Design 51 keeps each holder's write side as an own secret beside a read-only tool token. The Go bundle wrote as the forge's administrator; it now reads with the tools' token (read:package added) and writes with the mesh-packages account's token (write:package alone), which the watcher makes, mints, keeps and renews. Claude-Session: https://claude.ai/code/session_01JG73KJNrH5EgFXMKKYSrig