- Move articles to /blog and content/blog, keeping the listing design
- Publish "Industry standard is not the same as good" with its cover
- Center the post layout with a two-line title, divider, and new back arrow
- Preview linked X posts in a hover card built from build-time post data
- Add a Sveltia CMS editor at /admin for writing posts and uploading images

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>