feat: Implement WordPress publishing and unpublishing actions

- Added conditional visibility for table actions based on content state (published/draft).
- Introduced `publishContent` and `unpublishContent` API functions for handling WordPress integration.
- Updated `Content` component to manage publish/unpublish actions with appropriate error handling and success notifications.
- Refactored `PostEditor` to remove deprecated SEO fields and consolidate taxonomy management.
- Enhanced `TablePageTemplate` to filter row actions based on visibility conditions.
- Updated backend API to support publishing and unpublishing content with proper status updates and external references.

backend/igny8_core/business/publishing/services/adapters/wordpress_adapter.py

@@ -56,12 +56,12 @@ class WordPressAdapter(BaseAdapter):
             if hasattr(content, 'title'):
                 # Content model instance
                 title = content.title
-                # Try different possible attribute names for content
-                content_html = getattr(content, 'html_content', None) or getattr(content, 'content', None) or ''
+                # Stage 1 schema: content_html is the primary field
+                content_html = getattr(content, 'content_html', '') or getattr(content, 'html_content', '') or getattr(content, 'content', '')
             elif isinstance(content, dict):
                 # Dict with content data
                 title = content.get('title', '')
-                content_html = content.get('html_content') or content.get('content', '')
+                content_html = content.get('content_html') or content.get('html_content') or content.get('content', '')
             else:
                 raise ValueError(f"Unsupported content type: {type(content)}")