Agent and -Xshare:off both ruled out as causes.
Restored normal agent injection. Updated docs with
complete findings — issue remains unsolved.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Disables JVM Class Data Sharing when DualAuth agent is active.
May fix singleplayer crash (NoClassDefFoundError: fastutil) on some Windows systems
where appendToBootstrapClassLoaderSearch breaks CDS classloading.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>