connect-decoder, add-drivers-cars, create-race, and run-a-session join the 3 existing
tab-focused clips, so the video guides now cover the actual first-run path a new user
hits, not just this session's UI restructuring.
record-video-guides.mjs gained a prepare() hook (for clips needing a live dependency,
like a fake decoder socket, before the app is seeded) and a clickNav() helper that
exercises the app's real client-side navigation instead of a full page reload, so
switching views in a clip looks like the smooth transition a real user sees.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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