Fix llms.txt: recent articles from blog.json, correct JSON Blog description

lib/generate_llms_txt.py

@@ -28,21 +28,35 @@ def get_tags_and_categories(output_dir):
 
 
 def get_recent_articles(output_dir, limit=20):
-    """Get list of recent articles from output directory."""
+    """Get list of recent articles from blog.json (sorted by date)."""
+    output_path = Path(output_dir)
+    blog_json = output_path / 'blog.json'
+
+    if blog_json.exists():
+        try:
+            data = json.loads(blog_json.read_text())
+            posts = data.get('posts', [])
+            # Already sorted by date in blog.json, just get slugs
+            return [post['slug'] for post in posts[:limit]]
+        except (json.JSONDecodeError, KeyError):
+            pass
+
+    # Fallback: sort by file modification time
     output_path = Path(output_dir)
     articles = []
 
-    # Find all index.html files that look like articles (have dates in parent dir name)
     for index_file in output_path.glob('*/index.html'):
         dirname = index_file.parent.name
-        # Skip non-article directories
         if dirname in ('tags', 'category', 'author', 'uploads', 'feeds', 'about', 'archives'):
             continue
-        if dirname.startswith('20'):  # Date-prefixed directories (cover letters, etc.)
+        if dirname.startswith('20'):
             continue
-        articles.append(dirname)
+        mtime = index_file.stat().st_mtime
+        articles.append((mtime, dirname))
 
-    return sorted(articles)[:limit]
+    # Sort by modification time, newest first
+    articles.sort(reverse=True)
+    return [name for _, name in articles[:limit]]
 
 
 def generate_llms_txt(output_dir, site_url='https://russell.ballestrini.net'):
@@ -76,7 +90,7 @@ def generate_llms_txt(output_dir, site_url='https://russell.ballestrini.net'):
 ### JSON Blog (jsonblog.dev)
 - URL: {site_url}/blog.json
 - Format: JSON Blog
-- Description: **Entire blog in one file** - all posts with plain text content
+- Description: **Entire blog in one file** - all posts with content_url links to index-slim.md (Markdown)
 
 ## Content Formats