port: UserInterface.cpp entry unit — ApplicationSetErrorString/StringTable_Initialize verbatim, Main ADAPTED to PythonBoot, Win32 entry N_A

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/platform/ScriptLib/PythonBoot.cpp

@@ -46,6 +46,7 @@
 #include "UserInterface/PythonApplication.h"
 #include "EterBase/Timer.h"
 #include "PythonBoot.h"
+#include "../UserInterface/UserInterface.h"
 #include "PythonHost.h"
 #include "../EterLib/UIRenderCommands.h"
 #include "../EterBase/LogBox.h"
@@ -714,6 +715,8 @@ bool Start(const char* stdlib_path, std::string* error)
 		});
 	#endif
 
+	// 40250 WinMain (UserInterface.cpp:524): ApplicationStringTable_Initialize(hInstance) before locale.cfg.
+	ApplicationStringTable_Initialize(NULL);
 	// 40250 Main (UserInterface.cpp:410): if (LocaleService_LoadGlobal(hInstance)) SetDefaultCodePage(...).
 	std::string locale_config = "locale.cfg";
 	if (const char* client = std::getenv("MT_40250_CLIENT"))