auth: say 'login server' not 'core' in two more user-facing errors
Commit
toothbrush3mo ago
repo-token exchange hint and git-remote-entire's trust-gate error both surfaced the internal 'core' term; reword to 'login server' and update the trust-gate test assertion.
Co-Authored-By: Claude Opus 4.8 (1M context) noreply@anthropic.com Entire-Checkpoint: c7e0df0e441f