- Add published_date field to ArticlePage with auto-populate from
first_published_at on first publish, plus data migration backfill
- Surface go_live_at/expire_at scheduling fields in editor panels
- Reorganise ArticlePage editor with TabbedInterface (Content,
Metadata, Publishing, SEO tabs)
- Add Articles PageListingViewSet to admin menu with custom columns
(author, category, published date, status) and category/author filters
- Add Articles summary dashboard panel showing drafts, scheduled,
and recently published articles
- Update all front-end queries and RSS feeds to use published_date
- Add 10 unit tests and 4 E2E tests for new admin features
Closes#39
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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