fix: update Anthropic model metadata for claude-opus-4-1 and claude-opus-4-6-20260205#689

Erin McNulty (erin2722) merged 1 commit into

mainbraintrustdata/braintrust-proxy:mainfrom

chore/autofix-issue-683braintrustdata/braintrust-proxy:chore/autofix-issue-683Copy head branch name to clipboard