rusholme

Rebase the current feature branch onto an updated main after an earlier stacked/standalone PR merged, resolving conflicts and validating before force-pushing.

Creates the scaffolding for a new project-local Claude Skill

Diagnose and fix a git commit hook (pre-commit, pre-push, etc.) that fails to exec even though the file exists and is executable — usually a stale /nix/store shebang path after a nix store gc.