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Set user.email = iam@emmathe.dev on the personal hosts (mkDefault, so the work module's address still wins on the work box). Add git aliases for commitizen -- `git cz <sub>` (e.g. `git cz c`) and `git cc` for the commit prompt; commitizen is already installed on every host (home.packages) and defaults to the Conventional Commits ruleset. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>