## What kind of change does this PR introduce?
Restore preview image on ExpandableVideo trigger component.
## What is the current behavior?
<img width="1441" height="698" alt="Screenshot 2026-07-15 at 14 08 58"
src="https://github.com/user-attachments/assets/bdb1c4be-71a9-4601-b5c9-ab4fc97c48d1"
/>
<img width="1273" height="701" alt="Screenshot 2026-07-15 at 14 09 05"
src="https://github.com/user-attachments/assets/b8026bcc-3d43-4faa-873b-1745b32c166c"
/>
## What is the new behavior?
<img width="1434" height="678" alt="Screenshot 2026-07-15 at 14 08 53"
src="https://github.com/user-attachments/assets/8a3e64d1-5fe7-4ab9-a71b-3de5808d28b9"
/>
<img width="1160" height="672" alt="Screenshot 2026-07-15 at 14 08 48"
src="https://github.com/user-attachments/assets/db598a47-ed8e-435b-b3ef-8ae9e76761a2"
/>
---
Also fixed a border-b issue on the PartnerCatalogDetail.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Added thumbnail previews for partner catalog YouTube videos.
- Improved video preview presentation with clearer overlays and stronger
image blur.
- **Bug Fixes**
- Updated image loading support for YouTube thumbnail URLs.
- Refined sticky tab header spacing and alignment while scrolling.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
This adds a layer of indirection to fetch partner integration listings
for the marketing page from the new Marketplace DB, which will allow us
to maintain these listings via the same admin UI we're building for
in-app integration listings.
Fixes INT-102
This PR removes all CMS code from the `www` app. This includes fetching
of blog posts, API routes for proxying blog posts and types.
All functionality should remain the same (and the number of blog posts
should be the same).
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Chores**
* Removed CMS integration, APIs, preview/draft/revalidate endpoints,
related env vars and dependency; switched to static markdown-only blog
pipeline.
* **Refactor**
* Simplified image and author resolution, tightened component props to
static post shapes, and migrated imports to path aliases.
* **Documentation**
* Deleted CMS integration docs and rich-text conversion helpers.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
* show cms blog posts in www
* remove contentlayer from www
* outputFileTracingExcludes
* update remotePatterns
* fetch cms posts server-side with revalidation
* add cms env vars to turbo.json
* add www env vars to turbo.json
* include cms posts in www sitemap
* add migration to remove image from cms post
* update cms meta image mapping in www
