Exercise 1: set:html Rendering Real HTML — Possible Solution
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SETUP
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A page row stored with:

  body: "<p>Regular text with <strong>bold emphasis</strong>.</p>"

// src/layouts/PageLayout.astro (relevant excerpt)
<h1>{page.title}</h1>
<div set:html={page.body} />

CONFIRMATION
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Viewing the rendered page in a browser shows "Regular text with bold
emphasis." with the word "emphasis" genuinely bold, and viewing the
page's own HTML source shows a real <strong> tag present in the DOM
- not the literal text "<strong>bold emphasis</strong>" printed on
the page.

WHY THIS WORKS AS AN ANSWER
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It correctly demonstrates that set:html inserts the stored string as
real, parsed HTML markup rather than as plain escaped text, matching
the chapter's own description of what the directive does.