- feat(ci): make main the stable release channel by @alandtse
- feat(ci): support hotfix-staging branches as ff_target source by @alandtse
- docs(claude): document release branch model by @alandtse
- ci(pr-checks): skip builds for release-only workflow changes by @alandtse
- ci(pr-checks): tighten build_ci to only PR-checkout-read files by @alandtse
- ci: address CodeRabbit nits on release/pr-checks workflows by @alandtse