Package optional TUTORIAL/DEMO/CHANGELOG into skill ZIPs and sync tutorial_md, demo_md, demo_video_url, and versioned changelog to the marketplace API.
Co-authored-by: Cursor <cursoragent@cursor.com>
Remove .postN CI versioning, fix runtime version_ge for legacy post releases, and use ASCII issue separators in health output.
Co-authored-by: Cursor <cursoragent@cursor.com>