- NC1_KEY points to /opt/mod-builds/ffg_build_rsa (accessible to claude user) - Added -o IdentitiesOnly=yes to all SSH/rsync calls (prevents agent key conflicts) - Added -e NC1_SSH to rsync commands for consistent key usage - All 3 discord-rules jars now built successfully (1.20.1, 1.16.5, 1.21.1)