Backend (git_repositories.py):
- get_repository_branches: check for .git dir OR HEAD file (handles bare repos)
- When local repo is missing, git ls-remote fallback now uses SSH key auth
via _prepare_ssh_env() for repos with ssh_key_id
- Cleans up temp SSH key file after ls-remote
- Logs ls-remote stderr/exit code for debugging
- Returns server's detail message instead of raw axios 404 text
Frontend (use-git-repo.ts):
- extractError() helper pulls server detail/message from axios responses
- User sees 'repository not found on disk — re-clone or re-create'
instead of generic 'Request failed with status code 404'
Quality gates: ruff clean, tsc --noEmit clean, 11 passed + 1 pre-existing failure
alex
d70b8e2363