DL-258

Client install channels are homebrew (RigelBuild/homebrew-tap: cask for the macOS app + a cross-OS CLI formula, semver-bumped by the release workflow) and a repo flake.nix (client + stack packages pinned to the devenv.lock nixpkgs), over the raw release assets; distro-native packages (deb/rpm/AUR) deferred

Status: Active (Matt, 2026-08-24)