feat: translation flows, revision conflicts, delete scopes, article moves and a target site for new articles

docs/llm/recipe-articles.md

@@ -25,7 +25,7 @@ Status `201`:
 {"id":1,"title":"How we price a bathroom renovation","body":"A bathroom renovation is priced by room size, plumbing changes and finish level.","body_format":"markdown","is_online":false,"site_id":1,"authors":[],"created_at":"2026-10-23T01:11:16.767761797+02:00","updated_at":"2026-10-23T01:11:16.767761797+02:00","slug":"how-we-price-a-bathroom-renovation","excerpt":"","seo_title":"","seo_description":"","cover_image_id":null,"cover_image_alt":"","social_title":"","social_description":"","social_image_id":null,"canonical_url":"","noindex":false,"seo_dismissed":[]}
 ```
 
-The article starts offline (`is_online: false`) on the default site.
+The article starts offline (`is_online: false`) on the default site. To create it on another site, add `"site":"<site key>"` to the body (and optionally `"lang":"fr"`, an enabled language of that site); an unknown key answers `404 site_not_found`, and a language the chosen site does not enable answers `422 language_not_enabled`.
 
 ## 2. Replace the body, move it to a site, set the excerpt