Add Knapsack podcast episode post

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: GarthDB

_includes/podcast.html

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+{% if include.width %}{% assign width = include.width %}{% else %}{% assign width = "100%" %}{% endif %}
+{% if include.height %}{% assign height = include.height %}{% else %}{% assign height = "200" %}{% endif %}
+<div class="video-wrapper podcast-embed">
+  <iframe title="Podcast player" width="{{ width }}" height="{{ height }}" src="{{ include.url }}" frameborder="0" allowfullscreen></iframe>
+  <p class="podcast-fallback"><a href="{{ include.url }}">Listen on Knapsack</a></p>
+</div>

_posts/2025-05-27-knapsack-podcast.md

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+---
+title: Knapsack Podcast: Design Tokens, Governance, and Scaling Spectrum
+date: 2025-05-27 00:00:00 Z
+categories:
+  - talks
+layout: header-image-post
+eventdate: May 27, 2025
+location: Remote
+eventurl: https://www.knapsack.cloud/blog/garth-braithwaite-on-design-tokens-governance-and-scaling-spectrum-at-adobe
+headerimg: "/img/design-systems-podcast.webp"
+---
+
+# The Design Systems Podcast
+
+I joined the Knapsack team for a podcast conversation on design tokens, governance, and what it's taken to scale Spectrum design data at Adobe.
+
+We talked about treating design decisions as structured data, where governance actually belongs, and the kinds of constraints that only show up once a system reaches real organizational scale.
+
+The discussion draws directly from my work on Spectrum design tokens, release processes, and long-term stewardship of design data.
+
+{% include podcast.html url="https://www.knapsack.cloud/blog/garth-braithwaite-on-design-tokens-governance-and-scaling-spectrum-at-adobe" %}
+
+[Listen to the full episode and read the transcript on Knapsack](https://www.knapsack.cloud/blog/garth-braithwaite-on-design-tokens-governance-and-scaling-spectrum-at-adobe).