BUILD_RTI=OFF: 1902/1902 Targets erfolgreich, DDS-Stubs vervollständigt

Neue Stub-Header für BUILD_RTI=OFF Konfiguration:
- include/DDS/Generic/generic_base.h: Topic-Name-Templates, Helper-Funktionen
- include/DDS/Generic/generic_logger.h: Logger-Wrapper mit DataType-Enum
- include/DDS/Generic/ddsgen_export.h: Export-Makros (leer für OFF)
- include/DDS/Generic/generic_data_reader.h: Data Reader Template-Stub
- include/DDS/DTC/generic_dtc.h: Minimale DDS-Typen für DTC
- include/LtsUtils/LtsUtilsCore/data_modification_enum.h: DataModification Enum
- include/FileManagement/flm_dtc_impl.h: Virtuelle Methoden für Name-Helper
- include/OperatorManagement/opm_dtc_impl.h: DtcImpl ohne Q_OBJECT

Wichtige Änderungen:
- QObject-Basisklasse entfernt für DatabaseInterfaceImpl und DtcImpl (BUILD_RTI=OFF)
- Logger-Stub verwendet Qt-Logging (qDebug/qWarning/qCritical)
- FileStatus als int-Alias statt enum class für BUILD_RTI=OFF
- CMake: DDS-Bibliotheken als leere INTERFACE-Targets für BUILD_RTI=OFF
- std::optional: is_set() → has_value(), get() → value()
- QList → std::vector Konversionen korrigiert
- qAsConst-Fehler mit rvalue expressions behoben

Build-Status: 1902/1902 Targets erfolgreich (BUILD_RTI=OFF)
Tests: Nicht ausführbar ohne RTI Connext DDS (BUILD_RTI=ON erforderlich)

qt6-after/qt6-migrated-legatus/include/DDS/Generic/generic_base.h

@@ -0,0 +1,51 @@
+#pragma once
+
+// Stub header for BUILD_RTI=OFF
+// Original generic_base.h uses RTI Connext DDS types
+
+#include <string>
+#include <ddsgen_export.h>
+
+// Forward declarations for Qt types used in getMethod
+class QObject;
+class QMetaMethod;
+
+// Forward declaration for NGL logger
+namespace NGL {
+class INGLLogger;
+}
+
+namespace DDS
+{
+
+// Template for topic type name - returns empty string for BUILD_RTI=OFF
+template<typename T>
+struct topic_type_name {
+    static std::string value() {
+        return "";
+    }
+};
+
+namespace Helper
+{
+// Stub implementations for BUILD_RTI=OFF
+DDSGEN_EXPORT inline std::string getFunctionTopicName(const std::string &fqName) {
+    return fqName;
+}
+
+DDSGEN_EXPORT inline std::string getShortTopicName(const std::string &fqName) {
+    return fqName;
+}
+
+// Stub for getMethod - returns default-constructed QMetaMethod
+DDSGEN_EXPORT inline QMetaMethod getMethod(NGL::INGLLogger &logger,
+                                           QObject *objectToInform,
+                                           const char *slotToExecute,
+                                           const char *signalSignature,
+                                           bool bWarnOnEmptySlot = true) {
+    // Stub implementation - returns default QMetaMethod
+    return QMetaMethod();
+}
+}
+
+} // namespace DDS