diff --git a/gui/ollie9pclient.h b/gui/ollie9pclient.h
index b028804..51f8eb6 100644
--- a/gui/ollie9pclient.h
+++ b/gui/ollie9pclient.h
@@ -27,6 +27,7 @@ class Ollie9pClient : public QObject
     Q_PROPERTY(bool rootAgentsLoaded READ rootAgentsLoaded NOTIFY rootAgentsLoadedChanged)
     Q_PROPERTY(QStringList availableAgents READ availableAgents NOTIFY availableAgentsChanged)
     Q_PROPERTY(bool rootModelsLoaded READ rootModelsLoaded NOTIFY rootModelsLoadedChanged)
+    Q_PROPERTY(QString currentBackend READ currentBackend WRITE setCurrentBackend NOTIFY currentBackendChanged)
 
 public:
     explicit Ollie9pClient(QObject *parent = nullptr);
@@ -43,6 +44,12 @@ public:
     bool rootAgentsLoaded() const { return m_rootAgentsLoaded; }
     QStringList availableAgents() const { return m_availableAgents; }
     bool rootModelsLoaded() const { return m_rootModelsLoaded; }
+    QString currentBackend() const { return m_currentBackend; }
+    Q_INVOKABLE void setCurrentBackend(const QString &backend) {
+        if (m_currentBackend == backend) return;
+        m_currentBackend = backend;
+        emit currentBackendChanged();
+    }
 
     Q_INVOKABLE void refreshSessions();
     Q_INVOKABLE QString readLog();
@@ -71,6 +78,7 @@ signals:
     void rootAgentsLoadedChanged();
     void availableAgentsChanged();
     void rootModelsLoadedChanged();
+    void currentBackendChanged();
 
 private slots:
     void onChatReadyRead();