Mirrors -adduser: prompts for a new passphrase (min 8 chars) or reads TRACKER_PASSWORD, hashes with bcrypt, and updates the stored hash. Returns an error if the user does not exist.
Mirrors -adduser: prompts for a new passphrase (min 8 chars) or reads TRACKER_PASSWORD, hashes with bcrypt, and updates the stored hash. Returns an error if the user does not exist.