Multiple instances registering with the same name may cause MxAccess to conflict on callback routing. ClientName is now configurable via appsettings.json, defaulting to a GUID-suffixed name if not set. Instances A and B use "LmxProxy-A" and "LmxProxy-B" respectively. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>