Plan step 38 review: ShowcaseController::layout() passes a title
("List-detail · Layout"), but the frame overwrote it with the section's
own, so all three pages and the Layout overview shared one title. The
frame keeps a title it was given; the layout page test asserts each.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9