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  <!-- Homepage: Core Architecture Matrix -->
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    <loc>https://yrstack.com/</loc>
    <lastmod>2026-10-20</lastmod>
    <changefreq>weekly</changefreq>
    <priority>1.0</priority>
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      <image:title>YRSTACK Software Architecture and Creative Tech Studio</image:title>
      <image:caption>YRSTACK engineering banner and brand symbol</image:caption>
    </image:image>
  </url>

  <!-- Works Page: Production Archive & Live Demos -->
  <url>
    <loc>https://yrstack.com/works.html</loc>
    <lastmod>2026-10-20</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
    <image:image>
      <image:loc>https://yrstack.com/assets/preview_athena.jpg</image:loc>
      <image:title>YRSTACK Productions and WebGL 3D Showcases</image:title>
      <image:caption>Interactive client hero demonstrations and architectural prototypes</image:caption>
    </image:image>
  </url>

  <!-- Production Demo 01: Athena Haute Parfumerie -->
  <url>
    <loc>https://yrstack.com/demos/athena.html</loc>
    <lastmod>2026-10-20</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>

  <!-- Production Demo 02: Bloom Luxury Floral Atelier -->
  <url>
    <loc>https://yrstack.com/demos/bloom.html</loc>
    <lastmod>2026-10-20</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>

  <!-- Production Demo 03: Brandless Clothing Archive -->
  <url>
    <loc>https://yrstack.com/demos/clothing.html</loc>
    <lastmod>2026-10-20</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>

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