Authority model spec + remove willow-channel crate#142

intendednull merged 13 commits into

mainintendednull/willow:mainfrom

claude/docs-write-one-page-authority-spec-what-enforces-w-26LUmintendednull/willow:claude/docs-write-one-page-authority-spec-what-enforces-w-26LUmCopy head branch name to clipboard