fix(usage): price Claude fast-mode requests at the fast rate (#13599)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
e3e7cc3fc2Theo Browne committed on 9/25/2026, 7:58:13 AM· committed by GitHubparent86054b6
8 files changedLine totals unavailable