Two frames added to design/git-history.pen:
- "Git History — Commit List": shows inspector panel with clickable
hashes (primary color, underlined), relative dates, commit messages,
and author name (muted, small) on each commit row
- "Git History — Diff Open": shows diff view with breadcrumb bar
displaying file path and commit badge, plus colored diff lines
(red for removed, green for added)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>