1. install 
npm install -g clawhub

2. login
clawhub login

3. publish
clawhub publish ./clawhub/pref0 --slug pref0 --name "pref0" --version 1.0.1 --tags latest

4. update (bump version)
clawhub publish ./clawhub/pref0 --slug pref0 --name "pref0" --version 1.1.0 --changelog "Added /prompt endpoint"