../network_communication/SubscriptionManager.h"
+#include "../configuration/ConfigurationManager.h"
+#include "../configuration/LogManager.h"
+#include "../utilities/EventBus.h"
+
+class TradingCore : public QObject
+{
+    Q_OBJECT
+public:
+    static TradingCore* instance();
+    
+    // Core service access
+    SubscriptionManager* subscriptionManager();
+    OrderProcessor* orderProcessor();
+    BigOrderManager* bigOrderManager();
+    LogManager* logManager();
+    EventBus* eventBus();
+    
+    // New system component access
+    DataBuffer* dataBuffer();
+    DataQualityValidator* dataQuality();
+    FaultToleranceManager* faultTolerance();
+    ConfigurationManager* configManager();
+    
+    // System control
+    void initialize();
+    void shutdown();
+    
+    // System status
+    bool isInitialized() const { return m_initialized; }
+    QString getSystemStatus() const;
+    
+signals:
+    void systemInitialized();
+    void systemShutdown();
+    void errorOccurred(const QString& error);
+
+private:
+    explicit TradingCore(QObject *parent = nullptr);
+    ~TradingCore();
+    
+    bool m_initialized = false;
+    
+    SubscriptionManager* m_subscriptionManager = nullptr;
+    OrderProcessor* m_orderProcessor = nullptr;
+    BigOrderManager* m_bigOrderManager = nullptr;
+    LogManager* m_logManager = nullptr;
+    EventBus* m_eventBus = nullptr;
+    
+    // New system components
+    DataBuffer* m_dataBuffer = nullptr;
+    DataQualityValidator* m_dataQuality = nullptr;
+    FaultToleranceManager* m_faultTolerance = nullptr;
+    ConfigurationManager* m_configManager = nullptr;
+};
+
+#endif // TRADING_CORE_H