Release v0.6.39: isolate history UI and image clipboard memory

src/screenshot_main.cpp

@@ -50,6 +50,10 @@ int WINAPI wWinMain(HINSTANCE instance,HINSTANCE,PWSTR,int)
     std::wstring token;
     bool autoOpenEditor=false, writeLog=false;
     int argc{}; auto argv=CommandLineToArgvW(GetCommandLineW(),&argc);
+    if(argc==3 && std::wstring(argv[1])==L"--clipboard-snapshot") {
+        std::filesystem::path request=argv[2]; LocalFree(argv);
+        return ks::runClipboardSnapshot(request);
+    }
     if(argc==3 && (std::wstring(argv[1])==L"--capture-history" || std::wstring(argv[1])==L"--history-ocr")) {
         bool ocr=std::wstring(argv[1])==L"--history-ocr";
         std::filesystem::path request=argv[2]; LocalFree(argv);