🗓️ Accessible, understandable meeting info

[JFWooten4]

This just continues our brief conversation from #2434 (comment) to localize relevant information into viewable elements which are also read by the screen reader. The title content suggested by AI does not show on tooltip, however, so it creates a sort of shadow data, a little bit like the i18n pages from #2410. This PR keeps it all self-explanatory with a proper title for the first time in a while, which makes sense from an SEO view since people generally search for meeting content rather than the date. Moreover, the page slug and sidebar both show this same date, so we do not lose any information or searchability.

Warning

Relies on #2361 for the controls

[Copilot]

Pull request overview

Updates the 2026-05-07 meeting notes page to use the shared YouTube embed component and to use a descriptive, topic-focused page title (rather than the meeting date), aiming to improve accessibility/SEO and keep meeting metadata visible/understandable in the rendered page.

Changes:

• Replace the inline YouTube <iframe> embed with the shared @site/src/components/YouTube component.
• Update the frontmatter title from the date (2026-05-07) to a topic-based title.

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[JFWooten4]

The current title is also not descriptive. It repeats information in the starting meta which will be read now that this page title uses the MPP descriptor suggested. This would just repeat the same info.

[JFWooten4]

Oh, that's kind of interesting, can it not cross-ref in the repo? PRs show up as #plaintext

[ElliotFriend]

Thanks — closing this one because events overtook it: #2361 merged today and already converted this file's iframe to the shared <YouTube> component, which was the substantive improvement here.

What remains in this diff is retitling the note from "2026-05-07" to "Machine Payments Protocol Deep Dive". I'm declining that for now: every meeting note currently uses the date-title convention, and a one-off exception makes the series inconsistent. If we decide topic-based titles are better (there's a real argument!), we should change the convention repo-wide in one pass — feel free to open an issue making that case.