blog: add AI overcooking collaboration post

[samwillis]

Summary

• add a new blog post on "AI overcooks artifacts and undercooks collaboration"
• move the post publish date to March 27 via filename-based slug/date
• add the new hero image asset used by the post

Test plan

• confirm the post file is present at website/blog/posts/2026-03-27-ai-overcooks-artifacts-and-undercooks-collaboration.md
• confirm frontmatter references /img/blog/ai-overcooks-artifacts-and-undercooks-collaboration/hero.jpg
• confirm hero image exists at website/public/img/blog/ai-overcooks-artifacts-and-undercooks-collaboration/hero.jpg
• preview the website blog page and verify render/crop in listing and post view

Made with Cursor

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