Merge feature/qt6-migration-basis-modules-services into feature/qt6-migration-basis-modules

Resolves 17 conflicts against legacy Qt5 semantics; validates with BUILD_RTI=ON BUILD_GRANTLEE=ON.

qt6-after/qt6-migrated-legatus/.forward-declarations/include/DDS/Generic/generic_logger.h

@@ -0,0 +1,84 @@
+#pragma once
+
+#ifdef BUILD_RTI
+// Real implementation with RTI NGL logger
+#include <NGLLogger/INGLLogger.h>
+#include <ddsgen_export.h>
+#include <string>
+
+namespace DDS
+{
+
+enum class DataType
+{
+  DATA_TYPE_UNKNOWN   = 0,
+
+  DATA_WRITER         = 1,
+  DATA_READER         = 2,
+
+  DYNAMIC_DATA_WRITER = 3,
+  DYNAMIC_DATA_READER = 4,
+
+  DATA_TOPIC_SERVER   = 8,
+  DATA_TOPIC_CLIENT   = 9,
+
+  FUNCTION_TOPIC_SERVER = 12,
+  FUNCTION_TOPIC_CLIENT = 13
+};
+
+using LOGGER_T = NGL::INGLLogger&;
+
+DDSGEN_EXPORT LOGGER_T getLogger(const char *name, DataType dt);
+inline LOGGER_T getLogger(const std::string &loggerName, DataType dt)
+{
+  return getLogger(loggerName.data(), dt);
+}
+
+} // namespace DDS
+#else
+// Stub header for BUILD_RTI=OFF
+#include <NGLLogger/INGLLogger.h>
+#include <ddsgen_export.h>
+#include <string>
+
+namespace DDS
+{
+
+// DataType enum - same as original, no RTI dependency
+enum class DataType
+{
+  DATA_TYPE_UNKNOWN   = 0,
+
+  DATA_WRITER         = 1,
+  DATA_READER         = 2,
+
+  DYNAMIC_DATA_WRITER = 3,
+  DYNAMIC_DATA_READER = 4,
+
+  DATA_TOPIC_SERVER   = 8,
+  DATA_TOPIC_CLIENT   = 9,
+
+  FUNCTION_TOPIC_SERVER = 12,
+  FUNCTION_TOPIC_CLIENT = 13
+};
+
+// Logger type alias
+using LOGGER_T = NGL::INGLLogger&;
+
+// Stub implementation for getLogger
+// Returns a dummy logger reference - in real usage, this would need proper initialization
+DDSGEN_EXPORT inline LOGGER_T getLogger(const char *name, DataType dt) {
+    // Stub: return a static dummy logger
+    // In production code with BUILD_RTI=OFF, this should be replaced with actual logger
+    static NGL::INGLLogger* dummy_logger = nullptr;
+    return *dummy_logger;
+}
+
+// Inline overload for std::string
+inline LOGGER_T getLogger(const std::string &loggerName, DataType dt)
+{
+  return getLogger(loggerName.data(), dt);
+}
+
+} // namespace DDS
+#endif