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On startup the app runs git config --global to set a commit identity (GIT_USER_NAME/GIT_USER_EMAIL), safe.directory=* for host-owned mounts, and http.<GITEA_URL>.extraheader with the Gitea token so push/fetch/pull authenticate over HTTPS without an SSH key. New git.CLI.SetGlobalConfig and config fields. Verified: fetch via the app works and the identity/header are set. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>