fix: single instance with lock file only

linux/CMakeLists.txt

@@ -108,8 +108,9 @@ install(CODE "
 set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
 set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
 
-install(FILES "../libcore/bin/lib/libcore.so" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
-  COMPONENT Runtime)
+# Libcore is copied by build script, not cmake
+# install(FILES "../libcore/bin/lib/libcore.so" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+#   COMPONENT Runtime)
 
 install(
   FILES "../libcore/bin/HiddifyCli" 

linux/my_application.cc

@@ -137,6 +137,6 @@ MyApplication *my_application_new()
 {
   return MY_APPLICATION(g_object_new(my_application_get_type(),
                                      "application-id", APPLICATION_ID,
-                                     "flags", G_APPLICATION_DEFAULT_FLAGS,
+                                     "flags", G_APPLICATION_NON_UNIQUE,
                                      nullptr));
 }