fix: tool screenshots show as images, not base64 text (#16199)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
5eb8773087Theo Browne committed on 10/5/2026, 9:49:14 PM· committed by GitHubparent2a68a77
17 files changedLine totals unavailable